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Charger inductively coupled to cell or battery

Subclass of:

320 - Electricity: battery or capacitor charging or discharging

320107000 - CELL OR BATTERY CHARGER STRUCTURE

Patent class list (only not empty are listed)

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DocumentTitleDate
20130069586WIRELESS POWER TRANSMITTING APPARATUS AND METHOD THEREOF - Disclosed herein are a wireless power transmitting apparatus and method of wirelessly transmitting a power to a power receiving apparatus by selectively using one central coil and two side coils, wherein in the case in which each of the one central coil and the two side coils transmits the power, a reception power amount received by the power receiving apparatus is judged, at least one of the one central coil and the two side coils is selected as a power transmitting coil that is to transmit the power by the judged reception power amount, and the power is wirelessly transmitted to the power receiving apparatus through the selected power transmitting coil.03-21-2013
20130069585CONTACTLESS POWER FEEDING SYSTEM - The contactless power feeding system includes a power transmitting device including an AC power source, a power transmitting element transmitting an AC power and a first microprocessor generating a transmission signal, and a power receiving device including a power receiving element receiving the AC power, a rectifier circuit, a smoothing circuit, a voltage conversion circuit, a second microprocessor generating a response signal in accordance with the transmission signal, a charge control circuit changing a charging rate for a power storage device in accordance with the response signal and the power storage device whose charging is controlled by the charge control circuit. Then, a resistance value of the power storage device changes, an impedance changes, and a modulation signal is generated. The generated modulation signal is transmitted from the power receiving device to the power transmitting device and is processed by the first microprocessor.03-21-2013
20130026981DUAL MODE WIRELESS POWER - A dual mode wireless power module for a device includes a wireless transceiver and a wireless power transceiver circuit. The wireless transceiver circuit is operable to communicate peripheral power information indicating a wireless power configuration. The wireless power transceiver circuit is operable to determine, based upon the power information, a power status of another device identified by the peripheral power information. When the power status of the another device is favorable, the wireless power transceiver circuit is placed in a wireless power receive mode in which the wireless power transceiver circuit converts wireless power into a voltage. When the power status of the another device is unfavorable, the wireless power transceiver circuit is placed in a wireless power transmit mode in which the wireless power transceiver circuit converts a power source of the device into the wireless power.01-31-2013
20120200255Semiconductor Device - A semiconductor device which can operate normally even when the communication distance is extremely short, and which stores excess electric power which is not needed for circuit operation of the semiconductor device when a large amount of electric power is supplied thereto. The following are included: an antenna; a first AC/DC converter circuit which is connected to the antenna; a second AC/DC converter circuit which is connected to the antenna through a switching element; a detecting circuit which controls operation of the switching element in accordance with the value of a voltage output from the first AC/DC converter circuit; and a battery which stores electric power supplied from the antenna through the second AC/DC converter circuit. When the switching element is operated, electric power supplied from outside is at least partly supplied to the battery through the second AC/DC converter circuit.08-09-2012
20130026983BATTERY PACK - The battery pack includes a rechargeable battery cell, an energized coil, a temperature detector, a switch, a controller, power supply terminals, and a temperature terminal. The coil can be electromagnetically connected to an energizing coil of a charger. The detector detects the cell temperature. The switch is serially connected to the detector. The controller controls ON/OFF of the switch. The pack can be electrically connected through the terminals to a battery-driven device. The cell can be charged/discharged through the power supply terminals. The temperature terminal is connected to the detector. The controller is connected to the temperature terminal. When the pack is charged by the charger in the non-contact charging manner, the switch is turned OFF so that the pack can communicate with the device through the temperature terminal.01-31-2013
20130026984BATTERY PACK, BATTERY POWERED DEVICE, AND CONTACTLESS CHARGING METHOD - The battery pack has a contactless charging circuit 01-31-2013
20130026982WIRELESS BATTERY CHARGING DEVICE, METHOD AND SYSTEM - A battery charging device, method and system are disclosed for wirelessly charging a battery. A transmitter can transmit an RF wireless power signal to a battery charging device, and a receiver within the battery charging device can receive the RF wireless power signal. The battery charging device can thereafter transfer the received RF wireless power signal to a battery receiving portion to charge the battery. In an embodiment, the RF wireless power signal is transferred at a frequency of about 13.56 MHz to overcome wave shadowing. A battery recharging feedback control circuit can optionally be applied in combination with the battery charging device and can monitor a power quantity of the RF wireless power signal.01-31-2013
20120161697MOBILE TERMINAL - A mobile terminal is provided that includes a body to be mountable to a first charging apparatus, a current generator to generate an induction current by using a current of the first charging apparatus, and a wireless charger between the current generator and the battery to charge the battery by converting the induction current into a direct current. The mobile terminal may also include a connection port to be electrically connected to the battery and being connectable to a power supply terminal of a second charging apparatus, and a power charging controller to disconnect an electrically connected status between the wireless charger and the battery when the power supply terminal is electrically connected to the connection port.06-28-2012
20100171461WIRELESS CHARGING SYSTEM WITH DEVICE POWER COMPLIANCE - A method of controlling an inductive charging system on those occasions in which the combined power requests of a plurality of secondary devices exceed the power capacity of the power supply. The method includes at least one of (a) powering each device at a level below its requested level, (b) powering each device sequentially, and/or (c) powering each device in a repetitive pattern (e.g. time multiplexing). Also disclosed is a method of controlling an inductive charging system at least partially as a function of information received from the power management unit (PMU) of each secondary device.07-08-2010
20120169279CONTACTLESS CHARGING APPARATUS, CONTACTLESS CHARGING BATTERY APPARATUS, AND CONTACTLESS CHARGING SYSTEM INCLUDING SAME - Provided are a contactless charging apparatus, a contactless charging battery apparatus, and a contactless charging system including same. According to one embodiment of the present invention, a contactless charging apparatus for charging a contactless charging battery apparatus comprises: a first coil unit including a plurality of coils; a charge control unit for determining a charging power corresponding to the contactless charging battery apparatus; and a power distribution unit for selecting one or more coils from the plurality of coils in accordance with the charging power, wherein the charging power is the power required for charging the contactless charging battery apparatus.07-05-2012
20110187320WIRELESS CHARGING APPARATUS AND WIRELESS CHARGING SYSTEM - Disclosed herein is a wireless electrical charging apparatus, including: a power-supply unit configured to generate power to be transferred to a power receiving apparatus; a power transferring device configured to transfer power generated by the power-supply unit to the power receiving apparatus; a power relaying device capable of relaying power transferred by the power transferring device to the power receiving apparatus; and a power-relaying-device moving mechanism section configured to move the power relaying device.08-04-2011
20080258681IMPLEMENT RACK AND SYSTEM FOR ENERGIZING IMPLEMENTS - An inductive charging rack for providing electrical power to an implement includes a back, an inductive primary attached to the back, and a hanger for holding the implement. The rack may include a control for energizing the inductive primary and a transceiver for providing communication to and from the implement. The inductive primary could be attached to the surface of the charging rack or it could be incorporated within the rack.10-23-2008
20110193520Moving Object, Wireless Power Feeding System, and Wireless Power Feeding Method - An object is to provide a moving object structure capable of reducing power loss caused when power is supplied from a power feeding device to a moving object by wireless communication. Another object is to provide a moving object structure capable of reducing the strength of a radio wave radiated to the surroundings. Before power is supplied to a moving object, a radio wave for alignment of antennas is output from a power feeding device. That is, radio waves are output from a power feeding device in two stages. In a first stage, a radio wave is output to align positions of antennas of the power feeding device and the moving object. In a second stage, a radio wave is output to supply power from the power feeding device to the moving object.08-11-2011
20130038279WIRELESS BATTERY CHARGING APPARATUS MOUNTED IN A VEHCLE DESIGNED TO REDUCE ELECTROMAGNETIC INTERFERENCE - A vehicle is provided having a wireless battery charger that is mounted within the vehicle, and an electrostatic shield for reducing electromagnetic interference radiated by the wireless battery charger.02-14-2013
20100117596WIRELESS HIGH POWER TRANSFER UNDER REGULATORY CONSTRAINTS - Improved battery-charging system for a vehicle. Primary and secondary coils are located in places where the vehicle can receive power from the primary coil by pulling into a parking space, for example. The parking space may have a coil embedded in the ground, or may have an array of coils embedded in the ground. A guidance system is disclosed. Fine positioning is also disclosed. The secondary coil in the vehicle can also be raised or lowered to improve coupling.05-13-2010
20090121677POWER RECEIVING DEVICE, AND ELECTRONIC APPARATUS AND NON-CONTACT CHARGING SYSTEM USING THE SAME - An electronic apparatus (05-14-2009
20090121676Charging System for Enhancing Convenience - A charging system for enhancing convenience includes a charging device for generating an electromagnetic wave signal, and a rechargeable device installed in a portable electronic device for receiving the electromagnetic wave signal through electromagnetic induction, so as to perform recharging.05-14-2009
20100072946MOTOR-DRIVEN TRAVELLING BODY AND HIGH-SPEED CHARGE METHOD FOR MOTOR-DRIVEN TRAVELLING BODY - An electrically-driven mobile body which can be given a boosting charge with electric power supplied by a single power supply apparatus together with other electrically-driven mobile bodies having different charging conditions and which can cool a charging system thereof without any coolant from the outside, as well as a boosting charge method for an electrically-driven mobile body for the same purpose.03-25-2010
20130207600POWER GENERATOR DEVICE AND PORTABLE ELECTRONIC DEVICE EMPLOYING THE SAME - A power generator device for a portable electronic device includes a main body, a magnet, and a winding. The main body defines a receiving space therein. The magnet is received in the receiving space, and is capable of sliding in the receiving space. The winding is coiled on the main body. When the magnet slides in the receiving space, the winding cuts magnetic force lines of the magnet, and induction current is generated in the winding to charge a rechargeable battery of the portable electronic device.08-15-2013
20130076306WIRELESS POWER TRANSMISSION SYSTEM - Disclosed herein is a wireless power transmission system, including a transmitting unit generating and transmitting power for charging a battery; a receiving unit receiving transmitted power and charging the battery with power; and a transmission control unit controlling a magnetic induction method and a magnetic resonance method to be selectively used according to a distance between the transmitting unit and the receiving unit when the transmitting unit transmits power.03-28-2013
20130076308ARRANGEMENT FOR A CHARGER - The invention relates to an indication device, comprising means for receiving magnetic energy and means for transforming said received magnetic energy into light.03-28-2013
20130076307Surgical Sterilizer with Integrated Battery Charging Device - A device for sterilizing and charging a battery of an instrument, comprising a sterilization device sealingly enclosing therein at least one battery of an instrument and operable to sterilize the at least one battery, an inductively powered battery-charging device disposed inside the sterilization device and having a charger operable to be placed in conductive contact with and charge the at least one battery and a power receiver sub-assembly electrically coupled to the charger and operable to receive electrical power inductively from outside the sterilization device and supply the received electrical power to the charger to charge the battery during sterilization, and a power supply disposed outside the sterilization device and operable to supply power inductively to the power receiver sub-assembly through the sterilization device.03-28-2013
20130076305WIRELESS CHARGER SYSTEM WITH RADIO CONTROLLED CLOCK - A wireless charger system comprising a wireless charger and a remote device wireless connected to the wireless charger is disclosed. The wireless charger emits a charging signal at a first frequency range. The remote device receives a radio-controlled clock signal at a second frequency range, and modulates the radio-controlled clock signal via a carrier frequency to a modulated radio-controlled clock signal at a third frequency range. The modulated radio-controlled clock signal does not interfere with the charging signal, allowing the remote device to send the modulated radio-controlled clock signal to the wireless charger for display. An alternate wireless charger system comprising a wireless charger and an indoor temperature sensor is also disclosed.03-28-2013
20130082650WIRELESS CHARGING SYSTEM - Disclosed herein is a wireless charging system that includes a transmission device including a primary coil and a reception device including a secondary coil, wherein the transmission device determines the presence or absence of the reception device upon receiving the remaining amount of current supplied from the primary coil to the secondary coil, and controls a voltage input to the primary coil based on the determination results. The wireless charging system can generate a sensing signal for determining the presence and absence of the reception device by measuring the amount of current applied from the transmitter coil to the receiver coil through the detection unit. Thus, the receiver controller of the wireless charging system can accurately determine whether to transmit power by comparing the sensing signal provided from the detection unit with a reference signal, thus reducing power consumption.04-04-2013
20130082649WIRELESS CHARGING SYSTEM - Disclosed herein is a wireless charging system that includes a transmission device including a primary coil and a reception device including a secondary coil, wherein the transmission device detects an input signal provided from the primary coil to generate an output signal in the form of a pulse, and compares the level of the generated output signal with a reference voltage to generate a detection signal for determining the presence or absence of the reception device. The wireless charging system does not require an analog-to-digital converter (ADC), eliminating the necessity of using an ADC chip or a high-priced control circuit including an ADC block, thus reducing a material cost of the system. In addition, since the wireless charging system does not require a software algorithm for processing an ADC signal, the performance can be improved.04-04-2013
20130088193WIRELESS CHARGER WITH POSITION-GUIDING MECHANISM - A wireless charger includes a wireless charging body, a carrier and an elastic element. The wireless charging body has a track. The carrier includes an extension part, which is movably disposed on the track. The elastic element is connected with the carrier for providing a pulling force to the carrier, so that the carrier is maintained at an initial position. When an electronic device is held by the carrier, the carrier is moved from the initial position to a charging position along the track in response to a gravity force of the electronic device, so that a receiver coil of the electronic device is aligned with a transmitter coil of the wireless charging body. When the electronic device is not held by the carrier, the carrier is returned to the initial position in response to the pulling force.04-11-2013
20130088192WIRELESS CHARGING AND COMMUNICATION WITH POWER SOURCE DEVICES AND POWER CHARGE DEVICES IN A COMMUNICATION SYSTEM - A power source device and a power charge device interoperate according to a wireless charging protocol. The power source device inductively wirelessly transmits charging energy signal via an inductive wireless power transmitting circuit. The power charge device wirelessly receives the inductively wirelessly transmitted charging energy signal via an inductive wireless power receiving circuit. The power charge device transfers wirelessly received charging energy signal to a re-chargeable battery of the power charge device. In response to determining that the power source device and the power charge device are in a charging arrangement, the power source device controls user access to a lockable user interface based on receiving information from the power charge device and can display messages received by the power charge device from a wireless communication network. The power source device can include a personal computing system and the power charge device can include a mobile phone.04-11-2013
20130088191SYSTEM AND METHOD FOR WIRELESSLY CHARGING A RECHARGEABLE BATTERY - A wireless charging system having a battery with at least one cell, a receiving coil wrapped around the at least one cell and a charger having a transmitting field designed to couple with the receiving coil of the battery. A battery is further described having at least one cell and having a receiving coil wrapped around at least one cell.04-11-2013
20130033228METHOD AND APPARATUS FOR INDUCTIVELY TRANSFERRING AC POWER BETWEEN A CHARGING UNIT AND A VEHICLE - An inductive charging system for vehicle battery chargers includes a transformer having a stationary primary coil and a secondary coil mounted on the vehicle. The primary coil is mounted in a charging station and has a power source connected therewith. When the vehicle is parked adjacent to the charging station, the secondary coil on the vehicle is proximate to the primary coil in the station. The power source is activated to deliver current to the primary coil which generates a magnetic field to induce a voltage in the secondary coil. A controller is connected with the power source to adjust the voltage delivered to the primary coil. A feedback loop between the secondary coil and the controller delivers a secondary voltage signal to the controller which continuously adjusts the power source in order to maintain the secondary output voltage at a predetermined value.02-07-2013
20130033227EXTENDABLE AND DEFORMABLE CHARGING SYSTEM - A subsurface mounted inductive charging coil system for electric vehicles accommodates the gap distance between primary charging coil and secondary coil on the vehicle with an extendable primary coil carrier. The system protects the primary coil when exposed by mounting on a deformable and elastic structure. By keeping the primary coil normally hidden in a deformable and elastic structure several advantages are obtained. The extendable structure is preferably a low pressure inflatable bladder or membrane in the floor for carrying, protecting, and extending the primary coil.02-07-2013
20100045231Method and System for Powering an Electronic Device - Methods and apparatus for providing a power supply to a device, including an inductive rechargeable power supply for a data monitoring and management system in which a high frequency magnetic field is generated to provide power supply to a rechargeable power source such as a battery of a transmitter unit in the data monitoring and management system are provided.02-25-2010
20130043833INDUCTIVELY CHARGEABLE POWER PACK - An inductively enabled power pack charging system and method includes an integrated circuit for controlling inductive transfer of power to the power pack and managing communication with an external power source. The system may further include an electrochemical cell for storing energy received from the external power supply and magnetic shielding material for guiding magnetic flux away from the electrochemical cell.02-21-2013
20130043836Inductive Battery Charger System with Primary Transformer Windings Formed in a Multi-Layer Structure - There is provided a power system designed to enable electronic devices to be powered. The system includes a planar surface on which a device to be powered is placed. Within the power system and substantially parallel to the planar surface are multiple primary transformer windings formed in a multi-layer structure that couple energy inductively to a secondary winding formed in the device to be powered. A winding of a second layer is offset relative to a winding of a first layer.02-21-2013
20130043835APPARATUS AND METHOD FOR NON-CONTACT RECHARGING AND NEAR FIELD COMMUNICATION IN A PORTABLE ELECTRONIC DEVICE - Apparatus and methods in a near field communication capable electronic device are disclosed. An antenna receives a near field signal from a recharging pad or a reader to provide a reception signal. A detector coupled to the antenna receives the reception signal and detects therefrom a voltage, current or power value representing a power level of the near field signal. A switch is coupled to the detector, and switches the reception signal corresponding to the recharging pad or the reader to a recharging transceiver to recharge a battery, or to a near field communication transceiver, respectively, on the basis of the detected voltage. A Hall-effect type magnetic sensor may be used as an alternative to the detector.02-21-2013
20130043837INFORMATION PROCESSING APPARATUS, PROGRAM, AND INFORMATION PROCESSING SYSTEM - An information processing apparatus includes an antenna having a variable Q value, the antenna being used for performing communication with an external apparatus in a noncontact manner by using a carrier of a predetermined frequency and charging a battery in a noncontact manner by using the carrier, an obtaining unit configured to obtain information about charging of the battery, a determining unit configured to determine whether charging of the battery is to be performed or not on the basis of the information obtained by the obtaining unit, and a setting unit configured to selectively set the Q value of the antenna to a first value or a second value in accordance with a determination result generated by the determining unit, the second value being larger than the first value.02-21-2013
20130043834Surgical Sterilizer With Integrated Battery Charging Device - A device for charging at least one rechargeable battery of a battery-operated surgical instrument that comprises a sealed container operable to enclose and create a microbial seal around the battery. The sealed container permits surgical sterilization and inductive charging of the battery while the battery is enclosed therein. The device further comprises an inductive charging assembly having a power receiver sub-assembly inside the sealed container and electrically coupled to the battery whereby the power receiver sub-assembly is operable to receive electrical power inductively from outside the sealed container and to charge the battery electrically coupled to the power receiver sub-assembly. A power supply is disposed outside the sealed container and supplies power inductively to the power receiver sub-assembly through the sealed container such that the sealed container is not structurally breached.02-21-2013
20120206096SYSTEMS AND METHODS FOR WIRELESS POWER - The present invention is a wireless power system which includes components which can be recharged by harvesting wireless power, wireless power transmitters for transmitting the power, and devices which are powered from the components. Features such as temperature monitoring, tiered network protocols including both data and power communication, and power management strategies related to both charging and non-charging operations, are used to improve performance of the wireless network. Rechargeable batteries which are configured to be recharged using wireless power have unique components specifically tailored for recharging operations rather than for providing power to a device. A wireless power supply for powering implanted devices benefits from an external patient controller which contains features for adjusting both power transmission and harvesting provided by other components of the wireless power network.08-16-2012
20130038277INDUCTIVE CHARGING METHOD FOR VEHICLES - The present invention relates to an inductive charging method for vehicles, in which the PS device uses a first frequency converter PS module to detect the PR device. The PS microprocessor can compare ID codes of the PR device and check power receiving status data codes. When finding incorrect power supply, the PS microprocessor will mark it and make other first frequency converter PS modules to cut off power supply through the signal control circuit, and even adjust output power based on power status data codes from the PR device. As total voltage of the PR module is increased by series connection, it is not necessary to use components of high-voltage specifications and water cannot go into sockets, thus preventing electricity leakage. Besides, no wired connection is required and operations concerning identification, stored value or deductions can be carried out.02-14-2013
20130038278PORTABLE TERMINAL HAVING A WIRELESS CHARGER COIL AND AN ANTENNA ELEMENT ON THE SAME PLANE - A portable terminal having a wireless charger coil and an antenna element on the same plane is provided, in which a shielding member is attached to an inner surface of an external part, a first coil is attached to one surface of the shielding member, facing the inner surface of the external part, and a second coil is attached to the one surface of the shielding member, surrounding the first coil on the same plane.02-14-2013
20130038276SECONDARY COIL STRUCTURE OF INDUCTIVE CHARGING SYSTEM FOR ELECTRIC VEHICLES - A secondary coil structure for an electric vehicle charging system is characterized by a flexible sheet of synthetic plastic material which acts as a substrate for a coil connected with the top surface of the sheet. The coil has an axis generally normal to the sheet. A second sheet of material is connected with the first sheet with the coil arranged between the sheets. The secondary coil may be configured to match the configuration of a component of the vehicle with which the secondary coil is connected. When electric current is introduces into the coil, the coil generates an elongated magnetic field with a lower maximum value in the vicinity of the vehicle components than that created by a conventionally wound coil, thereby minimizing heat generated in steel components of the vehicle body.02-14-2013
20130038281COIL UNIT, NON-CONTACT POWER TRANSMISSION DEVICE, NON-CONTACT POWER RECEPTION DEVICE, NON-CONTACT POWER SUPPLY SYSTEM, AND VEHICLE - A coil unit performs at least one of transmission and reception of electric power using electromagnetic resonance between the coil unit and a primary resonance coil disposed to face the coil unit. The coil unit includes a secondary resonance coil that includes a plurality of coils, and that electromagnetically resonates with the primary resonance coil. A first coil among the plurality of coils is disposed in a manner such that a magnetic field generated by the first coil has a phase opposite to a phase of a magnetic field generated by at least one coil other than the first coil among the plurality of coils, with respect to a plane that faces the primary resonance coil.02-14-2013
20130038282POWER RECEPTION APPARATUS AND POWER RECEIVING METHOD - A power reception apparatus includes a plurality of power extraction coils that extract power from a coil being a power supply source, a switch that selects one of the plurality of the power extraction coils and connects the selected power extraction coil to a battery, and a controller that senses a charging state of the battery and changes over the switch. The plurality of the power extraction coils are different from each other in terms of a diameter, the number of turns, or a distance from the coil being the power supply source.02-14-2013
20130082652WIRELESS POWER TRANSMITTING APPARATUS AND METHOD - Disclosed herein is a wireless power transmitting apparatus and method of wirelessly a power sequentially to a plurality of power receiving apparatuses. According to the wireless power transmitting apparatus and method, a power is wirelessly transmitted through a plurality of power transmitting coils, and a power transmitting control unit performs a control to allocate priorities to the plurality of power receiving apparatuses charged with the power transmitted by the power transmitting coils by judging whether or not the plurality of power receiving apparatuses have been mounted in portable terminals and charged states of the plurality of power receiving apparatuses in the case in which the number of power receiving apparatuses is plural and sequentially transmit the power to the plurality of power receiving apparatuses according to the allocated priorities to charge the power in the plurality of power receiving apparatuses.04-04-2013
20130082653WIRELESS POWER MULTI-CHARGING METHOD AND POWER TRANSMITTER - A wireless multi-charging method of a power transmitter that wirelessly transmits power includes sensing a first power receiver, increasing a transmission power required for charging the first power receiver, sensing a second power receiver, decreasing the transmission power required for suspending charging of the first power receiver, and increasing the transmission power required for simultaneously charging both the first power receiver and the second power receiver.04-04-2013
20130082651APPARATUS AND METHOD FOR WIRELESS CHARGING - Methods and apparatus are provided for wireless charging. Wireless power is supplied by a wireless power supply apparatus and is received at a wireless power reception apparatus. Wireless charging is performed by the wireless power reception apparatus. It is determined whether a human body is approaching while the wireless power reception power apparatus is receiving the wireless power. The wireless charging is interrupted, when it is determined that the human body is approaching.04-04-2013
20130082648POWER RECEIVING DEVICE AND CONTACTLESS POWER FEEDING SYSTEM - A power receiving device includes a resonant coil, an electromagnetic coupling coil, a rectifier circuit, a smoothing circuit, a voltage converter circuit which converts a voltage value of DC power into another voltage value, a control circuit which obtains voltage and current values of the DC power input to the voltage converter circuit, calculates an impedance from the obtained voltage and current values, and generates a pulse width modulation signal for controlling an output voltage and an output current of the voltage converter circuit, and a load to which the output voltage and the output current of the voltage converter circuit are input. The duty ratio of the pulse width modulation signal is determined so that the impedance calculated by the control circuit becomes close to an impedance for the maximum efficiency in transferring the AC power. The power receiving device is included in a contactless power feeding system.04-04-2013
20130082647Low-Power Wireless Charging Apparatus And Method Thereof - Disclosed herein is a low-power wireless charging apparatus including: a plurality of primary coils corresponding to a plurality of receivers, respectively; a plurality of drivers periodically and sequentially transmitting receiver detect signals; a sensing unit detecting a current and a voltage according to a magnetic field changed by one or more of the plurality of primary coils; a comparator comparing the detected current and voltage with pre-set values; a low-power auxiliary control unit generating a wake-up signal when one or more receivers are present; and a main control unit turned on upon receiving the wake-up signal, and controlled to generate a wireless power signal for charging a corresponding receiver and transmit, whereby unnecessary power consumption can be prevented and the burden of the main control unit can be lessened, thus increasing efficiency.04-04-2013
20130134929ELECTRONIC DEVICE AND METHOD WITH ROLLABLE DISPLAY - An electronic device (05-30-2013
20130038280APPARATUS FOR SECURING A RECHARGEABLE ELECTRONIC DEVICE WITH RESPECT TO A SURFACE OF A WIRELESS BATTERY CHARGING APPARATUS OF A VEHICLE - Methods, system and apparatus are provided for securing a rechargeable electronic device with respect to a surface of a wireless battery charging apparatus of a vehicle.02-14-2013
20130082646Side Charging Inductor - Techniques involving a side charging inductor and associated functionality are described. In one or more implementations, the techniques describe a mobile device that includes a housing with a first side and a second side that are not substantially parallel to one another. The first side may include an exposed face upon which the mobile device is configured to rest on a surface, and the second side may include a coil for charging a battery of the mobile device using induction.04-04-2013
20120262109BATTERY PACK WITH OUTPUT CONNECTORS - The casing 10-18-2012
20120181981ENERGY SUPPLY UNIT, LAND VEHICLE, REPLACEMENT STATION AND METHOD FOR REPLACEMENT OF AN ENERGY SUPPLY UNIT CONTAINED IN A LAND VEHICLE - The invention relates to an energy supply unit (07-19-2012
20120181980Power Transfer System and Noncontact Charging Device - A high-voltage side conductor is formed near the upper surface of a power transmission device, and a low-voltage side conductor is formed near the lower surface of the power transmission device. The power transmission device includes an alternating voltage generating circuit. A high-voltage side conductor is formed near the lower surface of a power reception device, and a low-voltage side conductor is formed near the upper surface of the power reception device. The power reception device includes a load circuit. When the high-voltage side conductors face a capacitive coupling conductor of an auxiliary sheet, capacitances are generated respectively between the high-voltage side conductors and the capacitive coupling conductor. Thus, the high-voltage side conductors are capacitively coupled to each other via the capacitive coupling conductor.07-19-2012
20120181979Telescoping Rechargeable Powered Pole System with Stand - A Telescoping Powered Rechargeable Pole with Stand System 07-19-2012
20100327804CHARGEABLE ELECTRIC DEVICE - A chargeable electric device includes a rechargeable battery. A secondary coil is arranged to be coupled by electromagnetic induction to a primary coil of a non-contact charger when charging the rechargeable battery. A resonance capacitor is connected to the secondary coil. A rectification unit is connected to the secondary coil. A charging current control unit arranged between the rectification unit and the rechargeable battery control charging current supplied from the rectification unit to the rechargeable battery. A resonance obstruction element obstructs normal resonance produced by the secondary coil and the resonance capacitor in synchronism with the control performed by the charging current control unit to suppress the charging current.12-30-2010
20100327803NON-CONTACT CHARGER - A non-contact charger includes a primary coil that transmits power in a non-contact manner to a load device through electromagnetic induction with a secondary coil of the load device when charging the load device, a charger body including the primary coil, and an information notification block fixed to the charger body. The information notification block includes a notification element that notifies a user of information of at least one of the charger body and the load device, and an auxiliary coil connected to the notification element. The information notification block uses power transmitted in a non-contact manner through electromagnetic induction between the primary coil and the auxiliary coil to activate the notification element to provide notification of the information of at least one of the charger body and the load device.12-30-2010
20100327801PROXIMITY POWER PAD - A polygonal power pad includes an optional connector to connect to a power supply and a power network in the power pad. At least one power connector is coupled to the power network and is disposed on a periphery of the pad. The power connector is operable to receive and provide power to a provided adjacent pad. At least one power transfer coil embedded in the pad, is coupled to the power network to transfer power to a device proximate the pad12-30-2010
20130088194OVERHEAD POWER TRANSFER SYSTEM - The present invention relates to a charging station for charging a plurality of vehicles and methods of charging energy storage systems within a plurality of vehicles. A charging station for charging a plurality of vehicles each with a receiver coil located on top of a vehicle, includes: a first and second support structures, an overhead track stretching between the first and second support structures, a movable carriage on the overhead track, the carriage including a transmitter coil located at a position under the carriage for transferring power to the receiver coils of the plurality of vehicles when they are parked under the overhead track and an inductive power transfer module connected to the transmitter coil, and a motorized transport mechanism for moving the carriage along the tracks and positioning the carriage over any selectable one of the plurality of vehicles.04-11-2013
20090322281POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, POWER RECEIVING CONTROL DEVICE, POWER RECEIVING DEVICE, ELECTRONIC APPARATUS, METHOD FOR CONTROLLING POWER TRANSMISSION, AND METHOD FOR CONTROLLING POWER RECEIVING - A power transmission control device included in a contactless power transmission system that transmits power by electromagnetically coupling a primary coil and a secondary coil from a power transmission device to a power receiving device so as to supply the power to a load of the power receiving device includes: a controller that controls the power transmission device. The controller includes: a negotiation processing section that performs a negotiation process of contactless power transmission; and a setup processing section that performs a setup process of the contactless power transmission based on a result of the negotiation process. In the device, normal power transmission from the power transmission device to the power receiving device is started after the setup process.12-31-2009
20130069587COIL RESONANT COUPLER FOR SHORT DISTANCE WIRELESS POWER COMMUNICATION AND SHORT DISTANCE WIRELESS POWER TRANSMITTING APPARATUS INCLUDING THE SAME - Disclosed herein are a coil resonant coupler for short distance wireless power communication and a short distance wireless power transmitting apparatus comprising the same. The coil resonant coupler for short distance wireless power communication comprises a first coil installed perpendicularly to a first axis; a second coil installed perpendicularly to a second axis perpendicular to the first axis; and a third coil installed perpendicularly to a third axis perpendicular to each of the first and second axes. The short distance wireless power transmitting apparatus comprises a primary side core comprising the above-described coil resonant coupler, a position sensing unit which senses a position of the wireless power receiving apparatus to generate position information, and a transmission controlling unit which controls the primary side core based on the position information.03-21-2013
20130088195Wireless Charging Apparatus For Vehicle - Disclosed is a wireless charging apparatus for a vehicle. The wireless charging apparatus for a vehicle includes: a cavity type charging receiving part formed on a dashboard of a vehicle so as to charge a portable terminal; a pair of streamlined elastic fixing parts mounted in the cavity type charging receiving part to press and fix the portable terminal; and a charging module mounted on a rear surface of the cavity type charging receiving part and mounted with a primary side coil transmitting a wireless power signal so as to automatically align and charge the primary side coil at aligning a position of a secondary side coil of the portable terminal, whereby the position of the primary side coil is automatically aligned to correspond to the position of the secondary side coil, thereby improving the wireless power transmission efficiency.04-11-2013
20090302800POWER TRANSMISSION CONTROL APPARATUS, POWER TRANSMISSION APPARATUS, CONTACTLESS POWER TRANSMISSION SYSTEM, AND DATA DETERMINATION METHOD - A power transmission control apparatus is a power transmission control apparatus provided in a power transmission apparatus included in a contactless power transmission system where power is transmitted from the power transmission apparatus to a power reception apparatus by electromagnetically coupling a primary coil and a secondary coil. The power transmission control apparatus includes: a signal detection circuit that detects a signal induced by the primary coil; and a power transmission control circuit that determines a value of transmission data transmitted from the power reception apparatus by a load modulation, on the basis of an output signal of the signal detection circuit. The power transmission control circuit obtains detection data by detecting the transmission data on the basis of the output signal of the signal detection circuit at every drive clock cycle of the primary coil. If a value of the detection value is identical n-times continuously, where n=m+α≦p, the m is an integer equal to or larger than 0, the α is an integer equal to or larger than 1, and the p is an integer equal to or larger than 1, the power transmission control circuit determines that the value of the transmission data transmitted by the power reception apparatus is the value of the detection data.12-10-2009
20120217926WIRELESS POWER TRANSFER - Disclosed herein is a wireless power transfer system. The wireless power transfer system includes a wireless power transmitter receiving power input from the outside to generate a wireless power signal to be transmitted in wireless and transmitting the generated wireless power signal in wireless by a magnetic resonance manner using an LC serial-parallel resonance circuit; a wireless power receiver installed in a charging device to receive the wireless power signal transmitted from the wireless power transmitter by the magnetic resonance manner using the LC serial-parallel resonance circuit and output the received wireless power signal; and a charging circuit installed in the charging device to allow the power output from the wireless power receiver to charge an embedded battery, thereby making it possible to efficiently provide power in wireless.08-30-2012
20120217925Charging system - A charging system conveniently allows an electric device to be quickly disconnected and taken by a user. The charging system comprises at least one adapter unit and a power supply unit, wherein the adapter unit and the power supply unit utilize magnetic attraction to achieve a desire junction effect. It does not only form a power transmission between the power supply unit and the electronic product, but also separates the electronic product from the power supply unit by slightly imposing forces such that the electronic product can be quickly taken without influencing the operation of the electronic product.08-30-2012
20130057206CONTACTLESS BATTERY CHARGER, ELECTRONIC DEVICE, BATTERY PACK, AND CONTACTLESS CHARGING SYSTEM - A contactless charging system is made up of an electronic device and a contactless charger 03-07-2013
20130057208POWER RECEPTION EQUIPMENT FOR RESONANCE-TYPE NON-CONTACT POWER SUPPLY SYSTEM - Power reception equipment (03-07-2013
20130057207POWER FEEDING SYSTEM AND VEHICLE - A power feeding system is provided, in which a detected value of reflected power at a power supply device in a power feeding installation is sent from the power feeding installation to a vehicle via a first communication device, the vehicle has an impedance matching device for adjusting an impedance at a resonance system that is constituted of a power transmission resonator, including a primary self-resonant coil and a primary coil in the power feeding installation, and a power receiving resonator, including a secondary self-resonant coil and a secondary coil in the vehicle, and the impedance matching device is controlled based on the detected value of the reflected power at the power supply device, which has been received from the power feeding installation.03-07-2013
20130057203ASSEMBLY FOR MOUNTING AN INDUCTIVE CHARGER BASE STATION TO A FURNITURE WORK SURFACE - An assembly for mounting an inductive charger base station to an opening in a furniture work surface. The assembly includes a housing for securing the charger base station therein for mounting the base station within the opening, The housing includes a cover and a shoulder which locates within the opening. The cover includes an outer flange which abuts against the work surface. The housing also includes a base connected to the cover. The base includes a first clamping member extending inwardly. The housing includes an interior volume where the charger base station where the base station is located. The assembly also includes a fastening portion with an inner flange abutting against an inner face of the work surface and a second clamping member extending from the inner flange.03-07-2013
20130057205APPARATUS FOR WIRELESS POWER TRANSMISSION USING MULTI ANTENNA AND METHOD FOR CONTROLLING THE SAME - A wireless power transmission apparatus includes at least one power transmission antenna for transmitting a wireless power signal in a magnetic resonance manner by using a resonant frequency having different bandwidths from each other; a wireless power signal generating module for generating the wireless power signal; at least one wireless power converting module for converting a power level of the wireless power signal generated by the wireless power signal generating module and having different power level conversion ranges corresponding to the bandwidth of the resonant frequency of the power transmission antenna; a multiplexer matching module for selectively connecting the wireless power converting module to a corresponding power transmission antenna; and a control unit for selectively connecting the power transmission antenna and the wireless power converting module according to a required power of a device to be charged to adjust the power level of the wireless power signal.03-07-2013
20130057204SYSTEM AND METHOD FOR TRANSFERRING ELECTRIC ENERGY TO A VEHICLE - A system for transferring electric energy to a vehicle, in particular to a track bound vehicle such as a light rail vehicle, includes an electric conductor arrangement for producing an alternating electromagnetic field and for thereby transferring electromagnetic energy to the vehicle. The vehicle includes at least one receiver for receiving the electromagnetic energy and at least one signal transmitter adapted to repeatedly or continuously emit an enable signal towards the track. The vehicle also includes a transmitter control arrangement adapted to stop transmitting the enable signal if the receiver or if any device combined with the receiver is not to be operated.03-07-2013
20110057607VARIABLE WIRELESS POWER TRANSMISSION - Exemplary embodiments are directed to variable power wireless power transmission. A method may include conveying wireless power to a device at a first power level during a time period. The method may further include conveying wireless power to one or more other devices at a second, different power level during another time period.03-10-2011
20110057606SAFETY FEATURE FOR WIRELESS CHARGER - Example embodiments are disclosed for detecting the proximity of a user to a wireless charger and switching off or gradually reducing the power applied to the transmitting coils as long as the user is closer than a threshold distance. In embodiments, a power source circuit in a wireless charging device is configured to produce a source alternating current. A transmitting coil is configured to magnetically couple with a proximately located receiving coil in a user's device, using contact-less electromagnetic induction, to wirelessly provide power to the receiving coil. A power control circuit is coupled between the power source and the transmitting coil, having a control input configured to control power delivered from the power source to the transmitting coil. A proximity detector is positioned near the transmitting coil and coupled to the control input of the power control circuit, to detect proximity of the user to the detector and provide a control signal to the power control circuit to cause the power control circuit to reduce power delivered from the power source to the transmitting coil. In this manner, the exposure of the user is minimized near the active charging surface, to the intense electromagnetic fields required in wireless chargers.03-10-2011
20120306440HANDHELD ELECTRONIC DEVICE WITH POSITIONING FUNCTION - Disclosed is a handheld electronic device with positioning function that includes a device body that contains a transceiver circuit module, a positioning element, and a counterpart positioning element that corresponds to the positioning element in order to effect mutual positioning with respect to each other. The positioning element and the counterpart positioning element are both mounted to one side of the device body. Through rotating or putting up-side down one of two handheld electronic devices, the two handheld electronic devices can be positioned with respect to each other through the positioning elements and the counterpart positioning elements so as to have the transceiver circuit modules of the two handheld electronic devices precisely aligning with each other.12-06-2012
20120306439VEHICLE CHARGING APPARATUS - A vehicle includes a power reception terminal, a charger and a non-contact power reception unit. The power reception terminal is configured to be electrically connectable to an AC power supply. The charger is configured to convert AC electric power inputted from the power reception terminal to a predetermined DC voltage. The non-contact power reception unit is configured to be magnetically coupled to a power transmission unit of an AC power supply to receive electric power from the AC power supply in a non-contact manner. The non-contact power reception unit is connected to a power conversion circuit of the charger,12-06-2012
20090289595WIRELESS CHARGING MODULE AND ELECTRONIC APPARATUS - A wireless charging module includes a wireless power supplying module and a wireless receiving module. The wireless power supplying module includes a first resonator, which is for receiving first electric energy and has a first resonance frequency. The wireless receiving module includes a body, a shell, a second resonator and a charging circuit. The body is electrically connected to a battery. The second resonator is located on an inner wall of the shell and is electrically connected to the body. The second resonator has a second resonance frequency substantially the same as the first resonance frequency. The first electric energy of the first resonator is coupled to the second resonator so that non-radiative energy transfer is performed between the first and second resonators. The second resonator provides second electric energy. The charging circuit receives the second electric energy to charge the battery.11-26-2009
20130162201BIDIRECTIONAL WIRELESS CHARGING AND DISCHARGING DEVICE FOR PORTABLE ELECTRONIC DEVICE - Disclosed is a bidirectional wireless charging and discharging device for portable electronic device. The bidirectional wireless charging and discharging device includes: a wireless receiving and transmitting unit and a logic control unit, a step-up/step-down unit, first and second reverse current protectors, a control switch, and at least a supercapacitor. The first and second reverse current protectors function to prevent reverse current and to switch. The step-up/step-down unit controls step-up conversion in discharging and step-down conversion in charging. The logic control unit detects if a load exists on an opposite side of the wireless receiving and transmitting unit and controls the operations of the step-up/step-down unit and the first and second reverse current protectors, and can be even combined with a control switch to control selectively charging and discharging operations. The supercapacitor absorbs surge occurring in each charging operation.06-27-2013
20090079387POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMITTING DEVICE, POWER-TRANSMITTING-SIDE DEVICE, AND NON-CONTACT POWER TRANSMISSION SYSTEM - A power transmission control device provided in a non-contact power transmission system includes a power-transmitting-side control circuit that controls power transmission to a power receiving device, an actuator control circuit that controls the operation of an actuator that moves the position of a primary coil in an XY plane, a relative position detection signal generation circuit that generates a relative position detection signal relating to the primary coil and a secondary coil based on a coil end voltage or a coil current of the primary coil, and a primary coil position control circuit that causes the actuator control circuit to move the position of the primary coil in the XY plane so that the relative positional relationship between the primary coil and the secondary coil indicated by the relative position detection signal is within an allowable range.03-26-2009
20090267560Battery pack - The battery pack instead of the size AA battery is loaded in a battery storage of an electronic device. The battery pack includes a battery casing, a plurality of size AAA batteries, a battery holder, a circuit board, and an induction coil electromagnetically connected to a primary coil of a battery charger cradle. The size AAA batteries are accommodated in the battery casing in a spaced-apart manner where a distance between longitudinal axes of the size AAA batteries is larger than a distance between longitudinal axes of the size AA batteries loaded in the battery storage, and a storage space is defined between the adjacent size AAA batteries. With an electronic component, mounted on the circuit board, being disposed in the storage space, the battery pack accommodates the size AAA batteries, the battery holder, the circuit board, and the induction coil in a mutually layered state in the battery casing.10-29-2009
20090267559Mobile electronic equipment and battery charger cradle - Mobile electronic equipment incorporating an induction coil and a battery; and a battery charger cradle for recharging the battery in the mobile electronic equipment. Regarding the charger cradle, a bottom surface of a mounting portion is curved in a U-grooved shape, and a primary coil is incorporated inside the U-grooved bottom surface, with the primary coil being connected to a power source. Regarding the mobile equipment, its rear surface placed on the mounting portion of the charger cradle is curved to match with the U-grooved bottom surface, and the induction coil is incorporated inside the curved rear surface. When the mobile equipment is placed on the mounting portion of the charger cradle, the electric power is carried from the primary coil to the induction coil which are electromagnetically coupled with each other, and the battery in the mobile equipment is recharged by the electric power induced to the induction coil.10-29-2009
20090267558Wireless Power Charging System - A non-contact power charging system includes a wireless power transmission apparatus 10-29-2009
20090267561INDUCTION TYPE POWER SUPPLY DEVICE - An induction type power supply device includes a power supply base unit having a connection interface connectable, an oscillator circuit for producing an AC signal upon connection of the connection interface to an electric outlet, a driver circuit for amplifying the AC signal and a primary inductor for obtaining a resonant frequency and releasing the AC signal, and an attached induction device placed on the power supply base unit and having a secondary inductor for receiving the AC signal from the primary inductor by means of magnetic induction, a rectifier filter circuit for converting the AC signal into a DC power supply, a power management circuit for regulating the DC power supply subject to a predetermined voltage and current value and a connection device for the connection of an external mobile electronic apparatus and for outputting the regulated DC power supply from the power management circuit to the connected external mobile electronic apparatus.10-29-2009
20120223674THREE-DIMENSIONAL GLASSES AND SYSTEM FOR WIRELESS POWER TRANSMISSION - Three-dimensional (3D) glasses and a system for wireless power transmission are provided. The 3D glasses include a frame, a resonance reception part which includes a reception conductive wire loop and a resonance capacitor for wireless charging, a rectification part which rectifies a voltage generated by the resonance reception part, and a charging part which charges a battery using the rectified voltage. The frame includes a first temple, a second temple, a first lens holder part, a second lens holder part, and a bridge part connecting the first lens holder part and the second lens holder part.09-06-2012
20120223673Charging module - A charging module comprises a power supply device and at least one adapter, wherein a first and second magnetic attraction components, which are attracted to each other, are respectively disposed to a coupling place between the adapter and the power supply device. While in use, the power supply device is electrically connected to an electronic product through the adapter. Power from the power supply device is delivered to the electronic product, and attraction of the first and second magnetic attraction components is utilized to retain the junction effect between the adapter and the power supply device. The electronic product can be separated from the power supply device by slightly imposing forces. The electronic product can be quickly taken by a user without influencing the operation of the electronic product.09-06-2012
20110012557ELECTRIC POWER CHARGE AND DISCHARGE SYSTEM - An electric power charge and discharge system for an electronic device having a battery, by which the electronic device can be used for a long period of time. In a wireless communication device including a wireless driving portion including a first battery and a wireless charging portion including a second battery, the first battery is charged by electric power from a fixed power supply and the second battery is charged by using electromagnetic waves existing in an external space. Further, the first battery and the second battery are discharged alternately, and during a period in which the first battery is discharged, the second battery is charged.01-20-2011
20130063084Wireless Power Transfer Device - There is provided a wireless power transfer device comprising an input interface configured to receive a primary magnetic flux in a first direction, an output interface configured to output a secondary magnetic flux in a second direction different from the first direction, wherein the input interface and the output interface form a closed electric circuit.03-14-2013
20130063085RESONANCE-TYPE NON-CONTACT POWER SUPPLY SYSTEM - Movable body equipment is provided with: a secondary-side resonance coil, which receives power from a primary-side resonance coil of power supply equipment; a rectifier, which rectifies the power received by the secondary-side resonance coil; and a secondary battery, to which to which the power rectified by the rectifier is supplied. A resonance-type non-contact power supply system is provided with: state of charge detection units, which detect the state of charge of the secondary battery; and an impedance estimation unit, which estimates an impedance estimation value for the secondary battery on the basis of the state of charge of the secondary battery. When the absolute value of the difference between the impedance estimation value and the current impedance value of the secondary battery exceeds a threshold, a determination unit determines that a foreign body is present between the primary-side resonance coil and the secondary-side resonance coil.03-14-2013
20130063083METHOD FOR TRANSMITTING SIGNALS FROM A PLURALITY OF WIRELESS POWER RECEIVERS TO WIRELESS POWER SUPPLIER - Methods and apparatus are provided for transmission and reception of signals. A signal is received that includes at least one of a power supply signal for wireless charging from a wireless power supplier and a power communication signal from at least one external wireless power receiver. The received signal is analyzed to determine whether the power communication signal is included with the power supply signal in the received signal. A transmission frequency of a transmission signal is determined based on whether the power communication signal is included with the power supply signal in the received signal. Transmission data for control of the wireless charging is modulated, and the modulated transmission data is output as the transmission signal over the transmission frequency.03-14-2013
20130063082WIRELESS POWER RECEIVER AND CONTROL METHOD THEREOF - Methods and apparatus are provided for controlling a wireless power receiver for wirelessly receiving power. A drive power for driving the wireless power receiver is received from a wireless power transmitter. A communication network is established with the wireless power transmitter. A wireless power network that is controlled by the wireless power transmitter is joined. A charge power is received from the wireless power transmitter.03-14-2013
20100201314WIRELESS POWER TRANSFER FOR LOW POWER DEVICES - Exemplary embodiments are directed to wireless power transfer. A method of operating a wireless receiver may comprise receiving wireless power with a receive antenna and conveying power from the receive antenna to a chargeable element. The method may further include electrically isolating the receive antenna from the chargeable element upon detecting that the chargeable element is fully-charged.08-12-2010
20130162205POWER SUPPLY DEVICE, POWER RECEIVING DEVICE AND VEHICLE INCLUDING POWER RECEIVING DEVICE, AND CONTROL METHOD FOR POWER SUPPLY SYSTEM - A power supply device supplies electric power to a power receiving device including a power receiving unit in a non-contact manner. The power supply device includes a power source device that generates electric power with a predetermined frequency; a power transmitting unit that receives the electric power from the power source device, and that resonates with the power receiving unit through an electromagnetic field, thereby transmitting the electric power to the power receiving unit in the non-contact manner; a detection device that detects reflected electric power to the power source device; a communication device that receives information regarding a power receiving situation in the power receiving device; and a control device that controls electric power transmission from the power transmitting unit based on the information regarding the power receiving situation and the reflected electric power.06-27-2013
20130113421DISPLAY DEVICE AND DISPLAY SYSTEM INCORPORATING WIRED AND WIRELESS CHARGING APPARATUSES - Disclosed herein is a display system incorporating wired and wireless charging apparatuses, including: a switching processing unit supplying and processing a power of a power supply unit according to a mode selected through a switch; a wireless charging unit connected to the switching processing unit and including a pad for wireless charging; a wired charging unit connected to the switching processing unit and a terminal for wired charging; a display unit connected to the switching processing unit; and a control unit connected to the switching processing unit to control operations according to the mode.05-09-2013
20090237030CHARGE EQUALIZATION APPARATUS - The present invention relates to a charge equalization apparatus, which allows the primary and secondary windings of a transformer to be easily fabricated, can control the flow of charge to batteries depending on the charged states of series-connected batteries, and can prevent overcurrent from flowing into a battery currently being charged.09-24-2009
20090237029INDUCTIVE BATTERY CHARGER FOR SERVICE EQUIPMENT - An inductive battery charging system for a handheld service tool is provided. The system includes a battery charger and a handheld service tool. The battery charger has a primary coil enclosed within a housing, and which is coupled to a power source. The service tool includes a secondary coil, enclosed within a housing, that provides at least 100 mA of inductively-generated alternating current, a rectifier, a linear voltage regulator, a battery charge controller and a battery.09-24-2009
20130162200INDUCTIVELY COUPLED CHARGER - A device includes a charge controller to regulate a battery output voltage based on an input voltage and an input current received from a charging circuit. A loop controller monitors the input voltage and the input current to generate a feedback signal to adjust the input voltage to the charge controller.06-27-2013
20130162202WIRELESS CHARGER - A wireless charger includes a charging platform and a capacitive touch device. The capacitive touch device includes a first touch-sensitive layer, a second touch-sensitive layer, and a microcontroller. The capacitive touch device is disposed over the charging platform for sensing a position of the electronic device.06-27-2013
20120235637CHARGING APPARATUS - A charging apparatus includes: a charging unit configured to perform a contactless charging operation for a placed external device; a detector configured to detect a position of a placed object; a determining unit configured to determine that the placed object is an external device compatible with the charging unit; and a control unit configured to control the charging unit such that, during the contactless charging operation for an external device compatible with the charging unit, the charging operation for the external device being charged is restricted when an object that is determined by the determining unit not to be an external device compatible with the charging unit, has been placed within a predetermined distance from the charging unit.09-20-2012
20120235636SYSTEMS AND METHODS FOR PROVIDING POSITIONING FREEDOM, AND SUPPORT OF DIFFERENT VOLTAGES, PROTOCOLS, AND POWER LEVELS IN A WIRELESS POWER SYSTEM - Systems and methods for modifying the magnitude and/or phase of an electromagnetic field in one or multiple dimensions. Applications for use in charging or powering multiple devices with a wireless power charger system are also described. Applications include beam shaping, beam forming, phase array radar, beam steering, etc. and inductive charging and power, and particularly usage in mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, industrial applications, vehicles, and other usages. Embodiments of the invention can also be applied generally to power supplies and other power sources and chargers, including systems and methods for improved ease of use and compatibility and transfer of wireless power to mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, military, industrial applications and/or vehicles.09-20-2012
20120235635ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus includes a display device with a display screen, a first wireless communication module, a second wireless communication module, first antennas for the first wireless communication module, and second antennas for the second wireless communication module. The display screen is exposed from a front surface of a housing. At least two of each of the first antennas and the second antennas are disposed in two perpendicular sides of the housing. The two perpendicular sides are peripheral parts of the display screen. One of the first antennas disposed in the two perpendicular sides and one of the second antennas disposed in the two perpendicular sides are disposed in respective center parts of the two perpendicular sides.09-20-2012
20120235634WIRELESS ENERGY TRANSFER WITH VARIABLE SIZE RESONATORS FOR MEDICAL APPLICATIONS - A medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power an implantable medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, the area circumscribed by the inductive element of at least one of the electromagnetic resonators can be varied to improve performance.09-20-2012
20120235633WIRELESS ENERGY TRANSFER WITH VARIABLE SIZE RESONATORS FOR IMPLANTED MEDICAL DEVICES - A medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver including a load is configured to power the medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, the area circumscribed by the inductive element of at least one of the electromagnetic resonators can be varied to improve performance.09-20-2012
20120235632INTRA-ORAL CHARGING SYSTEMS AND METHODS - Systems and methods are disclosed for charging an intra-oral apparatus includes an intra-oral appliance having an appliance charger coil defining a first portion of an electromagnetic loop; and a charger base having a base charger coil defining a second portion of the electromagnetic loop, wherein the appliance charger coil and the base charger coil in combination transfer energy for inductive charging.09-20-2012
20130162203POWER RECEIVING DEVICE AND WIRELESS POWER SUPPLY SYSTEM - Provided is a power receiving device in which supply of power from a power supply device can be stopped while a reduction in Q-value is suppressed. The power receiving device includes a first antenna which forms resonant coupling with an antenna of the power supply device; a second antenna which forms electromagnetic induction coupling with the first antenna; a rectifier circuit including a plurality of switches and performing a first operation or a second operation depending on whether the plurality of switches is ON or OFF, the first operation being an operation in which voltage applied from the second antenna is rectified to be outputted, and the second operation being an operation in which a pair of power supply points is short-circuited; a load to which the voltage is applied; and a control circuit which generates a signal for selecting ON or OFF of the plurality of switches.06-27-2013
20130162204APPARATUS FOR DETECTING SIGNAL AND WIRELESS POWER TRANSMITTING APPARATUS HAVING THE SAME - Disclosed herein are a signal detecting apparatus and a wireless power transmitting apparatus having the same. In the signal detecting apparatus, a resonance tank circuit is resonated by a magnetic field change of a power transmitting coil generated according to a signal transmitted to the wireless power transmitting apparatus by a power receiving apparatus to generate a resonance signal, and a signal extracting unit extracts the signal transmitted by the power receiving apparatus in the generated resonance signal. The resonance tank circuit includes a radio frequency identification (RFID) transponder detecting the magnetic field change signal of the power transmitting coil, and a capacitor connected in parallel with the RFID transponder to be resonated by the magnetic field change of the power transmitting coil. The signal transmitted to the wireless power transmitting apparatus by the power receiving apparatus may be accurately detected by a simple circuit configuration.06-27-2013
20130162206CHARGING UNIT AND ELECTRICAL DEVICE PROVIDED WITH THE SAME - In a charging unit, a configuration is obtained in which power stored in a battery can be prevented from being unnecessarily consumed when a device is not being used. The charging unit (06-27-2013
20130207601WIRELESS POWER TRANSFER SYSTEM - A system includes a first stage of an inductive power transfer system with an LCL load resonant converter with a switching section, an LCL tuning circuit, and a primary receiver pad. The IPT system includes a second stage with a secondary receiver pad, a secondary resonant circuit, a secondary rectification circuit, and a secondary decoupling converter. The secondary receiver pad connects to the secondary resonant circuit. The secondary resonant circuit connects to the secondary rectification circuit. The secondary rectification circuit connects to the secondary decoupling converter. The second stage connects to a load. The load includes an energy storage element. The second stage and load are located on a vehicle and the first stage is located at a fixed location. The primary receiver pad wirelessly transfers power to the secondary receiver pad across a gap when the vehicle positions the secondary receiver pad with respect to the primary receiver pad.08-15-2013
20110025263UNIVERSAL SYSTEM FOR CHARGING AT LEAST ONE PORTABLE DEVICE - A universal system for recharging at least one portable appliance, the dedication of which is being capable from a device (02-03-2011
20090045772Wireless Power System and Proximity Effects - A wireless powering and charging system is described. Such a system comprises a radio frequency transmitter (typically a home-appliance sized unit on a desk or a shelf) and a receiver (typically a small mobile unit carried by the user). When the user is in range of the transmitter, charging or powering can take place in the mobile unit.02-19-2009
20120194126RECHARGEABLE BATTERY POWERED PORTABLE ELECTRONIC DEVICE - There is provided a planar inductive battery charging system designed to enable electronic devices to be recharged. The system includes a planar charging module having a charging surface on which a device to be recharged is placed. Within the charging module and substantially parallel to the charging surface are multiple primary windings formed in a multi-layer structure that couple energy inductively to a secondary winding formed in the device to be recharged. A winding of a first layer is offset relative to a winding of a second layer. The invention also provides secondary modules that allow the system to be used with conventional electronic devices not formed with secondary windings.08-02-2012
20110279081Electronic Rechargeable Stylus and Eraser System - A system for recording writing performed on a surface includes a rechargeable stylus, a rechargeable eraser, and a charging station for one or both of the rechargeable stylus and the rechargeable eraser. Each of the rechargeable stylus and the rechargeable eraser includes a pair of charging rings. The charging rings are disposed so as to contact a corresponding pair of charging contacts on a receptacle on the charging station for the stylus or the eraser. The receptacle, charging contacts, and charging rings cooperate to charge rechargeable stylus or the rechargeable eraser when the stylus or eraser is placed into the receptacle.11-17-2011
20090140690Wireless Power Charging System - A wireless power charging system has a wireless power transmission apparatus formed to charge a plurality of wireless power receiving apparatuses located in a short distance therefrom, wherein the total charging time for the wireless power receiving apparatuses is saved. The wireless power transmission apparatus has a main control unit and a resonant converter unit, which transmit the electric signal to the wireless power receiving apparatus via the resonance signal generated from a primary charge core in order to charge the wireless power receiving apparatuses. The wireless power transmission apparatus also includes an output signal conversion module for transmitting a converted electric signal to the resonant converter unit and a received signal process module for processing a signal transmitted from the wireless power receiving apparatus.06-04-2009
20110018497Current Sensing Circuit Disconnect Device and Method - A device and method are provided for mechanically breaking a circuit in a battery charging device when the charger is determined to be in a standby or idle mode of operation, after which the circuit must be manually reset in order to further use the device.01-27-2011
20080211455Rechargeable Power Supply, Battery Device, Contactless Charger System And Method For Charging Rechargeable Battery Cell - A system, method and apparatus for contact-less charging of battery operated devices is presented. There is a host charger with a power converter and resonant tank circuit and a portable device where the battery is located, with a battery charging control IC. The method obviates the need for a voltage controller in each of both the host and the portable stages, thus decreasing complexity and increasing efficiency. The charging of the battery in the portable device is controlled by a charging controller therein, which is in continual electric communication with the host, whose output power the control IC dynamically monitors and controls. Two embodiments for the charging circuitry in the portable device are presented. In one embodiment component count is minimized but battery charging is not optimized when the battery voltage is very low. In the other embodiment charging efficiency is maximized regardless of the output voltage of the battery, but additional components are utilized.09-04-2008
20120112692Wireless Power Supply System and Wireless Power Supply Method - An object is to provide a system for improving convenience for users, by which a portable electronic device or the like can be charged even in a place where utility power is not available. Another object is to provide a system which allows a service provider to easily perform customer management. A wireless power supply system includes a power storage device having a power storage portion, a terminal charging device for wirelessly supplying electric power to the power storage device, and a management server having user information. Electric power can be supplied to specified users by intercommunication of user information between the power storage device and the terminal charging device and between the terminal charging device and the management server.05-10-2012
20110074346VEHICLE CHARGER SAFETY SYSTEM AND METHOD - Wireless vehicle charger safety systems and methods use a detection subsystem, a notification subsystem and a management subsystem. The detection subsystem identifies a safety condition. The notification subsystem provides an indication of the safety condition. The management subsystem addresses the safety condition. In particular, undesirable thermal conditions caused by foreign objects between a source resonator and a vehicle resonator are addressed by sensing high temperatures, providing a warning and powering down a vehicle charger, as appropriate for the environment in which the charger is deployed.03-31-2011
20120112691WIRELESS ENERGY TRANSFER FOR VEHICLES - A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, and wherein the frequency of at least one electromagnetic resonator is selected to prevent transfer of power to unauthorized devices.05-10-2012
20120169276WIRELESS CHARGING TRANSMITTER FOR PORTABLE ELECTRONIC DEVICE - A wireless charging transmitter for a portable electronic device is provided. The wireless charging transmitter includes a first housing, a second housing and a wireless charge transmitting module. The wireless charge transmitting module is disposed within the second housing. The second housing is rotatable with respect to the first housing, so that either an included angle is defined between the second housing and the first housing or the second housing and the first housing are folded together. Whereas, in a case that an included angle is defined between the second housing and the first housing, once a wireless charging receiver is contacted with the second housing, electric power may be transmitted to the wireless charging receiver. In a case that the second housing and the first housing are folded together, the wireless charging transmitter has a rectangular shape. Due to the rectangular shape, the wireless charging transmitter is easily carried.07-05-2012
20120169275WIRELESS CHARGING RECEIVER FOR PORTABLE ELECTRONIC DEVICE - A wireless charging receiver for a portable electronic device is provided. The wireless charging receiver includes a base plate, a wireless charge receiving module, a fastening part and an electric connector. The portable electronic device may be fixed on the base plate of the wireless charging receiver by means of the fastening part. Through the electric connector of the wireless charging receiver, the wireless charge receiving module is electrically connected with the portable electronic device. Consequently, electric power is transmitted to the portable electronic device through the wireless charging receiver to charge the portable electronic device.07-05-2012
20110133691Wireless Galvanic Charging Device,Method of Operation Thereof and Mobile Electric Device to be Charged - A wireless charging device (06-09-2011
20120032633TRANSMISSION OF POWER BIDIRECTIONALLY AND WITHOUT CONTACT TO CHARGE ELECTRIC VEHICLES - A converter that feeds an electric drive in an electric vehicle is used to transmit energy to the vehicle without contact using resonant operation for inductive transmission of energy. The leakage inductance of the transformer is resonantly adjusted by a serial capacitor. The load current is then switched at zero-crossing.02-09-2012
20110285348APPARATUS FOR CONTACTLESS CHARGING OF MOBILE TERMINAL - A contactless charging apparatus of a portable terminal is provided. The contactless charging apparatus of a portable terminal includes a main circuit board, a rectifying unit, a charging unit, and a secondary coil unit mounted on the main circuit board for generating an electromotive force. The secondary coil unit may be formed on the main circuit board in a patterning process instead of an existing copper line coil. A coil layer formed in the patterning process generates an electromotive force induced by a magnetic induction field created by a contactless charger, and a direct current is applied to a battery to charge the battery using the rectifying unit and the charging unit.11-24-2011
20110285349ADAPTIVE WIRELESS ENERGY TRANSFER SYSTEM - Exemplary embodiments are directed to wireless power transfer using magnetic resonance in a coupling mode region between a charging base (CB) and a remote system such as a battery electric vehicle (BEV). The wireless power transfer can occur from the CB to the remote system and from the remote system to the CB. Load adaptation and power control methods can be employed to adjust the amount of power transferred over the wireless power link, while maintaining transfer efficiency.11-24-2011
20110285347WIRELESS CHARGING JACKET COMBINED WITH A BATTERY AND WIRELESS CHARGING SYSTEM THEREOF - A wireless charging jacket combined with a battery includes an induction coil, a control circuit, an isolation gasket, at least one conductive terminal, and a package material. The induction coil transforms an electromagnetic wave into an electrical energy. The control circuit performs a wireless charging operation upon the battery by using the electrical energy transformed by the induction coil. The isolation gasket is used for isolating the electromagnetic wave. The conductive terminal is coupled to the control circuit, wherein the wireless charging jacket performs the wireless charging operation upon the battery via the conductive terminal. The package material at least partially covers the battery, such that the battery is installed in the wireless charging jacket. The induction coil, the control circuit, the isolation gasket, and the conductive terminal are disposed on the package material.11-24-2011
20100277121WIRELESS ENERGY TRANSFER BETWEEN A SOURCE AND A VEHICLE - Described herein are improved configurations for a wireless power transfer system that may include a source resonator including at least one high-Q magnetic resonator configured to generate an oscillating magnetic field, the source resonator located at a distance from a vehicle having a device resonator, and a positioning system that provides information on a relative alignment of the source resonator and the device resonator.11-04-2010
20110291614WIRELESS CHARGER FOR USE IN AUTOMOBILE - A wireless charge is provided for use in an automobile and includes a main body having a transmitter circuit and a power member. The main body has a surface to which a clip section is mounted so that coupling with an electronic device can be realized through the clip section. The power member is electrically connectable with a cigarette lighter of the automobile and the main body, whereby the power member transmits the electrical power supplied from the cigarette lighter to the transmitter circuit to allow the transmitter circuit to convert the electrical power into an AC signal, which is transmitted in a wireless manner to a receiver circuit of the electronic device to electrically charge a rechargeable battery of the receiver circuit. As such, a user may perform electrical charging of the electronic device during the travel of the automobile.12-01-2011
20110291615WIRELESS CHARGING SYSTEM FOR VEHICLES - A system of energy storage and charging usable in vehicles and other applications that eliminate the battery capacity and automotive range issues is described. In our invention, vehicles are equipped with charging mechanisms to charge and recharge onboard batteries using wireless electricity and power transmission using magnetic resonant coupling between tuned electromagnetic circuits. The batteries may be charged using wireless charging systems installed along the roads while the vehicle is in use on the road. Charging system may optionally utilize infrared laser beam radiation to transmit power for charging the batteries on board a vehicle while it is in use as well. The onboard vehicle batteries may also be charged when the vehicle is not being driven either by plugging in the vehicle into wall electricity using wired power connection or may be wirelessly charged using the magnetic resonant coupling. By locating the charging circuits on roads, a continuous operation of electric-only mode of hybrid vehicles or pure electric-only vehicles can be accomplished and fully eliminate the need for gasoline usage.12-01-2011
20110291613TEMPERATURE SENSOR INTERFACE FOR WIRELESS AND WIRED CHARGING - Exemplary embodiments are directed to an electronic device for enabling a temperature of a battery unit to be sensed with a wired power charger or a wireless power. A device may include a wireless power receiver and a wired charging module operably coupled to the wireless power receiver. The device may also include an interface configured to couple to a battery unit and for selectively enabling one of the wireless power receiver and the wired charging module to determine a temperature of the battery unit.12-01-2011
20120098485WIRELESS CHARGING METHOD AND APPARATUS - A wireless charging method includes synchronizing power phases of at least two charging power supply devices, and wirelessly charging a terminal using the at least two charging power supply devices.04-26-2012
20120098483VEHICLE ALIGNMENT FOR INDUCTIVE CHARGING - Vehicle alignment for inductive charging includes a control system and logic configured to execute on the control system. The logic is configured to define a first orientation for a first antenna and a second antenna, which are disposed on a vehicle. The logic is also configured to define a second orientation specifying a location of a vehicle charging device disposed on the vehicle relative to the first and second antennae. The logic is further configured to determine a location of an inductive charging device relative to the vehicle by performing triangulation analysis using data from the first and second orientations in conjunction with signals received from the first and second antennae. The logic is also configured to calculate a direction to the location using voltage values from the signals, such that movement of the vehicle in the direction brings the vehicle charging device closer to the inductive charging device.04-26-2012
20100253282CHARGEABLE INDUCTIVE POWER OUTLET - An inductive charger comprising an inductive coil and a chargeable power pack. The inductive charger includes a driving circuit connectable to the power pack for providing a varying electrical potential to the inductive coil such that the inductive coil is inductively couplable to a secondary coil wired to an electrical load. The inductive charger may further include a charging circuit for connecting the inductive coil to the power pack when the inductive coil is inductively coupled to a primary coil.10-07-2010
20090184680MAGNETIC INDUCTION AND ENERGY STORAGE SYSTEM, APPARATUS AND USE THEREOF - The present invention relates to a magnetic induction and energy storage system, apparatus and use thereof. The present invention could be used with a biosensor implanted in a living organism, as a micro electrical device, or for other purposes.07-23-2009
20100264873CHARGING DEVICE - A charging device comprises a rotating unit, an axle unit assembled to the rotating unit and engaging the rotating unit, and two charging units assembled to the axle unit. Each charging unit includes a magnet retainer assembled to the axle unit and engaging the axle unit, a plurality of magnets received in the magnet retainer, and a case rotatably assembled to the axle unit and including a plurality of windings. Rotation of the rotating unit drives the axle unit and the magnet retainers to rotate, the rotating magnet retainers and magnets further rotate relative to the cases due to the inertia of the cases, and the magnets move relative to the windings and generate induction currents in the windings, for charging a battery.10-21-2010
20110215757WIRELESS DRIVER SYSTEM - A wireless driver system includes a mobile power supply module consisting of a transmitter-receiver coil, a resonant circuit, a charging circuit assembly, a power supply circuit assembly, a signal generator circuit, a power storage unit, a microprocessor and a voltage sensing circuit and controllable to transmit an electrical energy and a control signal wirelessly to a driver, and a driver consisting of a receiver coil, a resonant circuit, a signal sensing circuit, a power-receiving circuit, a microprocessor, a motor driver circuit and a driving mechanism and adapted for receiving the electrical energy and control signal from the mobile power supply module for switching the driving mechanism between two opposing positions.09-08-2011
20110215756COORDINATING CONTACTLESS COMMUNICATION AND CHARGING FUNCTIONS - An electronic device includes a contactless integrated circuit card function unit, a contactless charging function unit, and a switching unit. The contactless integrated circuit card function unit includes a clamp circuit and realizes a contactless integrated circuit card function. The clamp circuit suppresses excessive voltage of a signal received at an antenna whose operating frequency is a predetermined frequency. The contactless charging function unit commonly uses the antenna and realizes a contactless charging function. The switching unit invalidates or reduces the function of the clamp circuit when the contactless charging function unit is used.09-08-2011
20110215755INSULATED CHARGING MAT FOR CONSUMER ELECTRONICS (CE) DEVICE - A charging mat for recharging a consumer electronics (CE) device placed thereon. The mat has a flat charging surface configured for supporting the CE device and an insulating layer opposed to the charging surface and positionable on a support surface while the CE device is disposed on the charging surface. The insulating layer has an R-value of at least three ft09-08-2011
20090189565CONTACT-LESS POWER TRANSFER - There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least one conductor that generates an electromagnetic field when a current flows therethrough and having an charging area defined within a perimeter of the surface, the at least one conductor being arranged such that electromagnetic field lines generated by the at least one conductor are substantially parallel to the plane of the surface or at least subtend an angle of 45° or less to the surface within the charging area; and at least one secondary device including at least one conductor that may be wound about a core. Because the electromagnetic field is spread over the charging area and is generally parallel or near-parallel thereto, coupling with flat secondary devices such as mobile telephones and the like is significantly improved in various orientations thereof.07-30-2009
20090189564Hybrid automotive vehicle with closed-circuit, inductance battery charging - An underground source of electrical energy is inductively coupled to a receiver on a hybrid automotive vehicle to provide charging power for the vehicle's battery.07-30-2009
20090184679Attachable wireless charging device - An attachable wireless charging device includes a carrier board, a receiving coil, a circuit board, and at least two conductive wires. The carrier board has a back surface on which an adhesive layer is coated. The receiving coil is formed in the carrier board. The circuit board is mounted to one side of the carrier board and includes a power receiving circuit, which includes a receiving control circuit, a resonance control circuit, a regulation circuit, a control circuit, a polarity selection circuit, and a circuit output section, which are electrically and sequentially connected. Electrical connection is established between the receiving control circuit and the receiving coil. The at least two conductive wires are arranged at one side of the circuit board and are electrically connectable with the circuit output section of the circuit board. As such, an attachable wireless charging device featuring automatic determination of polarity connection is provided.07-23-2009
20090153098Battery charger cradle - In a battery charger cradle, a battery incorporated in a battery built-in device is charged by electric power induced to an induction coil. The cradle includes a primary coil inducing electromotive force to the induction coil, a casing having a top plate atop of which the battery built-in device is placed, a movement mechanism moving the primary coil along an inner surface of the top plate, and a position detection controller detecting a position of the battery built-in device placed on the top plate and controlling the movement mechanism to bring the primary coil closer to the induction coil in the battery built-in device. When the battery built-in device is placed on the top plate, the position detection controller detects the position of the battery built-in device, and the movement mechanism moves the primary coil to be brought closer to the induction coil in the battery built-in device.06-18-2009
20090146608Non-contact charging apparatus having charging information display function and method thereof - A non-contact charging apparatus having a charging information display function is presented. The non-contact charging apparatus includes a charging unit for charging a charge object in a non-contact manner placed in proximity to the charging unit, wherein the charging unit is configured to measure a charging efficiency and a charging status of the charge object on each position of the charging area, and to output the charging efficiency and the charging status via an output unit.06-11-2009
20090096414CONTACT-LESS POWER TRANSFER - A unit for transferring power in an inductive manner to at least one power-receiving device, and a system comprising such a unit and such a device. The unit includes at least one coil structure configured to allow various degrees of translational and rotational freedom of movement of the power-receiving device relative thereto. This provides increased ease of use, since it is not necessary for a user to place the power-receiving device in mechanical or other registration with the unit.04-16-2009
20110062916MOVABLE MAGNETICALLY RESONANT ANTENNA FOR WIRELESS CHARGING - Exemplary embodiments are directed to wireless power. A method may include reorienting at least one transmit antenna to reduce orthogonality with a receive antenna of at least one chargeable electronic device in response to receiving the at least one electronic device in a holder. The method may further include wirelessly transferring power from the at least one transmit antenna to the receive antenna.03-17-2011
20110199045POWER TRANSFER DEVICE AND METHOD - The present invention provides a power transfer device that wirelessly transfers AC power for charging at least one load, and an associated method of wirelessly transferring power. The device and method of the invention use phase-shift control to control the wireless transfer of the AC power.08-18-2011
20110148351NONCONTACT ELECTRIC POWER RECEIVING DEVICE, NONCONTACT ELECTRIC POWER TRANSMITTING DEVICE, NONCONTACT ELECTRIC POWER FEEDING SYSTEM, AND ELECTRICALLY POWERED VEHICLE - A first shielding box is disposed so that its first surface can be opposite to an electric power feeding unit. The first surface has an opening and remaining five surfaces thereof reflect, during reception of electric power from the electric power feeding unit, a resonant electromagnetic field (near field) generated in the surroundings of the electric power receiving unit. The electric power receiving unit is provided in the first shielding box to receive the electric power from the electric power feeding unit via the opening (first surface) of the first shielding box. A second shielding box has a similar configuration, i.e., has a second surface with an opening and remaining five surfaces thereof reflect the resonant electromagnetic field (near field) generated in the surroundings of the electric power feeding unit.06-23-2011
20110148349APPARATUS AND METHOD FOR CHARGING INTERNAL BATTERY IN WIRELESS SENSOR NETWORK - Provided are an apparatus and method for charging an internal battery in a wireless sensor network. A method for a slave sensor node to charge an internal battery in a sensor network includes estimating an hourly chargeable electric energy rate in a scan phase with a master sensor node, transmitting the estimated hourly chargeable electric energy rate using an association request message requesting association with the master sensor node after recognizing the master sensor node, requesting charging from the master sensor node and performing wireless charging when a power level of an internal battery requires charging, reporting the power level of the internal battery varied by the wireless charging to the master sensor node by predetermined time periods during the wireless charging, and stopping the wireless charging when the power level reported to the master sensor node reaches a predetermined power level.06-23-2011
20090206791Non-Contact Power Charging System and Control Method Thereof - A non-contact power charging, in which power transmission can be interrupted when foreign materials are deposited on a charge plate of the non-contact power charging system. A charging operation can be continuously maintained at a stable voltage even if a non-contact power receiving apparatus moves by touching or displacement on the charge plate of the non-contact power charging system in the charging operation. Charging efficiency is improved.08-20-2009
20100123430Non-contact power transfer apparatus - There is provided a non-contact power transfer apparatus performing non-contact power transfer from a power transmission coil L05-20-2010
20090096412INDUCTIVE CHARGING DEVICE - An induction charging device includes a charging pad and a battery set. The charging pad is composed of an inverting oscillating circuit connected with an emitting induction coil, and a charging room having the inside, the outside, the top or the bottom of its room wall installed with the emitting induction coil. The battery set has a main body installed with a charging system, which has a rectifying/filtering circuit, a charging control circuit and a receiving induction coil, characterized by having the receiving induction coil set inside or outside the main body of the battery set to receive electromagnetic field generated by the emitting induction coil to enable two ends of the receiving induction coil created with voltage to drive the charging system to proceed with induction charging.04-16-2009
20090278493Intra-package battery charging apparatus and process for distributed products - The invention described herein represents a significant improvement in retail product differentiation. A retail battery charging method and apparatus comprises a battery charger element that is powered by electricity from a retailer's infrastructure and a battery element that is contained within a product's packing and whereby the battery is charged by the retailer while it is being display upon retail shelving such that when purchased by a consumer, the battery is fully charged for immediate use.11-12-2009
20100123429CONTACTLESS CHARGING DEVICE AND CONTACTLESS CHARGING METHOD - A contactless charging device and contactless charging method is provided. The contactless charging device includes an energy-storing device for providing a DC signal as an input power, a power module electrically connected to the energy-storing device for generating an output signal in response to the DC signal and a control signal. The power module includes a transformer primary winding for coupling the output signal to a transformer secondary winding located external to the contactless charging device. The charging device further includes a feedback controller electrically connected to the power module for generating the control signal in response to the output signal, a predetermined power and a predetermined phase. When the contactless charging device is in close proximity to a plurality of loads, the output signal at the transformer primary winding will be coupled to the transformer secondary windings of the plurality of loads so as to simultaneously charge the loads.05-20-2010
20110169446NON-CONTACT CHARGING SYSTEM - In a power transmission terminal, a charging control unit outputs an alternating current signal having a charging control voltage based on a charging control signal. A power transmission unit excites a near-electromagnetic field. A primary-side signal processing unit acquires a reception signal on the basis of a voltage at the power transmission unit at the time of load modulation communication and sets the charging control signal on the basis of reference information included in the reception signal. In a power receiving terminal, a power receiving unit is couplable to the near-electromagnetic field excited by power transmission unit. A charging voltage generating unit generates a charging voltage for a rechargeable battery. A load modulation unit changes the load impedance of the power receiving unit as viewed from the power transmission unit by performing load modulation at the time of load modulation communication. A secondary-side signal processing circuit controls the load modulation unit at the time of load modulation communication using the acquired reference information.07-14-2011
20090261778Non-Contact Charger Available Of Wireless Data and Power Transmission, Charging Battery-Pack and Mobile Device Using Non-Contact Charger - Disclosed is a non-contact charger. The present invention provides a non-contact charger capable of wireless data communication and power supply between a non-contact charger capable of computer UBS communication and a charging battery-pack of a mobile device, using an induced electromotive force, thereby to enable data communication and power supply at the same time and to make good signal transmission without other poor contacts in the contact transmission.10-22-2009
20130099729COIL STRUCTURE FOR WIRELESS CHARGING AND WIRELESS CHARGING APPARATUS HAVING THE SAME - The wireless charging apparatus according to the preferred embodiment of the present invention includes a control unit performing a general control of a wireless charging process; a driving unit connected to the control unit to generate a wireless power signal to be transmitted according to the control of the control unit; a transmission coil unit connected to the driving unit as a coil structure in a dumbbel form and transmitting wireless power according to the wireless power signal, the turn loop having a major-axis side of which one side is longer than the other side and at least one area is formed in a form depressed inwardly; and a sensing unit connected between the transmission coil unit and the control unit to detect whether the wireless charging receiver is positioned corresponding to the transmission coil unit and transfer the detected state to the control unit.04-25-2013
20130099730MULTI WIRELESS CHARGING APPARATUS AND METHOD FOR MANUFACTURING THE SAME - The multi wireless charging apparatus of the present invention includes a control unit generally controlling a wireless charging procedure; a plurality of wireless charging units electrically connected to the control unit; and folding units connecting between the wireless charging units, the folding units each having a void therein, which passes through both lateral surfaces thereof, and thereby to be folded up or down.04-25-2013
20130099732METHOD FOR CONTROLLING CHARGING POWER AND WIRELESS CHARGING APPARATUS FOR THE SAME - Disclosed is a method for advance detection of output power, before arrival at a boundary frequency between an inband and an outband during frequency tracking in a wireless charging apparatus, the wireless charging apparatus including a first resonator resonating at a lower-limit frequency of the inband and a second resonator resonating at an upper-limit frequency of the inband, to adaptively adjust the frequency based on the power values output from the first and second resonators, and to determine a power transmission control value corresponding to the adjusted frequency, thereby enabling frequency control and power control within the inband.04-25-2013
20110267002SYSTEM AND METHOD FOR INDUCTIVELY CHARGING A BATTERY - An inductive charging system for recharging a battery. The system includes a charger circuit and a secondary circuit. The secondary circuit includes a feedback mechanism to provide feedback to the charger circuit through the inductive coupling of the primary coil and the secondary coil. The charger circuit includes a frequency control mechanism for controlling the frequency of the power applied to the primary coil at least partly in response to the feedback from the feedback mechanism.11-03-2011
20080278112Auxiliary Winding for Improved Performance of a Planar Inductive Charging Platform - A battery charging apparatus comprises an inductive charging platform including a charging surface on which an electrical device to be charged is to be placed, and a first winding for generating lines of magnetic flux generally perpendicular to the charging surface. To compensate for voltage sag caused by a reduction in the flux generated by the first winding, a second winding is located within an area defined by the first winding for generating an auxiliary magnetic flux generally perpendicular to the charging surface.11-13-2008
20120293120PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY PACK INCLUDING THE SAME - A protective circuit module including: an insulating substrate including a plurality of layers; first and second printed circuit patterns disposed between the plurality of layers of the insulating substrate; a loop antenna electrically coupled to the first printed circuit pattern; and a wireless charging portion spaced apart from the loop antenna and electrically coupled to the second printed circuit pattern, wherein ends of the loop antenna and ends of the wireless charging portion are between the plurality of layers of the insulating substrate.11-22-2012
20120293119WIRELESS CHARGING APPARATUS AND METHOD - Methods and apparatus for wireless charging are provided. Transmission power transmitted from a wireless power transmitter is received at a power receiver of a wireless power receiver. A battery of the wireless power receiver is charged with the received transmission power. It is determined whether the battery is fully charged. A packet from a communication unit of the wireless power receiver is transmitted to the wireless power transmitter when the battery is fully charged. An auxiliary charge of the battery is performed by receiving strength-reduced transmission power from the wireless power transmitter.11-22-2012
20120293117POWER CHARGING DEVICE AND MOBILE TERMINAL APPARATUS - A charging device that includes a first battery charged at a first rate and a second battery that is charged at a second rate, which is faster than the first rate. The charging device includes an interface that receives electric power from a charger; a first switch disposed between the interface and the first battery; a second switch disposed between the second battery and the first battery; a battery voltage detection circuit that detects a voltage of the second battery; a charger detection circuit connected to the interface that detects whether power is being received from the charger; and a switch control circuit that controls the first switch and the second switch based on outputs of the charger detection circuit and the battery voltage detection circuit.11-22-2012
20120293116SYSTEM AND METHOD OF FILLING AN AIR GAP BETWEEN A PAIR OF CORE SECTIONS OF A TRANSFORMER - An energy conversion system includes a first core section, a tank, a flexible structure, and an output coil. The tank contains a volume of fluid having a high magnetic permeability. The flexible structure is fluidly coupled to the tank and movable from a retracted to an extended position in response to the injection of the fluid from the tank. The output coil is in electrical communication with the first core section. A charging station includes a second core section and an input coil. The first and second core sections are in alignment to define an air gap therebetween. The air gap is reduced when the flexible structure is in the extended position within the air gap such that the flexible structure transmits magnetic flux between the second core section and the first core section. The magnetic flux in the first core section induces electrical current in the output coil.11-22-2012
20080309287FLEX CIRCUIT INTERFACE FOR WIRELESS CHARGING - A flex circuit interface for inductively charging a power source includes a flex circuit having a primary-portion and at least one folding portion. A device contact and a battery contact are disposed on a folding-portion. A secondary coil is disposed on the flex circuit for receiving inductively transferred power. A secondary receiving circuit is also disposed on the flex circuit. The secondary receiving circuit is in communication with the secondary coil to receive power from the coil. The flex circuit includes a battery contact and at least one pass-through contact. The battery contact is in communication with the secondary circuit for delivering power to the battery.12-18-2008
20110204845SYSTEM AND METHOD FOR INDUCTIVELY TRANSFERRING AC POWER AND SELF ALIGNMENT BETWEEN A VEHICLE AND A RECHARGING STATION - A method and apparatus for hands free inductive charging of batteries for an electric vehicle is characterized by the use of a transformer having a primary coil connected with a charging station and a secondary coil connected with a vehicle. More particularly, the when the vehicle is parked adjacent to the charging station, the primary coil is displaced via a self alignment mechanism to position the primary coil adjacent to the secondary coil to maximize the inductive transfer of charging current to the secondary coil. The self alignment mechanism preferably utilizes feedback signals from the secondary coil to automatically displace the primary coil in three directions to position the primary coil for maximum efficiency of the transformer.08-25-2011
20120139484Wireless Charging Shelf - A wireless charging shelf is described where a charging surface with a wireless power transmission structure is coupled with an electrical connector, providing a truly wireless charging solution. The wireless charging shelf may have a plug for installation in an electrical receptacle, or may be part of a cover plate for replacing an existing cover plate with a wireless charging shelf cover plate.06-07-2012
20100201316NON-CONTACT POWER TRANSMISSION APPARATUS - A non-contact power transmission apparatus having an AC power source and a resonance system is disclosed. The resonance system has a primary coil connected to the AC power source, a primary side resonance coil, a secondary side resonance coil, a secondary coil, and a load connected to the secondary coil. The primary side resonance coil is separated from the primary coil in an axial direction by a first distance, and the secondary coil is separated from the secondary side resonance coil in the axial direction by a second distance. At least one of the first distance and the second distance is adjusted to be a distance that is determined in advance in accordance with the impedance of the load so that the power transmission efficiency is maintained at a proper value.08-12-2010
20100201315ELECTRONIC DEVICE, CHARGER, AND CHARGING DEVICE - There is provided an electronic device for enabling the user to recognize the relative position of the electronic device to a power supply device such as a charger. An electronic device 08-12-2010
20100201313INCREASING EFFICIENCY OF WIRELESS POWER TRANSFER - Techniques are described herein that are capable of increasing efficiency of wireless power transfer. A wireless power transfer system includes features that allow the system to be deployed in public spaces such as airports or in commercial establishments such as restaurants or hotels to allow a user to recharge one or more portable electronic devices while away from home. To accommodate wireless recharging of a variety of device types and states, the system may receive parameters and/or state information associated with a portable electronic device to be recharged and may control the wireless power transfer in accordance with such parameters and/or state information. For instance, the system may increase efficiency of the wireless power transfer based on such parameters and/or state information. The system may also provide a secure and efficient means for obtaining required payment information from the user prior to the wireless power transfer, thereby facilitating fee-based recharging.08-12-2010
20100201312WIRELESS POWER TRANSFER FOR PORTABLE ENCLOSURES - Exemplary embodiments are directed to portable wireless charging. A portable charging system may comprise at least one antenna positioned within a portable enclosure. The at least one antenna may be configured to receive power from a power source and wirelessly transmit power to a receive antenna coupled to a chargeable device positioned within a near-field of the at least one antenna.08-12-2010
20100201311WIRELESS CHARGING WITH SEPARATE PROCESS - Exemplary embodiments are directed to wireless charging. A charging system may comprise at least one antenna configured for coupling to a container. The at least one antenna may further be configured to receive power from a power source and wirelessly transmit power to a receive antenna coupled to a chargeable device positioned within the container. Further, the charging system is configured to charge and perform a process on the one or more charging devices positioned within the container.08-12-2010
20100201309SYSTEMS AND METHODS FOR COUPLING A VEHICLE TO AN EXTERNAL GRID AND/OR NETWORK - Vehicle charging apparatuses and methods connect a vehicle to an external power source, the vehicle having a battery that is capable of being charged from the external power source and having a receptacle configured to receive a plug connected to the external power source. An alignment target receives at least one visual alignment beam from a vehicle, the position of the alignment beam providing visual indication to a vehicle operator that the vehicle is properly aligned relative to the charging station. A robotic arm is mounted to a structure and has a plug at a distal end thereof, the plug interconnected to the external power source and adapted to engage the vehicle receptacle to transfer power to or from the vehicle. A module may be provided for controlling the robotic arm such that said plug engages with the vehicle receptacle when the vehicle is properly aligned to receive the plug.08-12-2010
20100264872CHARGING DEVICE, AND PORTABLE ELECTRONIC DEVICE EMPLOYING THE SAME, AND CHARGING SYSTEM - A charging device for charging a portable electronic device includes a voltage regulating unit and a charger body electrically connected to the voltage regulating unit. The voltage regulating unit is configured for receiving electric energy from an external power source and converting the external power into a stable power. The charger body receives the stable voltage and transfers the electric energy to the portable electronic device via inductive coupling to charge the portable electronic device.10-21-2010
20080265835WIRELESS POWER TRANSFER SYSTEM - A wireless power transfer system 10-30-2008
20110006730GAS-MEASURING SYSTEM - The transmission of energy from the base station (01-13-2011
20090051314SELF-POWERED MAGNETIC GENERATOR - A power generation apparatus 02-26-2009
20090045773Wireless Charging System for Vehicles - A system of energy storage and charging usable in vehicles and other applications that eliminate the battery capacity and automotive range issues is described. In our invention, vehicles are equipped with charging mechanisms to charge and recharge onboard batteries using wireless electricity and power transmission using magnetic resonant coupling between tuned electromagnetic circuits. The batteries may be charged using wireless charging systems installed along the roads while the vehicle is in use on the road. Charging system may optionally utilize infrared laser beam radiation to transmit power for charging the batteries on board a vehicle while it is in use as well. The onboard vehicle batteries may also be charged when the vehicle is not being driven either by plugging in the vehicle into wall electricity using wired power connection or may be wirelessly charged using the magnetic resonant coupling. By locating the charging circuits on roads, a continuous operation of electric-only mode of hybrid vehicles or pure electric-only vehicles can be accomplished and fully eliminate the need for gasoline usage02-19-2009
20130119924MULTI-BAND TRANSMIT ANTENNA - This disclosure provides systems, methods and apparatus for tuning a transmit antenna for operation in a plurality of frequency bands. In one aspect, a transmitting antenna system is provided. The transmitting antenna system includes an active transmit antenna and a tunable passive antenna. The active antenna is configured to transmit a field over a plurality of operating frequencies. The passive antenna is configured to transmit a field over at least two frequencies of the plurality of operating frequencies. In one aspect, the tunable passive antenna includes a network of a plurality of reactive elements. In another aspect, the plurality of operating frequencies is selected from a set including a charging frequency, an NFC frequency, and a communication frequency.05-16-2013
20130119925NON-CONTACT CHARGING SYSTEM - A non-contact charging system includes: a power transmission device that includes a primary coil supplying electric power through electromagnetic induction; a power reception device that includes a secondary coil receiving electric power by being electromagnetically coupled with the power transmission device; and a control device that determines charging efficiency from the primary coil to the secondary coil and changes the current supplied to the primary coil in accordance with the charging efficiency.05-16-2013
20130119927METHODS FOR IMPROVED TRANSFER EFFICIENCY IN A MULTI-DIMENSIONAL INDUCTIVE CHARGER - A system and method for improved transfer efficiency in a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more receiver coils or receivers associated with one or more mobile device; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for improving transfer efficiency. In accordance with various embodiments, the system can include a ferromagnetic, ferrite, or other magnetic material or layer that acts as a switching layer.05-16-2013
20130119928INTELLIGENT CHARGING OF MULTIPLE ELECTRIC OR ELECTRONIC DEVICES WITH A MULTI-DIMENSIONAL INDUCTIVE CHARGER - A system and method for intelligent charging of multiple electric or electronic devices with a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more receiver coils or receivers associated with one or more mobile device; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for intelligent charging of multiple mobile devices. In accordance with various embodiments, the base unit can determine the presence of a mobile device in proximity to the base unit, and wherein a receiver coil or receiver thereby activated performs an initiation process whereby its ID, presence, power, voltage or other requirements are communicated to the base unit.05-16-2013
20130119929MULTI-DIMENSIONAL INDUCTIVE CHARGER AND APPLICATIONS THEREOF - A system and method for providing a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; and one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions. When a mobile device, such as a phone, computing device, camera, kitchen appliance, automobile, or other electrical or electronic device having one or more receiver coils or receivers associated therewith, is placed in proximity to the base unit, the transmitter coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device. In accordance with various embodiments, the base unit is provided within an automobile, for use in charging or powering one or more mobile devices within the automobile.05-16-2013
20130119930RESONANCE TYPE NON-CONTACT POWER SUPPLY SYSTEM - A resonance type non-contact power supply system that supplies power through a primary resonance coil and a secondary resonance coil. The resonance type non-contact power supply system includes power supplying equipment and movable body equipment. The power supplying equipment includes a primary coil unit, which is provided with the primary resonance coil, and a distance detector, which detects the distance between the primary and secondary resonance coils. The movable body equipment includes a switch and a terminal resistor. When the distance detector detects the distance, the switch connects the terminal resistor to the secondary coil unit and disconnects a rectifier and power storage device from a secondary coil unit. When the movable body equipment receives power, the switch connects the rectifier and the power storage device to the secondary coil unit and disconnects the terminal resistor from the secondary coil unit.05-16-2013
20130214734APPARATUS AND METHOD FOR WIRELESS CHARGING - An apparatus and a method for wireless charging are disclosed. The method includes transmitting a wireless power supply apparatus search signal, receiving a wireless power supply apparatus search response signal and recognizing multiple apparatuses for wirelessly supplying power, sending a request for wirelessly supplying power to a first apparatus, sending a request for cooperative charging to a second apparatus, and receiving first and second power from the first and the second apparatuses, respectively, and performing wireless charging according to reception of a cooperative charging permission signal from the second apparatus for wirelessly supplying power.08-22-2013
20130214731SELF-TUNING EXTERNAL DEVICE FOR WIRELESSLY RECHARGING IMPLANTABLE MEDICAL DEVICES - External device circuitry self-tunes so that current is being driven through a coil at a resonant frequency of the tank circuit including the coil. The self-tuning nature of the driver circuitry enables adaptation within a cycle to changes in the resonant frequency such as those due to changing loads on the coil from environmental factors. The self-tuning circuitry monitors the direction of current flow in the tank circuit so that during a non-driven phase of a two-phase cycle, the circuitry detects the current naturally changing directions and then activates the driver circuitry to drive current into the tank circuit in phase with the natural direction of current flow. Unity power factor is approximated while driving the coil despite changes in resonance. Power being driven into the tank circuit may then be measured at the approximation of unity power factor to control the amount of power being applied.08-22-2013
20110204846ELECTRONIC DEVICE - According to one embodiment, a note PC has a disk drive connected to a system board via a connector. A power receive coil is attached to the disk drive. Power produced by the power receive coil as a result of excitation of a power feed coil is fed to a power supply control circuit via an unused pin of the connector.08-25-2011
20120105000BATTERY PACK WITH A SECONDARY COIL ELECTROMAGNETICALLY RECHARGEABLE BY MAGNETIC INDUCTION EFFECT - A battery pack rechargeable by a magnetic induction effect incorporates a secondary coil electromagnetically coupled to a primary coil of a battery charger and a secondary battery rechargeable by electric power induced to the secondary coil. The secondary battery is in a form of a thin battery having a larger width than a thickness, and two opposing surfaces of the secondary battery are composed of a first flat surface and a second flat surface. The secondary coil is in a form of a planar coil with a wire material being spirally coiled in the plane. In the battery pack, the secondary coil in the form of the planar coil is fixedly layered on the first flat surface of the thin battery.05-03-2012
20120104999Multiple Coil System - Multiple coil systems and methods are disclosed in which transmitter and receiver inductors, or coils, are coupled in a configuration for wirelessly transferring data and/or power among them. In preferred implementations, the systems and methods are used for transmitting both power and data using pairs of coupled coils. One preferred aspect of the invention is that the coils are not permanently affixed in physical proximity to one another, but can be moved and/or interchanged.05-03-2012
20120104998NON-CONTACT POWER TRANSMISSION DEVICE - A non-contact power transmission device includes an alternating current power supply, a resonant system, a load, an impedance measuring section and an analyzing section. The resonant system has a primary coil connected to the alternating current power supply, a primary-side resonant coil, a secondary-side resonant coil and a secondary coil. The load is connected to the secondary coil. The impedance measuring section can measure the input impedance of the resonant system. The analyzing section analyzes the measurement results obtained from the impedance measuring section.05-03-2012
20120104997WIRELESS CHARGING DEVICE - Exemplary embodiments are directed to wirelessly charging a chargeable device. A device may include a receiver configured to receive a stored power status from an embeddable, chargeable device. The device may further include a transmitter configured to wirelessly transmit power to charge the embeddable, chargeable device based on the stored power status.05-03-2012
20110221388DETECTION AND PROTECTION OF DEVICES WITHIN A WIRELESS POWER SYSTEM - Exemplary embodiments are directed to detecting and limiting power transfer to non-compliant devices. A method may include detecting one or more non-compliant devices positioned within a charging region of a wireless power transmitter. The method may further include limiting an amount of power delivered to at least one of the one or more non-compliant devices.09-15-2011
20090134838CIRCULAR SELF-POWERED MAGNETIC GENERATOR - An improved power generation apparatus 05-28-2009
20090140691Wireless Multi-Charger System and Controlling Method Thereof - Disclosed are a wireless multi-charger system capable of saving the total charging time of a large number of wireless power transmission devices since one wireless multi-power transmission device includes a plurality of the wireless power transmission devices so that a large number of the wireless power transmission devices can be charged with electricity, and preventing the damage of the wireless power transmission devices and the wireless multi-power transmission device although foreign substances are put on charger blocks that are not charged. The wireless multi-charger system (A) according to the present invention includes an external body formed as a wireless charger case 06-04-2009
20090001931Battery cover - A battery cover suitable for being used to cover a battery groove of an electric appliance such as a game controller, a remote controller, a mobile phone, a multi-medium player, a wireless mouse, a flashlight, a PDA, a digital camera etc. to generate electric power in a wireless inducing mode, for charging chargeable batteries that can thus supply electric power for operation of an electric appliance. Therefore, when a user is desired to electrically charge the chargeable batteries, it needs not to take the chargeable batteries out of the electric appliance, but needs only to directly place the electric appliance in an effective wireless induction zone to make the battery cover generate electric power in a wireless inducing mode to charge the batteries.01-01-2009
20090251101HOLSTER FOR CHARGING PECTORALLY-IMPLANTED MEDICAL DEVICES - A holster that may be donned for charging a pectorally-implanted implantable medical device (IMD) on the patient's right or left side. The holster includes a torso strap that encircles a patient's torso. The torso strap includes first and second ends and an intermediate portion there between. A shoulder strap is provided that extends over either the right or left shoulder of a patient. The shoulder strap includes a holder to house at least an antenna portion of an external charging device used to charge the IMD. The shoulder strap includes first and second ends, at least one of which may be selectably positioned at any point along the intermediate portion of the torso strap to maintain the antenna of the recharger in close proximity to the IMD to reduce charge times.10-08-2009
20090096415RETENTION OF RECHARGEABLE DEVICES - There is disclosed a system and method for retaining portable rechargeable devices to recharging stations wherein one or other or both of the recharging station and the portable device are provided with connecting means adapted for temporary releasable connection of the two. This is particularly advantageous when used with recharging stations which permit the device to be recharged in multiple places on the recharging station, providing a positive means of retaining the device. This is particularly advantageous if the recharging station is to be used in a mobile environment such as a car, or on a wall or ceiling.04-16-2009
20120229082METHODS AND SYSTEMS FOR CHARGING AN ELECTRIC VEHICLE - An electric vehicle charging system is described. The electric vehicle charging system includes a plurality of electric vehicle charging apparatus coupled to, and configured to receive electric power from, a distribution transformer. The electric vehicle charging system also includes a central processing device configured to control operation of the plurality of electric vehicle charging apparatus.09-13-2012
20090015196Power Supply for Sensors and Other Electronic Devices - A power supply comprises at least one transformer that is placed around an active power line and is connected through at least one power conditioning system to provide a conditioned power source for at least one electronic device. Power is generated by scavenging power from the power being supplied on the power line. An asset-monitoring apparatus comprises a sensor package in communication with a monitoring system and a power supply that generates power for the sensor package, the power supply including a transformer placed close to the power line powering the asset being monitored and a power conditioning system that conditions the power supply for use by the sensor package. An optional energy storage device may receive power from the power conditioning system and provide primary or backup power for the sensor package or other electronic device.01-15-2009
20110221391METHOD FOR WIRELESS CHARGING USING COMMUNICATION NETWORK - A method for wireless charging of an electronic apparatus includes: requesting a server for information regarding chargeable electronic devices; receiving the information regarding chargeable electronic devices from the server; and performing charging with at least one electronic device.09-15-2011
20110221389WIRELESS POWER CHARGING METHOD AND APPARATUS FOR ELECTRONIC DEVICE - A bidirectional wireless charging method includes performing a mode change to a requesting electronic device if charging is necessary, requesting charging from at least one electronic device, receiving status information from the at least one electronic device that has received the charging request, selecting the electronic device based on the status information, and performing charging by receiving power supplied from the selected at least one electronic device.09-15-2011
20110221387SYSTEM AND METHOD FOR CHARGING AN ENERGY STORAGE SYSTEM FOR AN ELECTRIC OR HYBRID-ELECTRIC VEHICLE - A system and method for electrical charging is disclosed. The electrical charging system comprises a first charging coil and an energy storage device coupled to the first charging coil. The energy charging system further comprises an energy charging station comprising a second charging coil disposed on a movable positioner, wherein the second charging coil is coupleable to an electrical energy source, at least one drive mechanism configured to translate the movable positioned, and a system controller. The system controller is configured to detect an event indicative of a proximity of the first charging coil to the energy charging station, translate the movable positioner such that the second charging coil is substantially aligned with, and closely spaced apart from, the first charging coil to form an electrical transformer, and initiate a charging cycle configured to transfer electrical energy to the at least one energy storage device via the electrical transformer.09-15-2011
20110127954Battery with integrated wireless power receiver and/or RFID - A battery includes one or more rechargeable cells, a wireless power coil, a battery charger circuit, and may further include an RFID module. The wireless power coil is operable to generate an AC voltage from a wireless power electromagnetic field. The battery charger circuit is operable to generate a battery charge voltage from the AC voltage in accordance with a battery charge control signal and, when enabled, to charge the one or more rechargeable cells via the battery charge voltage. If the battery further includes the RFID module, it is operable to generate the battery charge control signal and communicate with a wireless power transmitter device.06-02-2011
20110140655ELECTRIC POWER CHARGE AND DISCHARGE SYSTEM - An electric power charge and discharge system for an electronic device having a battery, by which the electronic device can be used for a long period of time. In a wireless communication device including a wireless driving portion including a first battery and a wireless charging portion including a second battery, the first battery is charged by electric power from a fixed power supply and the second battery is charged by using electromagnetic waves existing in an external space. Further, the first battery and the second battery are discharged alternately, and during a period in which the first battery is discharged, the second battery is charged.06-16-2011
20110227530WIRELESS POWER TRANSMISSION FOR PORTABLE WIRELESS POWER CHARGING - Described herein are embodiments of a portable wireless power charger that includes a charging region including a high-Q source magnetic resonator configured to generate a magnetic near-field for coupling of wireless power to a wireless powered device including a high-Q receiver magnetic resonator, the high-Q source magnetic resonator substantially disposed around a perimeter of the charging region, and a cable for feeding input power to the high-Q source magnetic resonator.09-22-2011
20110227529Inductive Battery Charging Device for Use with a Surgical Sterilizer - A retrofitting, inductive-battery-charging device for use with a surgical sterilization device, comprising an inductive charging assembly and an inductively powered battery-charging platform that is sterilizable inside a surgical sterilization device and is operable to charge at least one rechargeable battery of a battery-operated surgical instrument when the rechargeable battery is placed at the platform. The inductive charging assembly comprises an inductive-power-supply sub-assembly electrically connected to a power supply and is operable to supply power inductively over a distance at least equal to a width of a wall of the surgical sterilization device, and an inductive-power-receiver sub-assembly that is sterilizable inside the surgical sterilization device and electrically coupled to the platform. The inductive-power-receiver sub-assembly is operable to supply charging power to the platform for charging the at least one rechargeable battery when placed at the platform, and to inductively receive electrical power from the inductive-power-supply sub-assembly at least over the distance.09-22-2011
20110227528ADAPTIVE MATCHING, TUNING, AND POWER TRANSFER OF WIRELESS POWER - Described herein are embodiments of a transmitter system for wireless power that may include a high-Q resonator that may include an inductive element and a capacitor that are collectively magnetically resonant at a first frequency, and a coupling loop assembly, that may include a first coupling loop part adjustably connected to said high-Q resonator. Another embodiment of the transmitter system for wireless power may include a first high-Q magnetic resonator that may include an inductive element and a capacitor that are collectively magnetically resonant at a first frequency, said first high-Q magnetic resonator positioned for wirelessly supplying power to devices on the ground.09-22-2011
20130214735WIRELESS CHARGING APPARATUS AND METHOD - A wireless charging apparatus and method are provided. The method includes transmitting a power supplying device search signal by a wireless power receiving device; recognizing a plurality of power supplying devices by receiving power supplying device search response signals; sending a power supply request to a first power supplying device among the plurality of power supplying devices; sending a power supply request to a second power supplying device upon receiving a charging rejection signal from the first power supplying device; and performing wireless charging by receiving power from the second power supplying device upon receiving a charging permission signal from the second power supplying device.08-22-2013
20130214732WIRELESS POWER AND DATA APPARATUS, SYSTEM AND METHOD - Wireless charging and data communication are effected. In accordance with various example embodiments, a transceiver-type circuit wirelessly charges portable devices, such as hand-held telephones via wireless signals, and also wirelessly communicates data with remote transponders. The data communication is carried out to facilitate authentication of the remote transponders and may, for example, be limited relative to a power-carrying capability of the transponders. Such aspects may be implemented, for example, in a transceiver for both transponder-based operation and (high-power) wireless charging applications in vehicle-based circuits.08-22-2013
20090001932POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, NON-CONTACT POWER TRANSMISSION SYSTEM, AND ELECTRONIC INSTRUMENT - A power-transmission-side control circuit causes a power transmission device to perform temporary power transmission when a switch provided in a power-transmission-side instrument has been turned ON, and performs ID authentication based on ID authentication information. The power-transmission-side control circuit detects the presence or absence of a foreign object during normal power transmission by monitoring a change in induced voltage in a primary coil, causes the power transmission device to stop temporary power transmission when the ID authentication information from the power reception device has not been received within a given period of time, causes the power transmission device to stop temporary power transmission when the ID authentication has failed, and causes the power transmission device to stop normal power transmission when removal, a metal foreign object, a takeover state, or a full-charge state has been detected after normal power transmission has started.01-01-2009
20090200985Systems and Methods for Receiving and Managing Power in Wireless Devices - Exemplary systems and methods are provided for collecting/harvesting direct current (DC) power received from a power source(s). The system comprises a controlled impedance power controller comprises a power converter configured to present a positive equivalent resistive load to the at least one power source over a range of input power levels. Exemplary systems and methods are provided for collecting radio frequency (RF) power. An exemplary system comprises at least two rectenna elements, a power controller, and a DC combining circuit. The DC combining circuit is associated with the at least two rectenna elements and the DC combining circuit is configured to dynamically combine the at least two rectenna elements in one of a plurality of series/parallel configurations. The power controller is configured to control the DC combining circuit to achieve a desired overall power output from the at least two rectenna elements.08-13-2009
20090108805LOCALIZED CHARGING, LOAD IDENTIFICATION AND BI-DIRECTIONAL COMMUNICATION METHODS FOR A PLANAR INDUCTIVE BATTERY CHARGING SYSTEM - Methods and principles are described for systematizing localized charging, load identification and bi-directional communication in a planar battery charging system. Also described is control circuitry for selectively energizing a primary winding when a load is placed on the platform. The optimization of the size of the receiver winding compared to the transmitter winding is discussed, while the associated communication methods include techniques for load identification, compatibility checks, hand-shaking and communication of charging status.04-30-2009
20090001929WIRELESS CHARGING DEVICE WITH REFLECTED POWER COMMUNICATION - Disclosed is a wireless charging device for charging electronic devices placed in a docking area of the wireless charging device. The wireless charging device includes an inductive coupler, a reflected power detector, a power source and a power control system. The inductive coupler is configured to charge at least one electronic device present in the docking area. The inductive coupler takes power form the power source. The inductive coupler is also configured to communicate with the electronic device to exchange a set of information. The reflected power detector is operably coupled to the inductive coupler and identifies the set of information exchanged by the inductive coupler. The power control system is operably coupled to the reflected power detector and the power source. The power control system controls the charging of the electronic device by the power source based on the set of information identified by the reflected power detector.01-01-2009
20090001930Electronic apparatus and associated methods - An apparatus for receiving electromagnetically induced current, the apparatus comprising an antenna element for receiving electromagnetically induced current in a first apparatus operating mode, and also for near field communication in a second apparatus operating mode, wherein the apparatus comprises circuitry for switching the apparatus from the second apparatus operating mode to the first apparatus operating mode based on near field communication signalling received via the antenna element in the second apparatus operating mode.01-01-2009
20090021212COIL UNIT AND ELECTRONIC INSTRUMENT - A coil unit includes a planar coil that has a transmission side and a non-transmission side, a magnetic sheet provided over the non-transmission side of the planar coil, and a heat sink/magnetic shield plate stacked on a side of the magnetic sheet opposite to a side that faces the planar coil, the heat sink/magnetic shield plate dissipating heat generated by the planar coil and shielding magnetism by absorbing a magnetic flux that has not been absorbed by the magnetic sheet. The heat sink/magnetic shield plate has a thickness larger than that of the magnetic sheet.01-22-2009
20090212737INDUCTIVELY COUPLED SHELVING AND STORAGE CONTAINERS - Inductively coupled shelving units and storage containers with integrated primary coils, as well as inductively coupled systems for storing and charging tools, are provided. Power is inductively coupled from a primary coil to a device containing a secondary coil. Primary coils may be integrated into a shelving unit to charge devices stored on the shelving unit. Primary coils may similarly be integrated into a storage container. Inductively coupled shelving units may also be configured to receive and hold an inductively coupled storage container such as a toolbox. An integrated secondary coil in the toolbox receives power inductively coupled from a primary coil in a shelving unit. Integrated primary coils in the toolbox then inductively couple the received power to secondary coils in individual devices. Integrated primary coils may provide varying amounts of power.08-27-2009
20090243541METHOD AND APPARATUS FOR RECHARGING BATTERY OF MOBILE STATION USING ELECTROMAGNETIC RESONANT WAVE - A method and apparatus for recharging a battery of a mobile station are provided which can re-receive a signal emitted from an electromagnetic resonant circuit and automatically recharge the battery having the smallest remaining amount sequentially when a quantity of electric charges remaining in the battery is equal to or less than a reference value while the mobile station is utilizing a mobile communication service. The method includes the steps of: radiating the signal emitted from the electromagnetic resonant circuit; re-receiving the signal emitted from the electromagnetic resonant circuit; activating a conversion of power of the re-received signal; and charging the battery on the basis of a signal obtained by rectifying the re-received signal in accordance with the conversion of power.10-01-2009
20090102419WIRELESS CHARGER DECREASED IN VARIATION OF CHARGING EFFICIENCY - A wireless charger charges a storage battery of a portable electronic device in a wireless manner (non-contacting or contact-less) so that a variation of charging efficiency is not serious though the storage battery is placed any position of the wireless charger. The wireless charger is provided with a primary coil for generating a magnetic field so as to charge a subject, which is provided with a secondary coil, by means of inductive coupling with the secondary coil. The primary coil includes an outer coil arranged with a predetermined winding number and a predetermined size; and at least one inner coil arranged to be included inside the outer coil. The outer coil and the inner coil are arranged so that, when a primary current is applied to the outer coil and the inner coil, magnetic fluxes generated in the outer coil and the inner coil are formed in the same direction.04-23-2009
20100270970DEVICE HOUSING A BATTERY AND CHARGING PAD - The charging pad 10-28-2010
20100270969WIRELESS CHARGER AUTHENTICATION SYSTEM AND METHOD THEREOF - A wireless charger authentication system includes an electronic device and a wireless charger. The electronic device includes an emitting module configured for producing an unauthenticated signal and a modulating module configured for modulating the unauthenticated signal into a high-frequency signal. The wireless charger includes a source signal produced by a power supply, a mixing module, an analyzing module, a comparing module and a triggering module. The mixing module is configured for mixing the high-frequency signal and the source signal to get a recognized signal. The analyzing module is configured for analyzing the parameters of the recognized signal. The comparing module predetermines a number of preset parameter values and is configured for comparing the parameters with the preset parameter values. The triggering module is configured for triggering the wireless charger to charge the electronic device if the parameters of the recognized signal are substantially equal to the preset parameter values.10-28-2010
20090256521Charging control device - A charging control device includes a control unit and a monitoring unit. The control unit performs at least one of controlling charging to a rechargeable battery and monitoring a state of a rechargeable battery, while outputting a state signal which indicates an operation state of the control unit. The monitoring unit determines whether or not the operation state of the control unit is a predesignated specified operation state based on the state signal outputted from the control unit.10-15-2009
20110140653Non-Contact Charging Station with Power Transmission Planar Spiral Core, Non-Contact Power-Receiving Apparatus, and Method For Controlling the Same - A non-contact charging station with a planar-spiral power transmission core, a non-contact power-receiving apparatus, and a method for controlling the same. A primary core of the non-contact charging station transmitting a power signal to a portable device using an induced magnetic field and a secondary core of the non-contact power-receiving apparatus are configured as a power transmission Printed Circuit Board (PCB) core in which a planar-spiral core structure is formed on a core base. The power transmission PCB core has a simplified shape along with improved applicability that facilitates its mounting on a non-contact charger. In addition, the receiving core has a reduced volume to reduce the entire size of the power-receiving apparatus so that it can be easily mounted onto a portable device.06-16-2011
20100156344POWER RECEIVER, AND ELECTRONIC APPARATUS AND NON-CONTACT CHARGER USING SAME - An electronic apparatus (06-24-2010
20100156343Wireless Charger System For Battery Pack Solution And Controlling Method Thereof - There is provided a wireless charger system for a battery pack solution that is provided so that a wireless charger system composed of a wireless charger apparatus and a battery pack can supply a power source to a portable terminal block through the wireless power transmission. The wireless charger apparatus 06-24-2010
20120194127POWER STORAGE APPARATUS - A storage apparatus comprises a plurality of storage cells connected in series. Each storage cell comprises a storage element that stores a charge, a container that houses the storage element, a reception antenna capable of receiving power transmitted from a transmission antenna of a feeding facility provided in a wireless power transfer system, and a charging control circuit that charges the storage element using the power received by the reception antenna. The plurality of storage cells are charged concurrently and wirelessly, and therefore charging can be performed on all of the storage cells without overcharging or undercharging.08-02-2012
20100156347Wireless charging system and method - A wireless charging system can optimize charging efficiency regardless of a location of a mobile terminal. The wireless charging system wirelessly charges a mobile terminal using electromagnetic induction between a first coil included in a charging pad and a second coil included in the mobile terminal. The charging pad can detect a location of the mobile terminal on the charging pad. The charging pad can move the first coil to correspond to the detected location of the mobile terminal; and supply power to the first coil and charging a battery.06-24-2010
20100156345Systems, Apparatus and Devices for Wireless Charging of Electronic Devices - Disclosed are systems, apparatus and devices for wireless charging of electronic devices that include magnets in close proximity to primary and secondary inductive charging coils to move the coils within close proximity and within axial alignment to one another. The system includes a charging apparatus including a first coil having within close proximity a first magnet, the primary coil and magnet together capable of moving within the charging apparatus in accordance with magnetic attraction. A battery charging device includes a secondary coil having within close proximity a second magnet. The magnets can attract so that the coils are moved close together. In this way the respective coils are coupled so that inductive charging may be provided. An engagement structure of the charging apparatus can help to maintain the first coil in a particular orientation within the charging apparatus so that the alignment of the coils is optimized.06-24-2010
20100156346RESONANCE-TYPE NON-CONTACT CHARGING APPARATUS - A resonance type non-contact charging apparatus is disclosed. A charger of the apparatus receives the high frequency power from a secondary side resonance coil of the apparatus. A power ratio detecting section of the apparatus detects the ratio of the reflected power from a primary side resonance coil to the high frequency power source with respect to the output power from the high frequency power source to the primary side resonance coil. A stop control section of the apparatus stops the high frequency power source when the ratio detected by the power ratio detecting section becomes greater than or equal to a predetermined threshold value.06-24-2010
20100181964WIRELESS POWER DISTRIBUTION SYSTEM AND METHOD FOR POWER TOOLS - A wireless power distribution system and method for power tools. The system includes a power transmitter and a plurality of power harvesters or receivers. The receivers are located in power tools, battery packs that are attachable to and detachable from the power tools, or a device or case that is interfaceable with the power tool or battery pack. The power transmitter transmits radio frequency (“RF”) power signals to the receivers that are within transmission range of the power transmitter. The receivers receive the RF power signals and convert the RF power signals into direct current. The direct current is used to charge a battery, directly power a tool, or both.07-22-2010
20090079386ELECTRICAL RECHARGER UNIT - An electrical recharger unit (03-26-2009
20100001685AUTOMATIC COUPLING OF AN ALTERNATING CURRENT POWER SOURCE AND AN INDUCTIVE POWER APPARATUS TO CHARGE A TARGET DEVICE BATTERY - Several methods and systems to perform automatic coupling of an alternating current power source and an inductive power apparatus to charge a target device battery are disclosed. In an embodiment, an inductive battery charging system includes a connection module to determine when a target device is coupled to a charging apparatus comprised of an inductive power apparatus. The system further includes a monitoring module to determine when a target device battery is below a charging threshold while using power from a supplemental power source. In addition, the system includes an activation module to automatically couple the inductive power apparatus and an alternating current power source when a power level of the target device battery is below the charging threshold.01-07-2010
20100001684LIMITATION OF VAMPIRIC POWER CONSUMPTION WITH DECOUPLING OF AN INDUCTIVE POWER APPARATUS AND AN ALTERNATING CURRENT POWER SOURCE - Several methods and systems to perform limitation of vampiric power consumption with decoupling of an inductive power apparatus and an alternating current power source is disclosed. In an embodiment, an inductive battery charging system includes an inductive power apparatus that provides power to a target load when the inductive power apparatus is coupled to an alternating current power source. The system further includes an observation circuit to determine a power consumption associated with the target load, and a detection circuit to determine when a power consumption reaches a threshold level. The system also includes a separation circuit to decouple the inductive power apparatus and the alternating current power source when the power consumption is lower than a threshold level to limit vampiric power consumption of the inductive power apparatus.01-07-2010
20100001683CHARGING APPARATUS, PORTABLE ELECTRONIC DEVICE USING THE APPARATUS, AND CHARGING METHOD THEREOF - A charging apparatus includes an antenna, a receiver, and a battery. The battery is charged by a harvester, which converts wireless energy sent by antenna to direct current and charges the battery. The harvester includes a sensor coil, a rectifier and voltage regulating filter. The wireless energy is converted by the sensor coil to alternating current (AC). The rectifier is electrically connected to the sensor coil for converting AC to direct current (DC). The voltage regulating filter is electrically connected to the rectifier to regulate DC. The battery can be charged by the wireless charge apparatus.01-07-2010
20100188041APPARATUS SUPPLYING ELECTRIC POWER TO EXTERNAL DEVICE - An apparatus includes: a plurality of power supplying units configured to supply electric power to external devices with a battery in a non-contact manner; an acquisition unit configured to acquire information about a power receiving state, the information indicating whether the plurality of external devices receive electric power; and an identification unit configured to identify the external devices to which the plurality of power supplying units supply electric power based on the information about the acquired power receiving state.07-29-2010
20100259214WIRELESS CHARGING SYSTEM - A wireless charging system charging an electronic device wirelessly via electromagnetic induction between a number of transmitting coils formed in the wireless charging system and a receiving coil formed in the electronic device. The wireless charging system selects the transmitting coil aligned with the receiving coil most accurately for transmitting electromagnetic energy in order to improving the energy conversion efficiency between the transmitting coil and the receiving coil.10-14-2010
20130214733BATTERY EQUALIZATION CIRCUITS FOR SERIES CHARGING/DISCHARGING AND CONTROLLING METHODS THEREOF - Battery equalization circuits for series charging/discharging and controlling methods thereof are provided. The provided circuit includes a set of series-connected batteries, a switching converter and a magnetic element coupled balance circuit including a magnetic element coupled to the switching converter, wherein the magnetic element takes a branch current from the switching converter to the series-connected batteries so as to cause the set of series-connected batteries to reach a balance.08-22-2013
20130214736APPARATUS AND METHOD FOR HARVESTING POWER FROM AN OVERHEAD TRANSMISSION CONDUCTOR - An apparatus and method of harvesting power for charging batteries of a robot traversing an overhead transmission conductor is disclosed. The apparatus is adapted to harvest power from the overhead transmission conductor and provide a DC voltage for charging a battery and includes a first shield wire bonded to a structure that is grounded to the earth, a second shield wire isolated from the structure, and a charging station. The first shield wire, second shield wire, structure, and earth form a loop into which induced currents flow. The charging station is electrically connected to the second shield wire and adapted to convert induced currents flowing along the second shield wire into a DC voltage for charging a battery of the charging station.08-22-2013
20100013431Inductively Powered Sleeve For Mobile Electronic Device - There is disclosed a sleeve for holding a portable electronic device such as an MP3 player, mobile telephone, PDA and the like. The sleeve is provided with an integrally formed secondary winding that enables the sleeve to pick up magnetic flux from an inductive charging platform and associated circuitry for generating a DC charging voltage that can be used to charge a battery in the device while the device is received within the sleeve. The sleeve is formed with a connector designed to fit a power/data connection socket in the device, and may also be provided with a connection port enabling the device to be connected to a computer while it is received within the sleeve.01-21-2010
20130187596LIMITATION OF VAMPIRIC ENERGY LOSS WITHIN A WIRELESS INDUCTIVE BATTERY CHARGER - Vampire energy loss occurs when an electronic or mechanical machine consumes energy while not being utilized for any useful purpose. Vampire energy losses in consumer electronic devices are under intense scrutiny for needlessly wasting an estimated 20% of the electric power production in the United States. It is also estimated by the US Department of Energy that by 2015 vampire electronics could be responsible for nearly 30 percent of the total household power consumption in the United States. Smarter vampire proof technologies are needed to address this growing problem.07-25-2013
20100277120PARASITIC DEVICES FOR WIRELESS POWER TRANSFER - Exemplary embodiments are directed to wireless power transfer. A method may include wirelessly receiving power from a near field in a first near field coupling mode region with at least one parasitic antenna coupled to a housing having a chargeable device positioned therein. The method may further include generating an enhanced near field from the near field with the at least one parasitic antenna and wirelessly receiving power from the enhanced near field at an at least one receive antenna coupled to the chargeable device.11-04-2010
20100237827CHARGING SYSTEM AND ELECTRONIC DEVICE - A charging system for charging a rechargeable battery in an electronic device includes a charging generator, a receiver and at least one magnetic core. The charging generator includes a first coil. The receiver includes a second coil magnetically coupled to the first coil, and a charging module electrically connecting the second coil to the rechargeable battery. The charging module is configured for charging the rechargeable battery using current induced in the second coil. The at least one magnetic core is sleeved by the first coil or by the second coil.09-23-2010
20100244767MAGNETIC INDUCTIVE CHARGING WITH LOW FAR FIELDS - A charging station wirelessly transmits power to mobile electronic devices (MEDs) each having a planar-shaped receiver coil (RC) and a capacitor connected in parallel across the RC. The station includes a planar charging surface, a number of series-interconnected bank A source coils (SCs), a number of series-interconnected bank B SCs, and electronics for energizing the SCs. Each SC generates a flux field perpendicular to the charging surface. The bank A and bank B SCs are interleaved and alternately energized in a repeating duty cycle. The coils in each bank are also alternately wound in a different direction so that the fields cancel each other out in a far-field environment. Whenever an MED is placed in close proximity to the charging surface, the fields wirelessly induce power in the RC. The MEDs can have any two-dimensional orientation with respect to the charging surface.09-30-2010
20100213895WIRELESS POWER CHARGING TIMING AND CHARGING CONTROL - Exemplary embodiments are directed to timing and control of wireless power transfer. A wireless power charging device includes at least one transmitter and a processor in communication with the at least one transmitter. The transmitter is configured for transmitting wireless power to one or more electronic devices, and the processor is configured to deactivate the transmitter during a pre-determined time interval. The charging device may include charging modes that a user may select between from an interface of the charging device. Charging modes may be related to times of operation such as those based on a user schedule, based on energy rates, or with modes programmed by a user. A charging schedule may be created by a user through the interface of the charging device or from an external device in communication with the charging device.08-26-2010
20100225273Electromechanical Vampire Proof Battery Charger - Vampire energy loss occurs when an electronic or mechanical machine or device consumes energy while not being utilized for the purpose of its existence. An electromechanical switching method is provided to eliminate vampire energy loss in battery chargers. The switching method includes a short circuit which is created and eliminated by disconnecting and plugging in a target device to the charger thus consequently applying force to a push button switch. There is no hardware support circuitry required from target devices.09-09-2010
20100213894RECHARGING DEVICE AND RECHARGING SYSTEM USING SAME - A recharging system for wireless charging comprising an electronic device and a recharging device. The electronic device comprises a first electromagnetic induction device and a rechargeable battery. The recharging device comprises a detection layer, a second electromagnetic induction device, and a driving device. The detection layer is configured for detecting the position of the electronic device. The driving device drives the second electromagnetic induction device to align with the first electromagnetic induction device. The second electromagnetic induction device is configured for inducing a current in the first electromagnetic induction device.08-26-2010
20100259217SELECTABLE COIL ARRAY - An inductive wireless power system using an array of coils with the ability to dynamically select which coils are energized. The coil array can determine the position of and provide power to one or more portable electronic devices positioned on the charging surface. The coils in the array may be connected with series resonant capacitors so that regardless of the number of coils selected, the resonance point is generally maintained. The coil array can provide spatial freedom, decrease power delivered to parasitic loads, and increase power transfer efficiency to the portable electronic devices.10-14-2010
20100253281WIRELESS POWER TRANSMISSION SCHEDULING - Exemplary embodiments are directed to wireless power transmission scheduling. A method may include scheduling for transmission of wireless power to one or more chargeable devices of the plurality of chargeable devices positioned within a charging region of a wireless charger based on at least one attribute associated with at least one of the wireless charger and at least one chargeable device of the plurality of chargeable devices.10-07-2010
20110057610WIRELESS POWER STORAGE DEVICE, SEMICONDUCTOR DEVICE INCLUDING THE WIRELESS POWER STORAGE DEVICE, AND METHOD FOR OPERATING THE SAME - To simplify charging of a battery in a power storage device which includes the battery. Further, to provide a wireless power storage device which can transmit and receive information without the task of replacing a battery for drive power supply, which becomes necessary when the battery depletes over time, being performed. An antenna circuit, a battery which is electrically connected to the antenna circuit via a rectifier circuit, and a load portion which is electrically connected to the battery are provided. The battery is charged when an electromagnetic wave received by the antenna circuit is input to the battery via the rectifier circuit, and discharged when electrical power which has been charged is supplied to the load portion. The battery is charged cumulatively, and the battery is discharged in pulses.03-10-2011
20110057609Method for Battery Surgical Sterilization While Charging - A method for simultaneously surgically sterilizing and charging a battery, which comprises providing an inductively powered battery charger inside a selectively sealable surgical sterilization enclosure of a surgical sterilization device. The surgical sterilization device is operable to surgically sterilize at least one rechargeable battery of a battery-operated surgical instrument placed therewithin. The charger has an inductive power receiver sub-assembly operable to receive power inductively and to supply charging power to the at least one rechargeable battery. The at least one rechargeable battery is electrically charged while being surgically sterilized by supplying power inductively from a power supply positioned outside the surgical sterilization enclosure to the inductive power receiver sub-assembly through the surgical sterilization enclosure.03-10-2011
20110057608Surgical Sterilizer with Integrated Battery Charging Device - A device for sterilizing and charging a battery of a surgical instrument, comprising a surgical sterilization device that has a sealable sterilization enclosure and is operable to surgically sterilize a rechargeable battery of a battery-operated surgical instrument when the battery is sealed in the sterilization enclosure. An inductively powered battery-charging platform is also disposed inside the sterilization enclosure and has a charger that conductively charges the battery when the battery is placed at the charger. A power receiver sub-assembly that is electrically coupled to the charger receives electrical power inductively from a power supply that is disposed outside the sterilization enclosure. Thus, the battery is charged without breaching the sealed sterilization enclosure and simultaneously while the battery is being sterilized.03-10-2011
20100127659PORTABLE ELECTRONIC APPARATUS, AND CHARGING SYSTEM - A charging system for a portable electronic device is disclosed. The system comprises a charging station providing a magnetic field for power distribution by an alternating current source connected to a power transmission coil for providing the magnetic field, and the portable electronic device. The portable electronic device comprises a radio receiver; a charging mechanism for charging a battery of the portable electronic device; and an antenna arrangement for the radio receiver, wherein the charging mechanism comprises a first coil arranged to interact with the power transmission coil of the charging station upon charging; a rectifier connected to the first coil to receive an alternating current therefrom and to a power supply output to provide a direct current, and the antenna arrangement comprises an antenna element comprising the first coil; a resonator tuned for a frequency band in which the radio receiver is intended to receive radio transmissions; a series resonance circuit comprising a capacitor and a second coil connected in series between one terminal of the first coil and a reference voltage of the portable apparatus.05-27-2010
20100259216CONTACTLESS BATTERY CHARGING DEVICE AND PROCESS - To recharge the battery of a portable object communicating with a reader establishing communication over a modulated electromagnetic field, a recharging process is proposed. The portable object sends at least one waiting message to the reader. The said waiting message tells the reader a waiting time WTXM before the next message. The portable object uses energy from the electromagnetic field to recharge its battery during the waiting period.10-14-2010
20120194125CONTACTLESS POWER TRANSMISSION DEVICE - A contactless power transmission device which transmits electric power in a contactless way includes: a power transmission section which transmits electric power using a primary coil; a power receiving section which is provided in a radio communication device and receives electric power using a secondary coil that is electromagnetically coupled with the primary coil; a housing which shields an electromagnetic wave, in which the power transmission section is provided, and which forms a closed space where the radio communication device is housed; and a housing antenna section which is provided in the housing and transmits a first communication signal to the outside of the housing, or transmits a second communication signal to the inside of the housing, the first communication signal being emitted from the radio communication device housed inside the housing, the second communication signal being emitted from the radio communication device housed outside the housing.08-02-2012
20120194124Wireless Battery Charging System - In accordance with the exemplary embodiments of the invention there is at least a method, apparatus, and executable computer program to perform operations including transferring power received at a coil of a wireless charging receiver to a wireless receiver block of the wireless charging receiver, the transferred power being used to provide a charge to a portable device attached to the wireless charging receiver, receiving a signal from the portable device, the signal comprising an indication that the portable device no longer requires the charge, and in response to the signal, automatically opening a connection between the coil and the wireless receiver block to stop the transferring of the power. Further in accordance with the exemplary embodiments of the invention there is determining at a portable device that a charging current received over a particular type of charging interface from a wireless charging receiver is no longer required, and in response to the determining, the portable device modifying a data transaction signal associated with the particular type of charging interface and sending the modified data transaction signal to the wireless charging receiver to indicate to the wireless charging receiver that the charging current is no longer required.08-02-2012
20110127953WIRELESS POWER SYSTEM - A wireless power system includes a primary device and a secondary device. The primary device includes a power conversion unit, a function module, and a transceiver. The peripheral device includes a wireless power receiver circuit, a peripheral transceiver, and a peripheral unit. The power conversion unit converts a power source into an electromagnetic signal. The functional module executes a function regarding peripheral information. The transceiver communicates information regarding the electromagnetic signal and the peripheral information. The wireless power receiver circuit converts the electromagnetic signal into a voltage. The peripheral transceiver communicates the information regarding the electromagnetic signal and the peripheral information. The peripheral unit processes the peripheral information.06-02-2011
20090278492CHARGING SYSTEM - A charging system that significantly increases the anti-theft capability of a charging subject. The charging subject includes a rechargeable battery. The rechargeable battery of the charging subject is connected to a power supply of a house by power lines. An authentication management device performs authentication of the charging subject by communicating with the charging subject through the power lines and permits charging of the rechargeable battery with the power supply of the house only when the authentication is established.11-12-2009
20090273311Charging System for an Article of Footwear - An article of footwear and a footwear housing is disclosed. The footwear housing includes a charging station that can be used to charge a battery in the footwear housing.11-05-2009
20090072784Inductive charger battery replacement system, device & method - The invention is a device and system for providing power to a portable electronic device. A battery unit includes a rechargeable battery and is configured to be removably secured to a portable electronic device to provide power thereto. A base unit is configured to receive and charge one or more battery units, either alone or with the battery units secured to portable electronic devices. The battery unit includes a battery charge indicator, which can be a visible signal. An optical bath is defined through the base unit to transmit the visible signal of the battery unit to a base unit battery charge display.03-19-2009
20090072783Inductively charged vapor-emitting device - An inductively charged vapor-emitting device for dispensing a volatizable material into the surrounding environment is described. The inductively charged vapor-emitting device includes an inductive coil including a magnetic core mounted in a housing and coupled to at least one rechargeable power source mounted within the housing. The inductive coil configured to inductively receive electric power from a remote power source to recharge the at least one rechargeable power source.03-19-2009
20080303480Transcutaneous charging device - A transcutaneous charging device for charging an implant comprising: 12-11-2008
20110031927CHARGING SYSTEM WITH GALVANIC ISOLATION AND MULTIPLE OPERATING MODES - Systems and methods are provided for operating a charging system with galvanic isolation adapted for multiple operating modes. A vehicle charging system comprises a DC interface, an AC interface, a first conversion module coupled to the DC interface, and a second conversion module coupled to the AC interface. An isolation module is coupled between the first conversion module and the second conversion module. The isolation module comprises a transformer and a switching element coupled between the transformer and the second conversion module. The transformer and the switching element are cooperatively configured for a plurality of operating modes, wherein each operating mode of the plurality of operating modes corresponds to a respective turns ratio of the transformer.02-10-2011
20110031928Soldier system wireless power and data transmission - An inductively coupled power and data transmission system include a main power source, apparel having an electrical conductor in electrical communication with the main power source, the apparel having a first inductively couplable power and data transmission sub-system to regulate power to the primary coil or coils and transmission of power and data by the primary coil or coils and reception of data by the primary coil or coils, and an independent device having a second inductively couplable power and data transmission sub-system so as to regulate reception of power and data by the secondary coil or coils and transmission of data from a secondary processor by the secondary coil or coils. The first and second primary coils transfer said power and data during inductive coupling, at electromagnetic radiation frequencies, between the first primary coil or coils and the secondary coil or coils.02-10-2011
20100219791CONTACT-LESS POWER TRANSFER - There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least one conductor that generates an electromagnetic field when a current flows therethrough and having an charging area defined within a perimeter of the surface, the at least one conductor being arranged such that electromagnetic field lines generated by the at least one conductor are substantially parallel to the plane of the surface or at least subtend an angle of 45° or less to the surface within the charging area; and at least one secondary device including at least one conductor that may be wound about a core. Because the electromagnetic field is spread over the charging area and is generally parallel or near-parallel thereto, coupling with flat secondary devices such as mobile telephones and the like is significantly improved in various orientations thereof.09-02-2010
20100295505MOBILE TERMINALS AND BATTERY PACKS FOR MOBILE TERMINALS - Various embodiments of a battery pack, a mobile terminal having such a battery pack, and related methods are disclosed. In one exemplary embodiment, a battery pack for a mobile terminal may include a battery cell, a temperature sensor configured to measure a temperature of the battery cell, a charge detector configured to detect whether the battery cell is charged above a predetermined level, and a first connector terminal configured to electrically connect to the mobile terminal.11-25-2010
20100301801Device for Mechanically and Electrically Connecting a Portable, Battery-Operated Apparatus and Portable, Battery-Operated Apparatus - A device is provided for mechanically and electrically connecting a portable, battery-operated apparatus in order to operate the apparatus and/or to charge its battery. The device includes a receiving area for the apparatus as well as a first coil arrangement, which is disposed on, in or under the receiving area and which is designed for interaction with a second coil arrangement of the apparatus, when the apparatus is disposed in a predefined position on the receiving area. Finally, the device exhibits a first coupling element, which, in interaction with a second coupling element of the apparatus, the apparatus can be moved into the predefined position after being placed on the receiving area. The first coupling element exhibits at least a first component, which is designed for magnetic coupling with a respective second component of the apparatus.12-02-2010
20100308767METHOD AND SYSTEM FOR DISTRIBUTED BATTERY CHARGING UTILIZING LEAKY WAVE ANTENNAS - Methods and systems for distributed battery charging utilizing leaky wave antennas (LWAs) are disclosed and may include receiving RF signals in a wireless device from one or more wireless devices via one or more LWAs, generating power within the first wireless device from the received RF signals, and charging one or more batteries utilizing the generated power. A resonant frequency of the LWAs may be configured utilizing micro-electro-mechanical systems (MEMS) deflection. The LWAs may be configured to receive the RF signals from a desired direction. The LWAs may comprise microstrip or coplanar waveguides, wherein a cavity height of the LWAs is dependent on spacing between conductive lines in the waveguides. The LWAs may be integrated in one or more integrated circuits, integrated circuit packages, and/or printed circuit boards. The packages may be affixed to one or more printed circuit boards and the integrated circuits may be flip-chip-bonded to the packages.12-09-2010
20110127951DEVICE WITH INTEGRATED WIRELESS POWER RECEIVER - A device includes an integrated power receive circuit, a battery charger, a battery, a processing module, one or more input/output modules, and one or more circuit modules. The integrated power receive circuit is operable to generate a DC voltage from a received magnetic field in accordance with a control signal. The battery charger is operable to convert the DC voltage into a battery charge voltage. The battery is coupled to the battery charger in a first mode and is coupled to supply power in a second mode. The processing module is operable to: generate the control signal based on desired electromagnetic properties of at least one of the received magnetic field and the integrated power receive circuit; process outbound data to produce processed outbound data; and process inbound data to produce processed inbound data.06-02-2011
20120242286RESONANCE TYPE NON-CONTACT CHARGING DEVICE - A resonance type non-contact charging device includes a high frequency power source, a primary side resonant coil, a secondary side resonant coil, a charger, a secondary battery, and a stop control unit. The primary side resonant coil receives supply of high frequency electric power from the high frequency power source. The secondary side resonant coil is arranged apart from the primary side resonant coil in a non-contact manner. The secondary side resonant coil receives electric power from the primary side resonant coil through magnetic field resonance between the primary side resonant coil and the secondary side resonant coil. The charger receives supply of high frequency electric power from the secondary side resonant coil. The secondary battery is connected to the charger. The stop control unit stops the high frequency power source before stopping the charger when charging is to be stopped.09-27-2012
20110248674INDUCTIVE POWER SUPPLY WITH DEVICE IDENTIFICATION - An inductive power supply system to identify remote devices using unique identification frequencies. The system includes an AIPS and a tank circuit capable of inductively providing power to a remote device at different frequencies, and a sensor for sensing the reflected impedance of the remote device at tank circuit. The system further includes a plurality of different remote devices, each having a unique resonance frequency. In operation, the AIPS is capable of identifying the type of remote device present in the inductive field by applying power to a remote device at a plurality of unique identification frequencies until the remote device establishes resonance in response to one of the identification frequencies. The AIPS includes a controller that recognizes when resonance has been established by evaluating sensor data, which is representative of the reflected impedance of the remote device. Once the identity of a remote device is determined, the AIPS may pull operating parameters for the remove device from memory to ensure efficient operation and to assist in recognizing fault conditions.10-13-2011
20130141037APPARATUS FOR WIRELESS DEVICE CHARGING USING RADIO FREQUENCY (RF) ENERGY AND DEVICE TO BE WIRELESSLY CHARGED - An apparatus for wireless charging using radio frequency (RF) energy includes a first charger portion having first and second charging areas. The first and second charging areas are located in a common plane, each having at least one coil for wirelessly charging a charge-receiving device placed in proximity thereto. The coils include respective windings, which are wound in opposing directions, each coil being connected in series, each coil configured to charge at least one charge-receiving device. A second charger portion has a third charging area having at least one coil including a winding for wirelessly charging a charge-receiving device placed in proximity to the third charging area, the coil in the third charging area being connected in series with the coils in the first and second charging areas, the third charging area located in a plane that is orthogonal to the plane of the first and second charging areas.06-06-2013
20110012556Wireless Chargeable Game Device - A wireless chargeable game device of the present invention comprises a body and a charging device. A transmitting circuit of wireless charging is provided in a case of the charging device, and a receiving circuit of wireless charging is provided in a case of the body. While charging, the transmitting circuit of the charging device is connected to the receiving circuit of the body by electromagnetic coupling. The wireless chargeable game device of the present invention is charged wireless to make the charging process easy and convenient thereby improving the entertainment experience of people using the game device, and making the charging structure completely waterproof and dustproof to improve the service life. A series resonant circuit is driven by a fixed frequency generated by a single chip microcomputer for saving a frequency adjustment circuit so as to simplify the circuit and save the cost. (FIG. 01-20-2011
20110241607ELECTRONIC DEVICE WITH INTEGRAL INDUCTIVE CHARGING STATION - An inductive charging station that does not have to be directly plugged into an electrical socket in order to recharge a battery of an electronic device. The inductive charging station is incorporated into a primary electronic device, such as a laptop computer, for charging or recharging a secondary electronic device, such as a mobile phone. The inductive charging station is electrically coupled with the power source of the primary electronic device so that it may be used to inductively charge the battery of the secondary electronic device without directly plugging either the inductive charging station or the secondary electronic device into an electrical socket or other source of electricity.10-06-2011
20110241613WIRELESS POWER RECEIVING APPARATUS INCLUDING A SHIELDING FILM - Provided is a battery pack that includes a resonator to receive power wirelessly. A film, for shielding from a magnetic field that may be generated due to an eddy current, may be inserted between a battery and the resonator of the battery pack.10-06-2011
20110109263RESONANCE TYPE NON-CONTACT CHARGING APPARATUS - A resonance type non-contact charging system is disclosed that includes a resonance system. The resonance system has a primary side resonance coil, a secondary side resonance coil, a power converting section having a DC/DC converter, and a battery. The charging system has a controlling section that controls the DC/DC converter. The controlling section controls the duty cycle of the DC/DC converter such that the input impedance of the resonance system at the resonant frequency and the output impedance of a high-frequency power source match each other.05-12-2011
20110109265RECHARGEABLE BATTERY POWERED PORTABLE ELECTRONIC DEVICE - There is provided a planar inductive battery charging system designed to enable electronic devices to be recharged. The system includes a planar charging module having a charging surface on which a device to be recharged is placed. Within the charging module and parallel to the charging surface is at least one and preferably an array of primary windings that couple energy inductively to a secondary winding formed in the device to be recharged. The invention also provides secondary modules that allow the system to be used with conventional electronic devices not formed with secondary windings.05-12-2011
20110127952IC CONTROLLED WIRELESS POWER OPERATION AND APPLICATIONS THEREOF - An integrated circuit (IC) for use in a device includes a wireless power receiver circuit, a transceiver, and a processing module. The wireless power receiver circuit is operable to convert an electromagnetic signal into a voltage. The transceiver, when operable, transceives a control channel communication. The processing module is operable to: transition the device from an idle state to a charge state when a wireless power transmitter unit is detected; transition the device from the idle state to a wireless power operated state when a wireless power transmit circuit is detected and the device is enabled; and transition the device from the idle state to a battery operated state when the device is enabled and the wireless power transmit circuit is not detected.06-02-2011
20110241611BATTERY CHARGER, BATTERY CHARGING CIRCUITS, AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICES - Provided is a battery charging technique by which high efficiency of the battery charging can be always controlled no matter how the power consumption of the battery is changed. In a battery charger, a charging control circuit holds a charge/non-charge state of a battery during an arbitrary period of time in order to prevent the unbalance of phase voltages due to occurrence of transition between the charge/non-charge states during a short period of time and the reduction of the efficiency of the battery charging. Further, zero-crossing erroneous detection in a phase voltage of the output of a three-phase alternating-current generator due to noises is prevented.10-06-2011
20110241610BATTERY CHARGER, BATTERY CHARGING CIRCUITS, AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICES - There is provided a battery charging technique by which various battery charging control can be achieved even when power consumption of a battery is small. In a battery charger, in order not to turn OFF a power switch even when an ACG starting detection circuit recognizes that an output of a generator is not generated in a state in which the power consumption of the battery is small and the voltage of the battery is not dropping, a voltage of the battery in addition to phase terminal signals of a three-phase alternating-current generator is inputted to the ACG starting detection circuit, and the ACG starting detection circuit controls not to turn OFF the power switch when the output of the three-phase alternating-current generator is generated or when the voltage of the battery is equal to or higher than a predetermined voltage.10-06-2011
20110018496CONTACTLESS POWER SUPPLY APPARATUS, CONTACTLESS POWER RECEIVING APPARATUS, AND ASSOCIATED METHODOLOGY OF PRIORITY DISPLAY - A contactless power supply for charging at least one device using magnetic field resonance includes an AC power supply, at least one circuit, a charging surface and at least one indicator to indicate a charging priority relative to the charging surface according to magnetic field strength. Devices placed near a region of the charging surface indicated as having a high priority by the indicators will charge more rapidly than an external device placed near a region of the charging surface indicated by the indicators as having a lower charging priority. Indication of the charging priority regions on the charging surface may be indicated by differing materials, patterns, shapes or offsets. In addition, the contactless power supply may have more than one region of high charging priority.01-27-2011
20110018498Vehicle seat inductive charger and data transmitter - A vehicle seat inductive charger and data transmitter system includes: a vehicle seat having a first inductive coil, apparel having therein a second inductive coil, a first charging and controlling circuit cooperating with the first inductive coil, and adapted to energize and modulate the first inductive coil to transfer power and data to the second inductive coil solely via inductive coupling between the first and second inductive coils, a second charging and control circuit on the apparel cooperating with the second inductive coil, at least one main battery adapted for wearing by the user, where the main battery is adapted for charging by the second circuit upon the inductive coupling of the first and second inductive coils when energized.01-27-2011
20110109262WIRELESS ENERGY TRANSFER ANTENNAS AND ENERGY CHARGING SYSTEMS - A resonant wireless energy transfer system comprises first and second antennas made up of dual parallel wire helixes wherein the wires are terminated by short wires. Voltage controlled variable capacitors are connected into the antennas to permit progressive variation between folded dipole and normal dipole operating modes such that optimum energy transfer can be achieved between the antennas over a wide range of antenna separation distances. A vehicle battery charging system using the above-described antennas is provided including an installation which allows purchase of battery charging power by members of the general public. In-vehicle energy transfer for sensors, computers, cell phones and the like is also described.05-12-2011
20110025264ELECTRONIC DEVICE, CHARGER, AND ELECTRONIC DEVICE CHARGING SYSTEM - An object of the present invention is to provide an electronic device which is capable of conducting a proximity noncontact communication even if charging of a secondary battery is not fully completed and also whose secondary battery never falls into an overdischarge state during the proximity noncontact communication. An electronic device (02-03-2011
20110025265ELECTRONIC DEVICE, CHARGER, AND ELECTRONIC DEVICE CHARGING SYSTEM - An object of the present invention is to provide an electronic device capable of receiving payment of a charge required for a charging process even though a secondary battery of the electronic device ran into an overdischarge state and also extricating itself from the overdischarge state, and a charger used for the same. A charger (02-03-2011
20090140692MOBILE TERMINAL HAVING RECHARGE MENU SETTING FUNCTION AND INTER-RECHARGING METHOD USING THE SAME - A non-contact recharging apparatus and method provides a recharge menu to a first mobile terminal when performing non-contact recharging using inductive coupling. A user can set and operate a menu for recharging a second mobile terminal according to the recharge menu to perform inter-recharging between the mobile terminals. A recharge menu setting state is displayed in the form of icon, and the mobile terminal performs short-range communication with the counterpart terminal during the recharging to exchange information about the remaining battery capacity and the amount of current. The exchanged information is displayed on a display module such that the user can easily check which one of the mobile terminals is being recharged and can also check the recharge level of the mobile terminal being recharged.06-04-2009
20110109264APPARATUS AND METHOD FOR PROVIDING CHARGE IN BATTERY CHARGING SYSTEM - Disclosed is a charging apparatus and method of a battery charging system, including a power supply unit supplying power for charging a battery of a terminal if the position of a charging coil of the battery charging system matches the position of a charging coil of the terminal, a sensing unit obtaining the sensing information for determining the position of the terminal, a position detecting unit determining the position of the terminal on the basis of the sensing information obtained by the sensing unit, a charging coil coupled inductively with the charging coil of the terminal to generate power for charging the battery of the terminal, a coil moving unit moving the charging coil to the position of the terminal, and a control unit controlling a battery charging operation by the charging coil of the terminal and the charging coil moved by the coil moving unit.05-12-2011
20110043163WIRELESS POWER DISTRIBUTION AND CONTROL SYSTEM - A wireless power distribution and control system may be used to supply power wirelessly to various devices. The devices in the system may have control over the system and/or over certain features of other devices. For example, a smartphone charging in the wireless power distribution and control system may have access to and control over other devices in the system, such as the overhead lights, or a projector in a conference room. The identification of other devices, as well as commands for controlling these devices may be communicated over the wireless power link. The type and degree of control of each device in that system may vary based on access control levels for the power supplies and connected devices. The devices that receive power may be configured to automatically connect with the power distribution system and to monitor the other devices connected to the system.02-24-2011
20110241615Adapter capable of wireless charging - An adapter capable of wireless charging has a main body including transmitter circuit. An electronic device with a receiver circuit to be charged is positioned on the main body. The transmitter circuit is configured to send an AC signal in a wireless way to the receiver circuit for charging the receiver circuit. Thereby, at least one electronic product can be charged without using its dedicated charger. Also the limitation caused to the practical use of the notebook by wired charging through a charger can be eliminated.10-06-2011
20110241608Gangable Inductive Battery Charger - Gangable inductive battery chargers with integrated inductive coils are provided. A gangable inductive battery charger has at least one power supply module and at least one inductive charging cup module. The power supply module and the inductive charging cup module are interlockingly connectable through rail and slot mechanical connectors and an electrical connector. The inductive charging cup module has one or more charging cups that are capable of receiving a battery. A primary inductive coil embedded in the inductive charging cup module transfers power from the power supply module to a battery received by one of the one or more charging cups. The battery contains a secondary inductive coil for receiving power from the embedded primary coil. Multiple power supply and inductive charging cup modules may be interlockingly connected as needed.10-06-2011
20110115433WIRELESS CHARGER FOR CHARGING CONTROL AND CHARGING CONTROL METHOD THEREFOR - A coil structure and a charging control method in a wireless charger having a primary coil are provided to supply an induced electromotive force suitable for a charging target having a secondary coil. Concentric coils having different radii are arranged in a wireless charger, and a coil suitable for the location of a charging target placed on the wireless charger is selected. An input power corresponding to the selected coil is determined, and the determined power is applied to the selected coil. Then the same charging efficiency can be provided irrespective of a location of a charging target placed on the wireless charger.05-19-2011
20110115432POWER MANAGEMENT FOR ELECTRONIC DEVICES - Exemplary embodiments are directed to wireless power management. A method may include detecting one or more wireless chargers for charging an energy storage device of one or more monitored energy storage devices if the energy storage device drops below a threshold value. Moreover, the method may include selecting a charging scheme for an electronic device associated with the energy storage device.05-19-2011
20110115431SELECTIVE WIRELESS POWER TRANSFER - Exemplary embodiments are directed to selective wireless power transfer. A method may include transferring wireless power to at least one electronic device while varying at least one parameter of the wireless power transfer according to a wireless power transfer scenario.05-19-2011
20110115430WIRELESS ENERGY REPEATER - Embodiments of the invention are disclosed for generating a first alternating current in a resonant receiving coil at a resonant frequency in a self-resonant circuit tuned to resonate at substantially the same resonant frequency as a resonant transmitting coil in a self-resonant circuit of a wireless charger, the resonant receiving coil operating as a magnetically coupled resonator with the resonant transmitting coil. The separation distance between the two coils may be several times larger than geometric sizes of the coils. The embodiments convert the first alternating current in a power control circuit to a second alternating current at a different frequency than the resonant frequency. The embodiments drive a the power transmitting coil using the second alternating current to inductively couple with a proximately located power receiving coil in a user's device, to provide power to the power receiving coil in the user's device by contact-less electromagnetic induction.05-19-2011
20110074345INDUCTIVE CHARGING SYSTEM IN COMMUNICATIONS WITH OBJECTS BEING CHARGED AND WITH MICROPROCESSOR CONTROLLED DIAGNOSTICS - A method for wirelessly charging and/or re-charging at least one sports object embedded with a battery and circuitry is provided. The method includes positioning the sports object proximate to a charging system, the charging system containing circuitry for wirelessly communicating with the sports object, whereby information is bi-directionally transferred by radio frequency and electric power is transferred to the sports object by induction. The sports object circuitry is adapted for determines a charging requirement of the power cell therein.03-31-2011
20090033279Easy Cleaning C-Shaped Charging Base - A charging base has a generally C-shaped housing and a charging element. The generally C-shaped housing has an upper part and a lower part. The upper part has an upper surface substantially parallel to a lower surface and an opening extending from the upper surface to the lower surface. The opening has a first width and a second width. A notch is located at the intersection of the first width and the second width. The lower part has a beveled surface generally parallel to and beneath the lower surface of the upper part. The charging element, which provides power to recharge a battery, is located beneath the beveled surface of the lower part. The opening and notch are configured to hold a rechargeable assembly alternately in a first charging position and a second ready position02-05-2009
20110127955WIRELESS RECHARGEABLE BATTERY - A wireless rechargeable battery adapted to receive energy from a wireless power supply device wirelessly is provided. The wireless charge battery includes a battery unit, a wireless charging module, and an indicator. The wireless charging module is coupled to the battery unit to receive energy from the wireless power supply device wirelessly and transform the energy to electricity so as to charge the battery unit. The indicator is coupled to the wireless charging module to display the operation state of the wireless charging module.06-02-2011
20110241618METHODS AND SYSTEMS FOR WIRELESS POWER TRANSMISSION - In embodiments of the present invention improved capabilities are described for methods and systems for wireless power transmission utilizing high-Q resonators, where the resonators may resonate with an unmodulated carrier frequency, may be formed in a loop of conducting ribbon, may include an efficiency monitor, may provide for varying the amount of power transferred wirelessly, and applies a magnetic resonance phenomenon between a source and destination side resonator.10-06-2011
20110241612Wireless Charging Set - Provided is a wireless recharging set. A source unit including a source resonator may transmit power wirelessly in all directions, and a device may receive the transmitted wireless power regardless of location.10-06-2011
20110084652Magnetically Coupled Battery Charging System - Inductively coupled battery charging systems and methods are provided. Transmit circuitry can include a transmit coil operatively part of a transmit resonant circuit that exhibits resonance at a transmit resonant frequency and an unloaded Q value of at least about 20. Transmit coil can generate a magnetic field at about the transmit resonant frequency. Rechargeable battery assembly can include a receive coil configured to receive inductively coupled current, and circuitry configured to rectify the current and communicate charging power to a storage cell. Receive coil can be part of a receive resonant circuit that exhibits resonance at about the transmit resonant frequency and an unloaded Q value of at least about 10. Transmit circuitry can include multiple transmit coils and can selectively discontinue production of alternating current in the coils generating fields that are not most strongly coupled to the receive coil.04-14-2011
20110084656SYSTEM AND METHOD FOR WIRELESS POWER TRANSFER - A wireless transmission system having a transmitter and receiver is described. In one embodiment, the transmitter includes an electronically-controlled switch controlled by a first pulse width modulation control circuit, the switch configured to pull current through a first inductor when the switch is closed, the first pulse width modulation control circuit outputting a PWM output signal to control the switch. A first feedback signal obtained from a control input of the switch. A second feedback signal obtained from a terminal of the inductor, wherein a control feedback signal is computed, at least in part, as a difference between the first feedback signal and the second feedback signal is provided to the first pulse width modulation control circuit. In one embodiment, the receiver includes a second pulse with modulation controller, the second pulse width modulation controller controlling the receiver switch to deliver a desired power from the receiving coil to a load.04-14-2011
20110084653Magnetically Coupled Battery Charging System - Inductively coupled battery charging systems and methods are provided. Transmit circuitry can include a transmit coil operatively part of a transmit resonant circuit exhibiting resonance at a transmit resonant frequency and an unloaded Q value of at least about 20. Transmit coil can generate a magnetic field at about the transmit resonant frequency. Rechargeable battery assembly can include a receive coil configured to receive inductively coupled current, and circuitry configured to rectify the current and communicate charging power to a storage cell. Receive coil can be part of a receive resonant circuit that exhibits resonance at about the transmit resonant frequency. Transmit circuitry can be configured to regulate alternating current produced in the transmit coil based on current flowing in the transmit resonant circuit and/or maintain the magnetic field at about the transmit resonant frequency by maintaining about a ninety degree phase shift between a square wave input and output.04-14-2011
20110084658ELECTRIC MACHINE AND POWER SUPPLY SYSTEM HAVING BATTERY PACK - An electric machine and a power supply system, in which a battery pack can be easily and safely replaced with another, and electric power can be transferred with high transfer efficiency. An electric machine of the present invention includes a driving electric motor, a battery pack for supplying electric power to the driving electric motor, and an energy transfer section for transferring electric energy output from the battery pack to the driving electric motor. The battery pack includes a first antenna for receiving electric power from a power supply source located outside the electric machine by coupling with a first resonant magnetic field generated by the power supply source, at least one secondary battery charged by the electric power received by the first antenna, an oscillator for producing radio-frequency power by DC power discharged from the secondary battery, and a second antenna for generating a second resonant magnetic field by the radio-frequency power. The energy transfer section includes a third antenna that couples with the second resonant magnetic field generated by the second antenna, and transfers the radio-frequency power received by the third antenna to the driving electric motor.04-14-2011
20110084655PORTABLE ELECTRONIC DEVICE WITH ANTENNA AND POWER TRANSFER COIL - The present invention provides a portable electronic device including an antenna having a major planar cross-section, and a power transfer coil having windings parallel to a coil plane, the coil plane extending to the perimeter of the power transfer coil. The antenna and the power transfer coil are arranged such that the major planar cross-section is substantially perpendicular to the coil plane if a line directed perpendicularly from the coil plane intersects the major planar cross-section. An associated method of assembling a portable electronic device is also provided.04-14-2011
20090218985Contactless Charging System for Musical Instruments - A contactless charging system for an electric musical instrument includes an instrument stand configured to support a musical instrument, and which includes a contactless charging port configured for connection to a power source such as an electric wall outlet. A charging circuit module is configured for incorporation within the musical instrument, and includes a second contactless charging port in physical electrical contact with circuit elements configured to provide at least one predetermined voltage to at least one rechargeable portable power supply. The second contactless charging port is configured for contactless charging engagement with the first contactless charging port, so that the second port receives power from the power source when the instrument is placed in the stand.09-03-2009
20110241616ROBOT CLEANING SYSTEM AND CONTROL METHOD HAVING A WIRELESS ELECTRIC POWER CHARGE FUNCTION - Provided is a wirelessly charged robot cleaning system and a method for wirelessly charging a robot cleaner. The wirelessly charged robot may include a target resonator to receive a resonance power through energy-coupling with a source resonator of a wireless power transmitter, a wireless power receiving unit to convert the received resonance power into a rated voltage, and a battery controller to check the remaining capacity of the battery based and to charge the battery.10-06-2011
20110241614Notebook capable of wireless charging - A notebook capable of wireless charging has a main body including a sensing element with a transmitter circuit. An electronic device with a receiver circuit to be charged is positioned on the sensing element. The transmitter circuit is configured to send an AC signal in a wireless way to the receiver circuit for charging a rechargeable battery of the receiver circuit. Thereby, various electronic products can be charged simultaneously without using different dedicated chargers. Also the limitation caused to the practical use of the notebook by wired charging through a charger can be eliminated.10-06-2011
20090251102PLANAR INDUCTIVE BATTERY CHARGING SYSTEM - There is provided a planar inductive battery charging system designed to enable electronic devices to be recharged. The system includes a planar charging module having a charging surface on which a device to be recharged is placed. Within the charging module and parallel to the charging surface is at least one and preferably an array of primary windings that couple energy inductively to a secondary winding formed in the device to be recharged. The invention also provides secondary modules that allow the system to be used with conventional electronic devices not formed with secondary windings.10-08-2009
20100039066ADVANCED INDUCTIVE CHARGING PAD FOR PORTABLE DEVICES - Systems and methodologies for efficient inductive charging of electronic devices are provided herein. A charging device as described herein can utilize a sensor-integrated resonating circuit with automatic frequency control to provide low-cost inductive charging functionality for electronic devices. As further described herein, a device to be charged can be equipped with a power receiver operable to receive power from the charging device via electromagnetic induction. The power receiver can additionally be utilized for initiation of charging such that charging for a device commences upon its associated power receiver being brought within range of an inductive charging surface at the charging device. Further, a charging device as described herein can have an inductive charging surface as well as a non-charging surface for providing other services such as information display. A charging device can integrate with an external information source to obtain items to be displayed at a non-charging surface thereon.02-18-2010
20100066305CONTACTLESS BATTERY CHARGER, ELECTRONIC DEVICE, BATTERY PACK, AND CONTACTLESS CHARGING SYSTEM - To provide a contactless charging system that provides superior usability and allows for a reduction in power consumption and a safety measure, as well as to provide an electronic device, a contactless charger, and a battery pack for an electronic device which are used in the system.03-18-2010
20110248671Power System Implantable in Eye - An implantable ophthalmic power system includes a power source and an enclosure. The enclosure surrounds the power source. The enclosure is configured to be implanted under the conjunctiva of the eye.10-13-2011
20100066304NON-CONTACT CHARGING TYPE BATTERY SYSTEM, CHARGING DEVICE AND BATTERY PACK - It is an object to provide a non-contact charging type battery system capable of easily charging a secondary battery requiring to control a charging voltage.03-18-2010
20110175568APPARATUS WITH WIRELESS COMMUNICATION MODULE - The invention relates to an electronic apparatus (07-21-2011
20100148723BIDIRECTIONAL WIRELESS POWER TRANSMISSION - Exemplary embodiments are directed to wireless power transfer. A wireless power transceiver and device comprise an antenna including a parallel resonator configured to resonate in response to a substantially unmodulated carrier frequency. The wireless power transceiver further comprises a bidirectional power conversion circuit coupled to the parallel resonator. The bidirectional power conversion circuit is reconfigurable to rectify an induced current received at the antenna into DC power and to induce resonance at the antenna in response to DC power.06-17-2010
20110074348AUTOMATIC METHOD FOR CONTROLLING A HIGH-FREQUENCY INDUCTIVE COUPLING POWER TRANSFER SYSTEM - The invention relates to an automatic method for controlling a high-frequency inductive coupling power transfer system, which maintains the transferred power at a load equal to the nominal load with misalignments of up to 99% of the area of the secondary, in which the supply voltage and frequency of the system are controlled using a closed-loop control system in order to regulate the misalignments and the variation in the distance to the secondary and, in this way, transfer the nominal power.03-31-2011
20100127660WIRELESS POWER TRANSMISSION FOR PORTABLE WIRELESS POWER CHARGING - Exemplary embodiments are directed to wireless power transfer. A portable wireless power charger includes an antenna configured to generate a magnetic near-field for coupling of wireless power to a wireless powered device including a receiver. The antenna is substantially disposed around the perimeter of the charging pad. The portable wireless power charger further includes a feeder cable for coupling the input power to the charging pad.05-27-2010
20110248672SIDERAIL ACCESSORY CHARGING SYSTEM - A charging system comprises an accessory module and a charging system. The accessory module includes a housing with a coupling portion and a power source. The coupling portion includes an engagement surface and a coupler configured to removably couple the accessory module to a person-support apparatus. The power source is positioned within the housing and includes a recharging assembly. The charging station includes a docking portion configured to receive the accessory module and a charging assembly configured to communicate power to the recharging assembly.10-13-2011
20110074349SYSTEMS AND METHODS FOR PROVIDING WIRELESS POWER TO A PORTABLE UNIT - A wireless charging system for inductively charging and/or powering a device. The system includes a stationary base system and a moving subject. The stationary base system includes an array of primary coils that are adapted to generate a magnetic field, and a sensor system. The moving subject carries a device that includes a secondary coil that can be inductively charged and/or powered by the magnetic field emitted from the primary coil, and a magnet to be tracked by the sensor system. The moving subject can move in proximity to a surface of the stationary base system. The sensor system is adapted to communicate the location of the moving subject along the surface, wherein those coils closest to the moving subject may be activated.03-31-2011
20110074342WIRELESS ELECTRICITY FOR ELECTRONIC DEVICES - A system and method for the wirelessly charging electronic devices. For example, the electronic device may be a pulse oximeter with a wireless sensor. The wireless sensor may include a sensor power source adapted to power the wireless sensor. The wireless sensor may also include a sensor charging device adapted to receive a wireless electromagnetic charging signal and charge the power source via the wireless electromagnetic charging signal.03-31-2011
20110074344WIRELESS CHARGER USING INDUCTIVE COUPLING - A wireless charger of an inductive coupling type for charging a portable device provided with a rechargeable built-in battery having a second coil, includes a housing provided with a touch pad on one surface; a first coil retained within the housing; and a driving means for horizontally moving the first coil in a plane parallel to the one surface on which the touch pad is installed, wherein when the portable device is placed on the touch pad, the touch pad senses the position of the portable device to activate the driving means and displaces the first coil to a position facing the second coil.03-31-2011
20110074343WIRELESS COMMUNICATION MODULE - A wireless communication module includes a radiation unit, a battery, and a communication unit. The radiation unit has an antenna and a rectifier, in which the antenna is used to receive a radio frequency (RF) signal, and the rectifier converts the RF signal and outputs a voltage signal. The battery receives the voltage signal, and accordingly stores an electrical energy. The communication unit is electrically connected to the battery, and is powered by the electrical energy. When the wireless communication module is applied to a communication device, the RF signal is used as a source of an electrical power, and as the radiation unit and the communication unit are integrated into a system on chip (SOC), an overall volume of the communication device is effectively reduced.03-31-2011
20110018494POWER RECEIVING APPARATUS, POWER TRANSMISSION SYSTEM, CHARGING APPARATUS AND POWER TRANSMISSION METHOD - A power receiving apparatus includes: a resonance element having a specific resonance frequency and adapted to couple in a non-contacting relationship to a different resonance element through a resonance relationship; a rectification section configured to rectify ac current of the resonance frequency in response to energy received by the resonance element; and a switching section configured to cut off a supplying path of the ac current from the resonance element to the rectification section; the resonance element maintaining the coupling state through the resonance relationship to the different resonance element also when the supplying path of the ac current to the rectification section is blocked by the switching section.01-27-2011
20110043164POWERED CARTRIDGES AND OTHER DEVICES WITHIN HOUSINGS - The present invention describes a system and method for supplying electrical power to a device, such as a filter element, located within a housing. In one embodiment, a conductive coil is embedded into the housing base, and a second coil is embedded into the filter element. Current is then passed through the coil in the housing base. Through induction, a current is created in the second coil in the filter element, in much the same way as a transformer functions. This inductive field may interfere with the operation of the various electronic functions, such as communications, sensing or other activities. To overcome this issue, an energy storage component, such as a capacitor, is included in the filter electronics. In this way, the power generated by the inductive field can be stored, and used when the inductive field is no longer present.02-24-2011
20110248673APPARATUS FOR TRANSFERRING ENERGY TO AN ACCUMULATOR AND SYSTEM FOR CHARGING AN ELECTRIC ACCUMULATOR - It is provided an apparatus for transferring energy to an accumulator, the apparatus having a core and a wire wound around the core thereby forming a coil, wherein the coil is adapted to receive energy from a magnetic field, wherein the wire is connectable to the accumulator to transfer the received energy to the accumulator. A charging station for generating a magnetic field for transferring energy to an accumulator is provided, and a system for charging an electric accumulator is provided, wherein the system includes an apparatus as described above; and a charging station having a further wire wound such as to form a further coil.10-13-2011
20100327802CHARGING DEVICE AND CHARGING SYSTEM HAVING SAME - A charging device includes a charging platform, a number of first electromagnetic induction devices, a first microprocessor, and a first current processing module. The first electromagnetic induction devices are disposed on the charging platform. The first microprocessor is configured for activating the first electromagnetic induction devices and identifying the first electromagnetic induction devices that generated effective differential signals. The first current processing module is configured for inputting an alternating current to the first electromagnetic induction devices selected by the first microprocessor.12-30-2010
20110148350System for Charging a Battery in a Motor Vehicle - A system is proposed for charging a battery in a motor vehicle (06-23-2011
20100259215WIRELESS CHARGER AND WIRELESS CHARGING METHOD THEREOF - A wireless charger for charging an electronic device includes a holder with a primary coil and a number of holding coils fixed thereon and a resilient member sleeved thereon. The wireless charger further includes a sensing module, a storing module, a comparing module and an adjusting module. The sensing module detects each current value of the holding coils when the wireless charger is powered on. The storing module stores each current value of the holding coils from the sensing module and predetermines a reference current value for each holding coil. The comparing module compares the current value with the reference current value to determine whether the current value equals to the reference current value. The adjusting module changes the current values to the reference current values when the current value is not equal to the reference current value to adjust an angle of the secondary coil relative to the primary coil.10-14-2010
20110175567Power mouse pad - A power mouse pad for a computer includes a rechargeable mouse, a mouse pad having a working surface facilitating the rechargeable mouse to work thereon, a charging element including a first charging unit provided at the mouse pad and a second charging unit provided at the rechargeable mouse to electrically charge the rechargeable mouse when said first charging unit connects with the second charging unit; and a connector provided at the mouse pad for electrically and communicatively connecting with the computer to draw electrical power from the computer in order to charge the rechargeable mouse.07-21-2011
20080303479Contact-Less Chargeable Battery and Charging Device, Battery Charging Set, and Charging Control Method Thereof - The present invention relates to a wireless charger for a mobile communication terminal, which allows charging a plurality of batteries in a conveniently way without any terminal connection of the batteries to chargers for various mobile communication terminals such as a cellular phone and PDA and also allows intercepting electromagnetic waves while the charger is used, by means of Faraday's law.12-11-2008
20120032631Universal Inductive Charger - An inductive charger adapter element includes a housing, a coil comprising electrically conductive material, the coil contained within the housing, the coil configured to inductively couple to an external primary coil; and a connector supported on the housing, the connector coupled to the coil and configured to couple the inductive charger adapter element to a port provided on a device, the connector including a first pair of conductors for providing power and charging current to a battery in the device.02-09-2012
20120242284FILTER FOR IMPROVED DRIVER CIRCUIT EFFICIENCY AND METHOD OF OPERATION - This disclosure provides systems, methods and apparatus for increasing the efficiency of an amplifier when driven by a variable load. In one aspect a transmitter device is provided. The transmitter device includes a driver circuit characterized by an efficiency. The driver circuit is electrically connected to a transmit circuit characterized by an impedance. The transmitter device further includes a filter circuit electrically connected to the driver circuit and configured to modify the impedance to maintain the efficiency of the driver circuit at a level that is within 20% of a maximum efficiency of the driver circuit. The impedance is characterized by a complex impedance value that is within a range defined by a real first impedance value and a second real impedance value. A ratio of the first real impedance value to the second real impedance value is at least two to one.09-27-2012
20120169278WIRELESS POWER TRANSMISSION APPARATUS AND SYSTEM FOR WIRELESS POWER TRANSMISSION THEREOF - A wireless power transmission apparatus and a wireless power transmission system are provided. The wireless power transmission apparatus includes a main body; and a support which is disposed on a side surface of the main body, wherein the main body includes a transmission resonator unit which generates a first magnetic field of a horizontal direction with respect a ground surface and a second magnetic field of a vertical direction with respect to the ground surface.07-05-2012
20120200254SYSTEM AND METHOD FOR CHARGING ELECTRONIC DEVICE - Provided are a system and a method for inductive charging of an electronic device, including: a charging pad including a first coil which generates a magnetic field when power is applied; and an electronic device which includes a second coil and charges a battery using an induced current induced in the second coil as the first coil generates the magnetic field, wherein the charging pad performs data communication with the electronic device and moves the electronic device so that the maximum charging value is induced in the second coil. Data communication between the charging pad and the electronic device is fed back in real time, so that the electronic device can be disposed at a position where optimal charging efficiency can be exhibited.08-09-2012
20100320963CONTACT-LESS POWER TRANSFER - There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least one conductor that generates an electromagnetic field when a current flows therethrough and having an charging area defined within a perimeter of the surface, the at least one conductor being arranged such that electromagnetic field lines generated by the at least one conductor are substantially parallel to the plane of the surface or at least subtend an angle of 45° or less to the surface within the charging area; and at least one secondary device including at least one conductor that may be wound about a core. Because the electromagnetic field is spread over the charging area and is generally parallel or near-parallel thereto, coupling with flat secondary devices such as mobile telephones and the like is significantly improved in various orientations thereof.12-23-2010
20100320962INFORMATION PROCESSING APPARATUS, PROGRAM, AND INFORMATION PROCESSING SYSTEM - An information processing apparatus includes an antenna having a variable Q value, the antenna being used for performing communication with an external apparatus in a noncontact manner by using a carrier of a predetermined frequency and charging a battery in a noncontact manner by using the carrier, an obtaining unit configured to obtain information about charging of the battery, a determining unit configured to determine whether charging of the battery is to be performed or not on the basis of the information obtained by the obtaining unit, and a setting unit configured to selectively set the Q value of the antenna to a first value or a second value in accordance with a determination result generated by the determining unit, the second value being larger than the first value.12-23-2010
20110163714INDUCTIVE CHARGER AND CHARGING METHOD - The present invention provides a charger for inductively charging one or more battery powered appliances simultaneously. The charger comprises an external unit adapted to inductively provide power to the battery powered appliances, the external unit comprising: two or more primary coil pairs that are arranged in a circular pattern; an AC power source for providing an alternating current (AC) to the primary coil pairs for generating a rotating magnetic field between respective primary coils of the primary coil pairs; and a processor for driving the AC power source, wherein the one or more battery powered appliances are adapted to be arranged inside the circular pattern of the external unit, each appliance comprising a secondary coil for enclosing part of the magnetic field and in response generating a current for charging the battery of the appliance.07-07-2011
20110260681Portable Wireless Charging Device - A wireless charging device includes a charging battery, a transmitter coupled to the charging battery, and a controller coupled to the charging battery and the transmitter. The controller is configured to direct power from the charging battery to the transmitter and wirelessly transmit the power to a receiver. The wireless charging device also includes a housing, wherein the charging battery, the transmitter, and the controller are disposed at least partly within the housing.10-27-2011
20100283425POWER STORAGE DEVICE AND SEMICONDUCTOR DEVICE PROVIDED WITH THE POWER STORAGE DEVICE - An object is to provide a power storage device provided with a battery that is a power storage means, for safe and accurate supply of electric power in a short period of time for drive power supply voltage without checking remaining capacity of the battery or changing batteries with deterioration over time of the battery for drive power supply voltage. The power storage device is provided with a battery that is a power storage means as a power supply for supplying electric power and a counter circuit for counting charging time of the power storage means. An electromagnetic wave with electric field intensity, magnetic field intensity, and power flux density per unit time which are transmitted from a power feeder are controlled, and the power storage means is efficiently charged using the electromagnetic wave in a short period of time.11-11-2010
20110133692PRIMARY COIL RAISING TYPE NON-CONTACT CHARGING SYSTEM WITH ELEVATING-TYPE PRIMARY COIL - The present invention provides a non-contact charging system with an elevating-type primary coil, which is convenient to align the position of a primary coil and a second coil and is energy-saving.06-09-2011
20100295506NONCONTACT POWER RECEIVING APPARATUS AND VEHICLE INCLUDING THE SAME - A noncontact power receiving apparatus for receiving electric power from a power transmission coil transmitting the electric power received from a power supply includes: a power reception coil for receiving, by means of electromagnetic resonance, electric power transmitted from the power transmission coil; a rectifier for rectifying the electric power received by the power reception coil; a load supplied with the electric power rectified by the rectifier; and a first relay provided on a path over which the electric power is transmitted from the power reception coil to the rectifier, for cutting off the electric power.11-25-2010
20100013432BATTERY CHARGER - A battery charger 01-21-2010
20100181963Battery Charger and Method for its Operation - A battery charger having an RF storage transformer whose primary winding is connected via a clock to a two-pole input for receiving an AC voltage, and whose secondary winding is connected as a flyback converter to a rectifier with a two-pole output for the battery. The charger has a measurement unit, which detects the input current and voltage and a controller which operates the clock as a function thereof. A method for operating the charger, wherein the controller continually switches the clock on for a first interval and switches it off for a second interval, wherein the first interval ends when the current rises to a value corresponding to the instantaneous value of the voltage times a scaling factor, and the duration of the first and second intervals is sufficiently long that their total duration corresponds to the period of one interval of permissible operating frequencies of the transformer.07-22-2010
20100181961ADAPTIVE POWER CONTROL FOR WIRELESS CHARGING - Exemplary embodiments are directed to wireless power transfer. A transmitter generates an electromagnetic field at a resonant frequency with a transmit antenna to create a coupling-mode region within a near field of the transmit antenna. The transmitter defines a beginning of a recurring period by on-off keying the electromagnetic field during a synchronization portion of the recurring period. During a power transmission portion of the recurring period, the transmitter couples portions of the electromagnetic field to different receive antennas of various receiver devices within the coupling-mode region. The transmitter also determines a power allocation within the recurring period for the various receiver devices disposed within the coupling-mode region and adjusts a power level of the near field radiation responsive to power requirements received from the receiver devices.07-22-2010
20110084657MOBILE DEVICE CHARGING BASE, AND MOBILE DEVICE AND CHARGING BASE SYSTEM - A charging base for charging a mobile device includes an induction coil and a battery pack. The pack includes a battery charged by the induction coil. The base includes a base case, a mount portion, a power supply coil, and a power supply. The mount portion is recessed on the surface of the case, and can detachably hold the device. The power supply coil is arranged in proximity to and inside the recessed bottom surface of the mount portion to be electromagnetically coupled to the induction coil, and connected to the power supply coil. A cut-out portion is formed in a surface of the mount portion by partially cutting out the case to communicate with the outside. This surface intersects a mount surface of the device.04-14-2011
20110084654Magnetically Coupled Battery Charging System - Inductively coupled battery charging systems and methods are provided. Transmit circuitry can include a transmit coil operatively part of a transmit resonant circuit that exhibits resonance at a transmit resonant frequency and an unloaded Q value of at least about 20. Transmit coil can generate a magnetic field at about the transmit resonant frequency. Rechargeable battery assembly can include a receive coil configured to receive inductively coupled current, and circuitry configured to rectify the current and communicate charging power to a storage cell. Receive coil can be part of a receive resonant circuit that exhibits resonance at about the transmit resonant frequency. Transmit circuitry can be configured to detect the rechargeable battery assembly by monitoring a load on the transmit coil.04-14-2011
20110260682WIRELESS POWER DISTRIBUTION AMONG A PLURALITY OF RECEIVERS - Exemplary embodiments are directed to power distribution among a plurality of receivers. A method may include requesting at least one receiver of a plurality of receivers within a charging region of a transmitter to modify an associated load resistance to achieve a desired power distribution among the plurality of receivers. The method may further include requesting each receiver of the plurality of receivers to modify an associated load resistance to achieve a desired total impedance as seen by the transmitter while maintaining the desired power distribution among the plurality of receivers.10-27-2011
20120146579WIRELESS CHARGER INSTALLED WITH A TWO-DIMENSIONAL MOVING MECHANISM - A wireless charger installed with a two-dimensional moving mechanism which is simply configured, inexpensive and can be easily miniaturized is provided wherein a table is freely moved in the X-axis direction and the Y-axis direction. In the two dimensional moving mechanism, each pair of X axis pinions are arranged to simultaneously mesh with teeth near both ends of each rack arranged on an X axis slider and Y axis slider respectively. Each pair of pinions are driven by each motor and rotated in synchronization.06-14-2012
20120146577POWER SUPPLY APPARATUS, BATTERY PACK, METHOD, AND STORAGE MEDIUM - A power supply apparatus includes a power supply unit that wirelessly supplies power to an electronic device including a first unit that wirelessly receives power from the power supply apparatus, and a control unit that executes control, if an external apparatus, including a battery, and the electronic device are connected, to select the first unit to charge the battery by the first unit.06-14-2012
20120146575IMPLANTABLE WIRELESS POWER SYSTEM - A wireless power system capable of transmitting power through the skin without percutaneous wires over distances ranging from a few inches to several feet includes an external transmitting coil assembly and a receiving coil assembly. The transmitting coil assembly includes an excitation coil and transmitting resonant coil which are inductively coupled to each other. The receiving coil assembly includes a receiving resonant coil and a power pick-up coil which are also inductively coupled to each other. A high frequency AC power input, such as radio frequency (RF), supplied to the excitation coil inductively causes the transmitting resonant coil to resonate resulting in a local time varying magnetic field. The transmitting and receiving resonant coils are constructed as to have closely matched or identical resonant frequencies so that the magnetic field produced by the transmitting resonant coil is able to cause the receiving resonant coil to resonate strongly also, even when the distance between the two resonant coils greatly exceeds the largest dimension of either coil. The receiving resonant coil then creates its own local time varying magnetic field which inductively produces a voltage in a power pick-up coil to provide power to an active implantable medical device or implantable rechargeable battery.06-14-2012
20110074341NON-CONTACT INTERFACE SYSTEM - An interface system for a sensor wafer may comprise a sensor wafer having a substrate. One or more sensors may be mounted to the substrate. An electronics module may be mounted to the substrate and coupled to the one or more sensors. An energy storage device may be mounted to the substrate and coupled to the electronics module. A secondary coil may be attached to a surface of the sensor wafer, and coupled to the electronics module of the sensor wafer, having a diameter of at least 50 millimeters. A primary coil may be attached to a front opening universal pod (FOUP). The primary coil, may situated and oriented in the FOUP such that the primary coil is concentric with the secondary coil and at least 8, but less than 12 millimeters from the sensor wafer when the sensor wafer is stored in a slot in the FOUP.03-31-2011
20100194336INDUCTIVELY CHARGEABLE AUDIO DEVICES - An inductively enabled audio speaker is disclosed configured to receive power inductively from an inductive power outlet. The audio speaker device has a voice coil which, as well as being able to produce an audible output, is further configured to function as a secondary inductor to inductively couple with a primary inductor. The inductively enabled audio speaker may be used to power an electrical device such as a Bluetooth earpiece, a telephone or the like.08-05-2010
20100194334RETROFITTING WIRELESS POWER AND NEAR-FIELD COMMUNICATION IN ELECTRONIC DEVICES - Exemplary embodiments are directed to retrofitting existing electronic devices for wireless power transfer and near-field communication. Retrofitting circuitry includes an antenna for receiving a signal from an external source, and conversion circuitry for converting the signal to be used by an electronic device. The antenna and conversion circuitry are configured to retrofit to the electronic device, where the electronic device did not originally include the antenna or conversion circuitry. The antenna and conversion circuitry may be configured to receive and convert the signal to generate wireless power for the electronic device. The antenna and the conversion circuitry may also be configured to enable the electronic device to send and receive near-field communication data.08-05-2010
20100194333INTRA-ORAL CHARGING SYSTEMS AND METHODS - Systems and methods are disclosed for charging an intra-oral apparatus includes an intra-oral appliance having an appliance charger coil defining a first portion of an electromagnetic loop; and a charger base having a base charger coil defining a second portion of the electromagnetic loop, wherein the appliance charger coil and the base charger coil in combination transfer energy for inductive charging.08-05-2010
20110187321WIRELESS CHARGING SYSTEM FOR VEHICLE - A control signal is superimposed on an AC power at the time of charging the battery of an electric car in a non-contact manner by electric power outputted from a feeding apparatus. A feeding apparatus 08-04-2011
20110187318POWER TRANSFER DEVICE AND METHOD - The present invention provides a power transfer device for charging a wireless communication device having a communication bandwidth, and an associated method of transferring power. The device and method of the invention use a spread-spectrum technique to reduce or minimize interference signals within the communication bandwidth and within the power transfer device.08-04-2011
20110187317NON-CONTACT TYPE POWER FEEDER SYSTEM FOR MOBILE OBJECT - Provided is a noncontact type power feeder system for feeding an electric power to a mobile object, which enables a quick charge and transmission of a high electric power and in which a power feeder and a power receiver can be readily manufactured at low cost, comprising a power feeder arranged along a running road surface for the mobile object 08-04-2011
20110148352HOLDER FOR HOLDING AND CHARGING MOBILE PHONE AND BLUETOOTH EARSET - A holder for holding and charging a mobile phone and bluetooth earset includes phone holder and earset stand portions. The phone holder portion includes a back plate, left and right holding arms attached to the back plate, left and right extension arms, a bottom member and bottom legs. The earset stand portion includes an earset stand back plate, an earset stand bottom piece, rim plate, and holding device, the earset stand portion being attached to the left or right holding arm or the left or right extension arm thereof in an integral or split manner. The holder further includes a holding cavity in a back surface of the back plate, a plug to receive power from an automobile, and a converting device which converts the received power into a direct current for charging the mobile phone and bluetooth earset.06-23-2011
20110163713Wireless charging system and charging method thereof - A wireless charging system and charging method thereof allows a wireless charging stand to wireless charge an electronic device through electromagnetic induction. The wireless charging stand periodically activates to determine if the electronic device enters a predetermined range. Once the electronic device is sufficiently close, a transmission coil of the wireless charging stand transmits electromagnetic waves induced by a reception coil of the electronic device to generate current. The current is intermittently connected to a load by activating and deactivating a switch based on a charge time sequence to correspondingly change current consumption of the transmission coil. The wireless charging stand determines if the time sequence associated with current consumption is identical to a charge identification time sequence. The transmission coil continues charging if positive, and stops charging if negative, thereby preventing a wireless charging stand and electronic device having different voltage specification from being damaged to ensure operational safety.07-07-2011
20110187319CONSERVATION OF ELECTRICAL ENERGY AND ELECTRO-MAGNETIC POWER IN BATTERY CHARGER WITH AC DRIVE - The present disclosure is an energy-efficient rapid battery charger, using inductive windings rather than transformer to charge a battery. The apparatus operates with an AC power source rectifying a high voltage DC output or AC source transformed to a low DC voltage output. The control driver frequencies vary from several hundred Hz to thousand of Hz. A capacitor, inductor, and power line are arranged in a series parallel combination tank circuit that operates over the on and off time of a complete cycle. During on-time, the inductor is charged with electro-magnetic power. During off-time, the electro-magnetic power in the inductor discharges into the battery.08-04-2011
20100026236POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, POWER RECEIVING CONTROL DEVICE, POWER RECEIVING DEVICE, ELECTRONIC APPARATUS, AND CONTACTLESS POWER TRANSMISSION METHOD - A power transmission control device provided to a power transmission device of a contactless power transmission system includes a controller including an authentication process section and a command process section. The authentication process section performs an authentication process on a power receiving device before normal power transmission from the power transmission device to the power receiving device starts. If an event proceeding to a communication mode in which the power transmission device and the power receiving device communicate with occurs, after the normal power transmission starts, the command process section proceeds to a command branch phase without proceeding to a phase of the authentication process, and performs a command process on the communication mode in the command branch phase.02-04-2010
20090033280CONTACT-LESS POWER SUPPLY, CONTACT-LESS CHARGER SYSTEMS AND METHOD FOR CHARGING RECHARGEABLE BATTERY CELL - The present invention relates to a contact-less power supply magnetically coupled to a battery device having a receiving coil therein, for contact-less charging the battery device, the contact-less power supply having a sending coil array including a plurality of sending coils for inducing a charging power to the receiving coil; and a driving means for detecting a sending coil magnetically coupled to the receiving coil and selectively driving only the detected sending coil.02-05-2009
20090121675ELECTRONIC CONTROL METHOD FOR A PLANAR INDUCTIVE BATTERY CHARGING APPARATUS - This invention provides an electronic control method for a planar inductive battery charging apparatus on which one or more electronic loads such as mobile phones, MP3 players etc can be placed and charged simultaneously. The power control circuit of the charging pad consists of two power conversion stages. Depending on the nature of the input power supply, the first power stage is an AC-DC power converter with variable output voltage control and a second stage is a DC-AC power inverter with constant current control. The combination of the two stages provides power control of the charging pad and generates AC magnetic flux of ideally constant magnitude over the charging areas within a group of primary windings that are excited.05-14-2009
20120146580NONCONTACT CHARGER SYSTEM - A noncontact charger includes a charger having a power transmitting planar coil that transmits high-frequency charging power and a charged device including a power receiving planar coil magnetically coupled to the power transmitting planar coil to receive the charging power, wherein the charger includes a primary authentication planar coil which transmits high-frequency authenticating power for authenticating the charged device and receives a high-frequency authenticating signal for authenticating the charged device, a secondary authentication planar coil is magnetically coupled to the primary authentication planar coil to receive the authenticating power and output the authenticating signal generated from the authenticating power to the primary authentication planar coil, and a space between the power transmitting planar coil and the power receiving planar coil overlaps with a space between the primary authentication planar coil and the secondary authentication planar coil.06-14-2012
20090102418MANUAL DYNAMO CHARGER FOR RECHARGING PORTABLE ELECTRONIC DEVICES - A manual dynamo recharging device including a roller disposed in a housing and arranged for manually pressing and rolling against a surface, a dynamo connected to the roller, wherein rotation of the roller operates the dynamo to create electricity, and a rechargeable battery electrically connected to the dynamo through electrical circuitry, wherein manually pressing and rolling the roller against the surface operates the dynamo to create electricity to recharge the rechargeable battery, which is electrically connected to an electric portable device battery.04-23-2009
20090174364POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMITTING DEVICE, NON-CONTACT POWER TRANSMITTING SYSTEM, AND ELECTRONIC INSTRUMENT - A power transmission control device used for a non-contact power transmission system includes an operation mode switching terminal that receives an operation mode switch control signal that switches a mode between an automatic mode and a switch mode, a power transmitting device starting normal power transmission in the automatic mode after installation of a power-receiving-side instrument that includes a power receiving device in an area in which power transmitted via non-contact power transmission can be received has been automatically detected, the normal power transmission supplying power to a load of the power-receiving-side instrument, and the power transmitting device starting the normal power transmission in the switch mode after an operation trigger switch has been turned ON, an operation trigger terminal that receives an operation trigger signal that occurs due to an operation of the operation trigger switch, and a power-transmitting-side control circuit that controls power transmission to the power receiving device and changes an operation mode of the power transmitting device based on the operation mode switch control signal.07-09-2009
20120098486NON-CONTACT CHARGING STATION WITH PLANAR SPIRAL POWER TRANSMISSION COIL AND METHOD FOR CONTROLLING THE SAME - Various embodiments of a non-contact power transmission station with a planar spiral power transmission coil are disclosed. In one exemplary embodiment, a non-contact power transmission station may include: a transmission controller for transmitting power to a non-contact power-receiving apparatus and transmitting/receiving data; and a station part electrically connected with the transmission controller to generate an induced magnetic field and transmit power to the non-contact power-receiving apparatus, which is disposed on a top thereof. The station part may include a primary core where the induced magnetic field is generated. The primary core may include a core base, a central coil and two side coils which are fastened to the station part. The central coil and the two side coils may selectively generate an induced magnetic field under control of the transmission controller.04-26-2012
20120098484Wireless charging system, battery with wireless charging function and electronic devices with the same - A battery adapted to a wireless charging system which comprises a coil, a PCB, a core, a shield and a case. The coil is configured to induce the magnetic power transmitted from the transmitter of the wireless charging system to generate inductive current. The PCB is electrically connected the coil to transform the inductive current of the coil into electrical power. The core is electrically connected the PCB to store the electrical power. The shield is sandwiched between the coil and the core to protect the core from magnetic power of the transmitter and enhance inductance of the coil; and the case is configured to enclose the coil, the PCB, the core, and the shield therein. The invention also discloses a wireless charging system with such a battery, a electronic device with wireless charging function.04-26-2012
20110068738RECHARGING SYSTEM FOR A RECHARGEABLE BATTERY OF AN INVERTED PENDULUM TYPE VEHICLE - A recharging system for a rechargeable battery (03-24-2011
20100181962Nondirectional Radio Frequency Rechargeable Dry Cell - This invention relates to a nondirectional radio frequency (RF) rechargeable dry cell, including a dry cell case, an accumulator that installed inside the dry cell case, and a nondirectional radio frequency charge unit. The nondirectional radio frequency charge unit includes a nondirectional induction coil and charging control circuit, wherein the nondirectional induction coil connects with the accumulator by the charging control circuit. The nondirectional radio frequency rechargeable dry cell of this invention is able to carry on wireless charging for the dry cell by the induction of the high-frequency impulse magnetic field and converting into electrical energy, which is efficient and far ranged. When the electric appliance using the nondirectional radio frequency rechargeable dry cell of this invention, the wireless charging is realized without the removal of the batteries from the electric appliance, and is flexible and convenient.07-22-2010
20100225272WIRELESS POWER FOR CHARGEABLE AND CHARGING DEVICES - Exemplary embodiments are directed to wireless power. A method may comprise detecting one or more transmit elements positioned within an associated charging region. The method may further comprise selecting at least one transmit element of the detected one or more transmit elements to receive wireless power therefrom to enable for optimal charging of a charging device.09-09-2010
20090015197POWER TRANSMISSION DEVICE AND ELECTRONIC INSTRUMENT - A power transmission device includes a resonant capacitor that forms a series resonant circuit with a primary coil, a first power transmission driver and a second power transmission driver that drive the primary coil, and a control IC that outputs driver control signals to the first and second power transmission drivers. The resonant capacitor, the first and second power transmission drivers, and the control IC are provided on a substrate. An output terminal that outputs the driver control signal to the first transmission driver is provided on a first side of the control IC, an output terminal that outputs the driver control signal to the second transmission driver is provided on a second side of the control IC, and an input terminal that receives a signal waveform at one of coil connection terminals through a waveform detection wiring pattern is disposed on a third side of the control IC. The resonant capacitor, the first power transmission driver, and the second power transmission driver are disposed between a first substrate side parallel to the first side of the control IC and the control IC, and the waveform detection wiring pattern extends in an area between a second substrate side and an extension of the third side of the control IC and is connected to one of the coil connection terminals.01-15-2009
20090121674CHARGING DEVICE WITH BOUNDARY MODE CONTROL - A charging device with boundary mode control is disclosed. The charging device includes a transformer, a power switch, a detection circuit and a pulse-width modulation (PWM) controller. The power switch is electrically connected to one end of a primary-side winding of the transformer. The detection circuit is electrically connected to the primary-side winding and the power switch. The detection circuit detects the resonance of the parasitic capacitance of the power switch, thereby generating a detection signal for boundary mode control. The PWM controller generates a pulse-width modulation signal for driving the power switch, and turns on the power switch according to the detection signal.05-14-2009
20090066290BATTERY CHARGER WITH HIGH FREQUENCY TRANSFORMER - A battery-charging system includes a power supply having a high-frequency transformer and is configured to deliver a battery charging power to charge at least one battery. The high-frequency transformer has a bobbin including an elongated top and bottom surfaces and first and second substantially semi-circular end surfaces connecting the top surface with the bottom surface to form an elongated first coil winding surface having a central axis. A first coil is wound around the first coil winding surface, and a second coil is magnetically coupled to the first coil and wound thereto.03-12-2009
20110074347WIRELESS ENERGY TRANSFER - Disclosed is an apparatus for use in wireless energy transfer, which includes a first resonator structure configured to transfer energy non-radiatively with a second resonator structure over a distance greater than a characteristic size of the second resonator structure. The non-radiative energy transfer is mediated by a coupling of a resonant field evanescent tail of the first resonator structure and a resonant field evanescent tail of the second resonator structure.03-31-2011
20110115429Wireless Charging Adapter Compatible With Wall Charger And Wireless Charging Plate - Example embodiments are disclosed for wirelessly charging batteries of relatively small devices, such as wireless headsets, using a relatively large wireless charging plate. In example embodiments of the invention, a high permeability magnetic field concentrator has a generally frusto-conical shape with a base at one end, tapering down to a pole at the opposite end. The concentrator is configured to concentrate magnetic flux at a lower flux density incident at the base from a proximate power transmitting coil having a relatively large surface area in a wireless charger. The magnetic flux exits at a higher flux density at the pole end proximate to a power receiving coil having a relatively small surface area in a utilization device. The higher density magnetic flux couples with the power receiving coil, using contact-less electromagnetic induction. The wireless charger may be a charging plate and the utilization device may be a wireless headset. The magnetic field concentrator enables gathering sufficient power by the relatively small power receiving coil to charge the headset's batteries within a reasonable time.05-19-2011
20120146578SECTION OF ROADWAY - A section of roadway has at least one integrated induction loop designed to inductively charge a vehicle battery of a hybrid or electric vehicle that is situated on the induction loop. The section of roadway is arranged in the region of a road in which the traffic is at least temporarily stationary. As a result, useless time waiting at traffic lights or railway crossing gates can be used productively.06-14-2012
20120146576SYSTEM FOR WIRELESS POWER TRANSFER THAT SUPPORTS INTEROPERABILITY, AND MULTI-POLE MAGNETS FOR USE THEREWITH - In the field of wireless power, to enable interoperability between chargers and receivers, it is important that the two parts of the system (the charger and receiver) can communicate in a manner that allows operation. With the proliferation of different communication schemes, a multi-protocol system that can adapt and interoperate with different communication protocols allows maximum interoperability. Described herein are systems and methods for providing such multi-protocol operation and maximum interoperability. Also described herein are methods for use of magnets in or around magnetically sensitive devices such that the operation of such a device is not impaired. Applications in various devices and systems are described. In particular, applications for fastening mobile devices to their cases or other surfaces, and also alignment or attachment for power transfer or charging are described. Also described herein are systems and methods for the use of multi-pole and other magnets, in electronic and other articles, devices, components, or parts thereof.06-14-2012
20110140654HANDHELD POWER TOOL CHARGER - A handheld power tool charger, having at least one battery contact device is proposed, which is provided for charging at least one nondiscretely positioned handheld power tool battery. According to the invention, the battery contact device has at least one contact region which is embodied as elongated.06-16-2011
20120306441Battery Charger - A battery charger (12-06-2012
20100194335WIRELESS POWER AND DATA TRANSFER FOR ELECTRONIC DEVICES - Exemplary embodiments are directed to wireless power. A wireless charging device may comprise a charging region configured for placement of one or more chargeable devices. The charging device may further include at least one transmit antenna configured for transmitting wireless power within the charging region. Furthermore, the charging device is configured to exchange data between at least one chargeable device of the one or more chargeable devices.08-05-2010
20090096413SYSTEM AND METHOD FOR INDUCTIVE CHARGING OF PORTABLE DEVICES - A system and method for variable power transfer in an inductive charging or power system. In accordance with an embodiment the system comprises a pad or similar base unit that contains a primary, which creates an alternating magnetic field. A receiver comprises a means for receiving the energy from the alternating magnetic field from the pad and transferring it to a mobile device, battery, or other device. In accordance with various embodiments, additional features can be incorporated into the system to provide greater power transfer efficiency, and to allow the system to be easily modified for applications that have different power requirements. These include variations in the material used to manufacture the primary and/or the receiver coils; modified circuit designs to be used on the primary and/or receiver side; and additional circuits and components that perform specialized tasks, such as mobile device or battery identification, and automatic voltage or power-setting for different devices or batteries.04-16-2009
20100201310WIRELESS POWER TRANSFER SYSTEM - A wireless power transfer system is described that includes features that allow the system to be deployed in public spaces such as airports or in commercial establishments such as restaurants or hotels to allow a user to recharge one or more portable electronic devices while away from home. In one embodiment, the system provides a secure and efficient means for obtaining required payment information from the user prior to the wireless power transfer, thereby facilitating fee-based recharging. In a further embodiment, to accommodate wireless recharging of a variety of device types and states, the system receives parameters and/or state information associated with a portable electronic device to be recharged and controls the wireless power transfer in accordance with such parameters and/or state information.08-12-2010
20120038317WIRELESS CHARGING SYSTEM - Disclosed herein is a wireless charging system, including: a primary device that includes a power transmitter adapted to transmit power wirelessly; and a secondary device that includes a power receiver adapted to receive power transmitted wirelessly from the power transmitter, wherein the secondary device also includes a sensor adapted to detect any anomaly in the power transmission path between the power transmitter and receiver.02-16-2012
20110316476NON-CONTACT CHARGE AND COMMUNICATION SYSTEM - Disclosed herein is a non-contact charge and communication system including: non-contact charge apparatus configured to include a power transmitting device that transmits power for a charge by magnetic field coupling and a first communication unit that carries out non-contact communication by electric field coupling; and power receiving apparatus configured to include a power receiving device that receives power transmitted from the non-contact charge apparatus based on a magnetic field resonance relationship and a second communication unit capable of non-contact communication with the first communication unit by electric field coupling, and charge a battery by received power. The non-contact charge apparatus includes a first control unit, and the power receiving apparatus includes a storage unit, and a second control unit.12-29-2011
20110050166METHOD AND SYSTEM FOR POWERING AN ELECTRONIC DEVICE VIA A WIRELESS LINK - A method and system for providing power to a chargeable device via radio frequency link are provided. In one aspect, a method of providing power to a chargeable device via radio frequency link comprises generating a substantially unmodulated signal. The method further comprises radiating a substantially unmodulated radio frequency (RF) signal to the chargeable device via a transmit antenna based on the substantially unmodulated signal. The method further comprises powering or charging the chargeable device with power delivered by the substantially unmodulated RF signal.03-03-2011
20110050165SEMICONDUCTOR DEVICE, COMMUNICATION SYSTEM, AND METHOD OF CHARGING THE SEMICONDUCTOR DEVICE - An object of the present invention to provide a semiconductor device including a battery that can be wirelessly charged, in which the battery can be charged even when the semiconductor device is not put close to a power feeder. Such a semiconductor device has a structure including an antenna circuit, a communication control circuit to conduct wireless communication via the antenna circuit, a battery to be charged with electric power which is externally wirelessly fed via the antenna circuit, and an oscillator circuit to wirelessly feed electric power via the antenna circuit. In addition, the battery in the semiconductor device is wirelessly charged and the semiconductor device externally feeds electric power wirelessly to a chargeable battery in another semiconductor device.03-03-2011
20110050164SYSTEM AND METHODS FOR INDUCTIVE CHARGING, AND IMPROVEMENTS AND USES THEREOF - Described herein are various systems and methods for use with power supplies and other power sources and chargers and particularly those that use inductive charging, including systems and methods for use thereof, such as improved transfer of wireless power to mobile devices and batteries. In accordance with some embodiments described herein, various methods are described by which the wired and/or wireless power devices and chargers or power supplies can provide additional connectivity and communications capabilities; methods by which the wireless power devices and chargers or power supplies can provide better thermal performance, better detection of external objects, and better power transfer efficiencies; different geometries and/or modes; techniques for enabling the charger to be powered by a power source from another device, such as the power available from the USB or PCMCIA port or similar; and other systems and methods to improve charging efficiency, usage, and other features.03-03-2011
20110316477NON-CONTACT POWER CHARGING SYSTEM AND CONTROL METHOD THEREOF - A non-contact power charging, in which power transmission can be interrupted when foreign materials are deposited on a charge plate of the non-contact power charging system. A charging operation can be continuously maintained at a stable voltage even if a non-contact power receiving apparatus moves by touching or displacement on the charge plate of the non-contact power charging system in the charging operation. Charging efficiency is improved.12-29-2011
20110316475Non-Contact Power Reception Apparatus and Jig for Fabricating Core for Non-Contact Power Reception Apparatus - A non-contact power reception apparatus is provided, in which a power reception coil for a charging system and a loop antenna for an electronic settlement system are mounted on a battery pack and a cover case of a portable terminal such that the power reception coil is arranged in the center thereof and the loop antenna is disposed outside the power reception coil, so that a mode of receiving a wireless power signal and a mode of transmitting and receiving data are selectively performed, thereby preventing interference from harmonic components and enabling non-contact charging and electronic settlement using a single portable terminal. A jig for fabricating a core to be mounted to the non-contact power reception apparatus is provided.12-29-2011
20120043933ELECTRIC POWER CHARGE AND DISCHARGE SYSTEM - An electric power charge and discharge system for an electronic device having a battery, by which the electronic device can be used for a long period of time. In a wireless communication device including a wireless driving portion including a first battery and a wireless charging portion including a second battery, the first battery is charged by electric power from a fixed power supply and the second battery is charged by using electromagnetic waves existing in an external space. Further, the first battery and the second battery are discharged alternately, and during a period in which the first battery is discharged, the second battery is charged.02-23-2012
20120043932CHARGING APPARATUS AND METHOD FOR CONTROLLING CHARGING APPARATUS - The present invention provides a charging apparatus including a charging unit adapted to charge, in a non-contact manner, an apparatus to be charged placed in a charging region, a detector adapted to detect a charged state of the apparatus to be charged placed in the charging region, and a controller adapted to change a mode of the apparatus to be charged to a mode that inhibits vibration, according to the charged state detected by the detector.02-23-2012
20120043931DEVICE HOUSING A BATTERY AND CHARGING APPARATUS FOR CONTACTLESS CHARGING - A device housing a battery 02-23-2012
20120062175STORAGE TRAY WITH CHARGING - A wireless charging system includes a charging pad including a base having a coil. The charging pad includes an electrical connector connected to the coil for supplying power to the coil. The charging pad can be connected by an AC cord to a household AC outlet via the electrical connector. The charging pad can also be connected to a vehicle connector for connecting the charging pad to a vehicle electrical supply. In this manner, the wireless charging pad can be used for both home and vehicle charging.03-15-2012
20110156640METHOD AND APPARATUS FOR WIRELESSLY TRANSFERRING POWER AND COMMUNICATING WITH ONE OR MORE SLAVE DEVICES - Some embodiments provide a system for charging devices. The system includes a master device and a slave device. Some embodiments provide a method for charging devices in a system that includes a slave device and a master device. The slave device includes (1) an antenna to receive a radio frequency (RF) beam and (2) a power generation module connected to the antenna that converts RF energy received by the slave antenna to power. The master device includes (1) a directional antenna to direct RF power to the antenna of the slave device and (2) a module that provides power to the directional antenna of the master device.06-30-2011
20110156636BATTERY PACK AND METHOD OF CONTROLLING CHARGING OF BATTERY PACK - A battery pack and a method of controlling charging of the battery pack, the battery pack including a chargeable battery cell, a first charging circuit wirelessly charging the battery cell, a terminal part connecting the battery cell to an external device, a second charging circuit charging the battery cell by using power from an external power source connected to the terminal part, and a control circuit controlling charging performed by the first charging circuit and the second charging circuit, thereby allowing wireless and wired charging of the battery pack.06-30-2011
20110156638MOVEABLE MAGNET AND PANEL ASSEMBLY - A magnet and panel assembly including at least a first panel having a first surface and a second wherein the panel has a configuration such that a magnetic field can extend past the first surface; a first magnetic source located on or near the second surface of the first panel; one or more magnetic source securing features adapted to hold the magnetic source on or near the second surface of the first panel wherein the source securing features are adapted to allow the first magnetic source to articulate in the x and y directions along a plane substantially parallel to the plane of the first panel.06-30-2011
20110156639Wireless Power Transmission Apparatus - A wireless power transmission apparatus is provided. The wireless power transmission device includes a source unit comprising a source resonator to transmit power wirelessly to at least one target device, and an energy charging module to store energy generated by the source unit under a control of the source unit.06-30-2011
20110156637RECHARGING OR CONNECTION TRAY FOR PORTABLE ELECTRONIC DEVICES - The present invention relates to a tray comprising: a) a base panel having two opposite edges adapted for sliding within grooves of a structure; b) a pair of electrical contacts located on the two opposite edges of the base adapted to conduct electricity; c) a battery recharging system adapted to provide one or more electromagnetic fields capable of transferring an electrical charge to a properly equipped electrical device having a rechargeable battery or a connection for a portable electronic device adapted to connect the portable electronic device to the power system of a host and/or other electronic systems of the host; d) means for connecting the pair of electrical contacts to the battery recharging system or to the connection to the portable electronic device; e) one or more display panels providing a surface for resting one or more rechargeable portable electric devices upon, such panels adapted to allow one or more users of portable electronic device to view one or more displays of the portable electronic devices; f) panels for connecting the base panel and one or more display panels and for enclosing the tray. The tray is adapted for use in a host system which supplies power to the tray. In a preferred embodiment, the host system is or is utilized in a vehicle.06-30-2011
20120001593APPARATUS FOR POWER WIRELESS TRANSFER BETWEEN TWO DEVICES AND SIMULTANEOUS DATA TRANSFER - A system for the wireless transfer of power includes a first device connected to a power supply source and provided with a first resonant circuit at a first frequency, a second device comprising at least one battery, provided with a second resonant circuit at said first frequency, arranged at a distance smaller than the wavelength associated with said first frequency and not provided with wires for the electrical connection with said first device. The first device is adapted to transfer a first signal representing the power to be sent to the second device for charging said at least one battery and comprises means adapted to modulate the frequency of said first signal for transferring data from the first device to the second device simultaneously with the power transfer. The second device comprises means adapted to demodulate the received signal, corresponding to the first signal sent from the first device, to obtain the transmitted data.01-05-2012
20120001592POWER SUPPLY APPARATUS, POWER SUPPLY SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM - A power supply apparatus for supplying electric power wirelessly to a power receiving apparatus which charges a battery informs charging information indicating a charging state of the power receiving apparatus, if a position of the power receiving apparatus is changed to more than the predetermined value.01-05-2012
20120001591POWER SUPPLY APPARATUS, POWER SUPPLY SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM - A power supply apparatus for supplying electric power wirelessly to a power receiving apparatus which charges a battery, informs information indicating a remaining capacity corresponding to the power receiving apparatus, if the power receiving apparatus is moved.01-05-2012
20120001589Bidirectional wireless charging/discharging device - A bidirectional wireless charging/discharging device includes: a first receiver/transmitter device and a second receiver/transmitter device. The first receiver/transmitter device includes a first power storage/supply device that supplies and converts a first electrical power into a first frequency modulation signal. A first resonant circuit device, when set in an activated state, receives and converts the first frequency modulation signal into first resonance energy. The second receiver/transmitter device is arranged to correspond to the first receiver/transmitter device. The second receiver/transmitter device includes a second resonant circuit device, which when set in a deactivated state, receives and converts the first resonance energy into a third frequency modulation signal. A second power storage/supply device receives the third frequency modulation signal, and converts the third frequency modulation signal into a third electrical power for storage. When the first resonant circuit device is set in a deactivated state and the second resonant circuit device is in an activated state, the second power storage/supply device supplies and converts a second electrical power into a second frequency modulation signal, which is received and converted by the second resonant circuit device into second resonance energy. The first resonant circuit device receives and converts the second resonance energy into a fourth frequency modulation signal. The first power storage/supply device receives and converts the fourth frequency modulation signal into a fourth electrical power for storage. As such, a function of bidirectional wireless charging and discharging is realized.01-05-2012
20120001590Dual-sided wireless charging device - A dual-sided wireless charging device includes a main body, which includes a seat, a coupling member, and a power member. The seat and the coupling member are mounted to each other at a right angle. The coupling member has a first surface and a second surface, which are respectively provided with a transmitter circuit, whereby at least one electronic device having a receiver circuit is attachable to the first surface and/or the second surface to perform charging operation on both surfaces to thereby increase charging efficiency and reduce expense.01-05-2012
20120056580CONTACTLESS ELECTRICITY-SUPPLYING DEVICE - A contactless electricity-supplying device (03-08-2012
20120062174POWER RECEIVING DEVICE AND WIRELESS POWER FEED SYSTEM - An electric field coupling type wireless power feed system including a power transmitting device and a power receiving device which is unlikely to be affected by a noise and which has a reduced size is provided. A capacitive coupling type wireless power feed system includes a power receiving device including a first electrode using an oxide semiconductor film, and a battery and a power transmitting device including a second electrode, wherein the battery is charged by a voltage generated based on an electric field generated between the first electrode and the second electrode. The charging of the battery may be stopped by applying a positive direct-current voltage from a charge control circuit to the first electrode.03-15-2012
20120062173WIRELESS POWER SUPPLY APPARATUS, WIRELESS CHARGING APPARATUS, AND WIRELESS CHARGING SYSTEM USING THE SAME - A wireless charging apparatus and a wireless charging system using the same are provided. The wireless charging apparatus includes a sensing resonator that senses for an external device; a transmission resonator that transmits energy to the external device by magnetic resonance; and a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator.03-15-2012
20120062172RESONANCE TYPE NON-CONTACT CHARGING DEVICE - A resonance type non-contact charging device includes a high frequency power source, a primary side resonant coil, a secondary side resonant coil, a charger, a secondary battery, and a stop control unit, The primary side resonant coil receives supply of high frequency electric power from the high frequency power source. The secondary side resonant coil is arranged apart from the primary side resonant coil in a non-contact manner. The secondary side resonant coil receives electric power from the primary side resonant coil through magnetic field resonance between the primary side resonant coil and the secondary side resonant coil. The charger receives supply of high frequency electric power from the secondary side resonant coil. The secondary battery is connected to the charger. The stop control unit stops the high frequency power source before stopping the charger when charging is to be stopped.03-15-2012
20120062171Surgical Sterilizer With Integrated Battery Charging Device - A device for charging at least one rechargeable battery of a battery-operated surgical instrument that comprises a sealed container operable to enclose and create a microbial seal around the battery. The sealed container permits surgical sterilization and inductive charging of the battery while the battery is enclosed therein. The device further comprises an inductive charging assembly having a power receiver sub-assembly inside the sealed container and electrically coupled to the battery whereby the power receiver sub-assembly is operable to receive electrical power inductively from outside the sealed container and to charge the battery electrically coupled to the power receiver sub-assembly. A power supply is disposed outside the sealed container and supplies power inductively to the power receiver sub-assembly through the sealed container such that the sealed container is not structurally breached.03-15-2012
20120007550AUTOCLAVABLE CHARGING DEVICE FOR A RECHARGEABLE ENERGY STORE OF A SURGICAL INSTRUMENT AND ASSOCIATED METHOD - The invention relates to an autoclavable charging device (01-12-2012
20120007549WIRELESS CHARGING DEVICE AND WIRELESS CHARGING SYSTEM - Disclosed herein is a wireless charging device including: a feeding device capable of feeding power on a wireless basis; and a display device, the feeding device including a power generating section configured to generate the power to be fed, a power transmitting element section configured to transmit the power generated by the power generating section, and a wireless communicating section capable of wireless data transmission and reception, and the display device being capable of displaying at least one of data transferred from a charging object device and received through the wireless communicating section and information on charging conditions, the information on the charging conditions being received as a response to the power transmitted for charging.01-12-2012
20120206097INDUCTIVELY COUPLED POWER AND DATA TRANSMISSION SYSTEM - An inductively coupled power and data transmission system include a main power source, apparel having an electrical conductor in electrical communication with the main power source, the apparel having a first inductively couplable power and data transmission sub-system to regulate power to the primary coil or coils and transmission of power and data by the primary coil or coils and reception of data by the primary coil or coils, and an independent device having a second inductively couplable power and data transmission sub-system so as to regulate reception of power and data by the secondary coil or coils and transmission of data from a secondary processor by the secondary coil or coils. The first and second primary coils transfer said power and data during inductive coupling, at electromagnetic radiation frequencies, between the first primary coil or coils and the secondary coil or coils.08-16-2012
20110018495CONTACTLESS CELL APPARATUS - A cell apparatus that emits and receives AC power via magnetic field resonance includes a cell interface and a circuit to generate a magnetic field when emitting the AC power and to generate an AC current when exposed to a magnetic field from an external device. The cell apparatus also includes a switch or sensor to determine whether a charging mode or a discharging mode is active. Because the cell apparatus emits and receives AC power via magnetic field resonance, it can be charged and discharge without electrical contact with another device.01-27-2011
20120013296METHOD AND SYSTEM FOR HARVESTING RF SIGNALS AND WIRELESSLY CHARGING A DEVICE - System and method for harvesting radio frequency power from a wireless transmitter includes; an antenna having an output voltage, a matching network coupled to the antenna, a booster circuit coupled to the matching network and having an output voltage, and adapted to amplify the output voltage of the antenna. Matching network is adapted to match a power transfer. A voltage stabilizer circuit is adapted to stabilize the booster circuit output voltage. Method includes, determining at least one operating mode and charging a slave device from a master wireless transmitter located within a predetermined distance from the system. A rechargeable battery in the system is charged from a wireless transmitter, and a slave device is connected to the system. The slave device is charged from the rechargeable battery in the system.01-19-2012
20120013295Bidirectional wireless charging/discharging device - A bidirectional wireless charging/discharging device selectively performs electrical charging and discharging operation through selectively transmitting and receiving resonance energy with respect to a corresponding charging/discharging device that includes a second receiver/transmitter device. The bidirectional wireless charging/discharging device includes: a carrier body and a first receiver/transmitter device. The carrier body has a circumference from which an extension section extends. The first receiver/transmitter device is arranged inside the carrier body. The first receiver/transmitter device includes at least one connector, which is exposed outside the carrier body. The first and second receiver/transmitter devices selectively transmit to and receive from each other the resonance energy in a wireless manner and the resonance energy is then converted into electrical power, which is transmitted through the connector, or alternatively, the electrical power is converted into resonance energy for transmission and reception in a wireless manner.01-19-2012
20120013294Enclosure bidirectional wireless charging/discharging device - An enclosure bidirectional wireless charging/discharging device selectively performs electrical charging and discharging operation through selectively transmitting and receiving resonance energy with respect to a corresponding charging/discharging device that includes a second receiver/transmitter device. The bidirectional wireless charging/discharging device includes: a carrier body, a first receiver/transmitter device, and an enclosure member. The first receiver/transmitter device is arranged inside the carrier body. The first receiver/transmitter device includes at least one connector, which is exposed outside the carrier body. The first and second receiver/transmitter devices selectively transmit to and receive from each other the resonance energy in a wireless manner. The resonance energy is then converted into electrical power, which is transmitted through the connector, or the electrical power is converted into resonance energy for transmission and reception in a wireless manner. The enclosure member encloses the carrier body, so that the enclosure member and the carrier body together define a retention zone therebetween.01-19-2012
20120013293System and Method for Charging an Electronic Device - A method that includes determining that a device mount power supply included within a device mount is compatible with an electronic device power supply included in an electronic device. The method further includes receiving power transferred from the device mount power supply via an inductive power connection that is disposed on the device mount at a location other than where a device mounting adapter that is affixed to the device mount is disposed on the device mount, where the device mount adapter is configured to couple the electronic device to the device mount and align the electronic device and the device mount to facilitate charging the electronic device power supply; and charging the electronic device power supply with power received from the device mount power supply via the inductive power connection.01-19-2012
20120013292Non-Intrusive Energy Harvesting Systems and Methods - In accordance with certain embodiments of the present disclosure, an energy harvesting system is provided. The system comprises a coil wound about a generally cylindrical shaped magnetic core having a first end and a second end. The coil includes wires that are wound in such a manner that the wires are generally parallel to the cylindrical shaped magnetic core axis. The cylindrical shaped magnetic core defines a core gap that extends parallel to the magnetic core axis. The cylindrical shaped magnetic core also defines an opening extending therethrough from the first end to the second end such that the cylindrical shaped magnetic core is configured to fit around current carrying conductor.01-19-2012
20120112690Medical Device Packaging with Charging Interface - An apparatus for delivering power to an electrically powered medical device includes a package and an electrical coupling feature. The package comprises an interior portion and a wall. The interior portion of the package is able to hold a sterile, electrically powered medical device having a rechargeable battery. The package is able to maintain sterility of the interior portion of the package. The electrical coupling feature may be in communication with the wall of the package and in further communication with the medical device. The electrical coupling feature may be able to deliver power from an external power source to the medical device to charge the battery of the medical device without compromising the sterility of the package or the sterility of the medical device.05-10-2012
20100164431RECHARGING SYSTEM AND ELECTRONIC DEVICE - A recharging system for a rechargeable battery in an electronic device includes a receiver and a power supply. The receiver is fixed to a surface of a casing of the electronic device. The receiver includes a receiving coil connected to the rechargeable battery. The receiving coil is a planar spiral coil substantially parallel to the surface of the casing of the electronic device. The power supply includes a base and a source coil attached to a surface of the base corresponding to the receiving coil, and the source coil is a planar spiral coil and capable of magnetically coupling to the receiving coil of the receiver.07-01-2010
20130154553Wireless Automated Vehicle Energizing System - A wireless recharging system for battery or hybrid vehicles having an in-road magnetic power transmission assembly that interconnects to a magnetic power reception assembly onboard the vehicle. As the vehicle stops or passes over the in-road magnetic power transmission assembly, magnetic coupling transfers power to the magnetic power reception assembly which, in turn, is used to recharge the vehicle battery. The in-road magnetic power transmission assembly may be powered from the electrical grid or designated electrical generators and is preferably designed to build the powering magnetic field in response to the detection of an authorized vehicle in proximity to the transmission assembly.06-20-2013
20120206098WIRELESS CHARGING SYSTEM FOR AN ELECTRIC VEHICLE, AND CHARGING METHOD FOR SAME - The present invention relates to a wireless charging system for an electric vehicle and to a charging method for same, in which electric power is wirelessly supplied to the electric vehicle through a plurality of wireless transceiving panels to charge a battery, and only the wireless transceiving panel that is opposite the electric vehicle at an optimum condition in consideration of the type and parked position of the vehicle selectively operates to perform a wireless transceiving operation, thereby maximizing wireless charging efficiency. For this purpose, the present invention provides a wireless charging system for an electric vehicle and a charging method for same, wherein the wireless charging system comprises: a power control device installed in a wireless charging station to control each wireless power-transmitting device; a wireless power-transmitting device and a ground near field wireless communication module, which are installed in a parking area; a plurality of wireless power-transmitting devices installed on the ground of the parking area to select and operate a portion of wireless transmitting panels opposite the vehicle in accordance with electric vehicle charging information; a plurality of wireless receiving panels installed in the lower portion of the electric vehicle such that the panels are movable in the upward and downward directions; and a wireless power receiver, a wireless charging terminal, a near field communication module and a charge controller installed within the electric vehicle, thereby performing optimized wireless charging in accordance with the selection of a driver made via the wireless charging terminal.08-16-2012
20120153893WIRELESS ENERGY TRANSFER FOR SUPPLYING POWER AND HEAT TO A DEVICE - Described herein are improved capabilities for a source resonator having a Q-factor Q06-21-2012
20120153894WIRELESS ENERGY TRANSFER AND CONTINUOUS RADIO STATION SIGNAL COEXISTENCE - This disclosure provides systems, methods and apparatus for wirelessly transmitting power while avoiding interference with wireless communication devices. In one aspect a wireless power transmitter apparatus is provided. The wireless power transmitter apparatus includes a transmit circuit configured to wirelessly transmit power at a transmit frequency to a first receiver device. The wireless power transmitter apparatus further includes a controller circuit configured to reduce a level of emission of the transmit circuit at a determined frequency during a period of time based on information about an information signal transmitted to a second receiver device substantially at the determined frequency to be received within the period of time.06-21-2012
20120025761RESONANCE TYPE NON-CONTACT POWER SUPPLY SYSTEM FOR VEHICLE AND ELECTRIC VEHICLE - A resonance type non-contact power supply system is provided that includes power supplying equipment and an electric vehicle. The power supply equipment includes an alternating-current power source and a primary-side resonance coil for receiving power from the alternating-current power source. The electric vehicle includes power receiving equipment and a vehicle height control device mounted on the electric vehicle. The power receiving equipment includes a secondary-side resonance coil that receives power from the primary-side resonance coil, a rectifier that rectifies the power received by the secondary-side resonance coil, and an electrical storage device, to which the power rectified by the rectifier is supplied. A resonance system that includes the primary-side resonance coil and the secondary-side resonance coil is configured such that impedance thereof is adjusted by the use of the vehicle height control device when the electrical storage device is charged.02-02-2012
20120025760FEED SYSTEM, FEED APPARATUS, AND ELECTRONIC DEVICE - A feed system includes a plurality of electronic devices; and a feed apparatus having a power transmission section performing electric power transmission using a magnetic field to the plurality of electronic devices. Each of the electronic devices includes a power receiving section receiving electric power transmitted from the power transmission section, and a switching section switching whether or not to carry out charging operation based on the electric power received by the power receiving section, according to time sharing control by a system control section.02-02-2012
20120025758CONTACTLESS POWER TRANSFER SYSTEM - A contactless charging system is presented. The contactless charging system includes an electrical outlet coupled to a power source and comprising a primary coil. An inlet on a vehicle comprising a dielectric region is disposed within a cavity. A secondary coil is disposed within the cavity and coupled to a storage module. A field focusing element is disposed proximate the dielectric region and configured to focus a magnetic field.02-02-2012
20120025759Electric Charger for Vehicle - A charger for an electric vehicle is provided. The charge provides for multiple inputs that are combined to provide a single output at higher charging level. The charger includes a toroidal transformer that is electrically coupled between the multiple inputs and the output. The charge may also include a connection to allow an electrical vehicle to communicate with external controllers or servers.02-02-2012
20110089895WIRELESS ENERGY TRANSFER - Disclosed is an apparatus for use in wireless energy transfer, which includes a first resonator structure configured to transfer energy non-radiatively with a second resonator structure over a distance greater than a characteristic size of the second resonator structure. The non-radiative energy transfer is mediated by a coupling of a resonant field evanescent tail of the first resonator structure and a resonant field evanescent tail of the second resonator structure.04-21-2011
20110089894Contactless battery charging apparel - A sequential power transmission between a portable user-carried battery and first and second independent accessories. At least one primary inductive coupling coil is mounted on an article of apparel worn by the user, so as to place a primary coil adjacent a first intermediary inductive coupling coil on the first independent accessory. The energizing of the first intermediary coil energizes a second intermediary coil on the first independent accessory. The second intermediary coil, when energized, energizes a secondary coil on the second independent accessory for powering the use, including the charging of the batteries of that accessory.04-21-2011
20120119698WIRELESS ENERGY TRANSFER FOR VEHICLES - A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, wherein at least one of the first electromagnetic resonator and the second electromagnetic resonator is variable in size, and wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.05-17-2012
20120119699External Charger for an Implantable Medical Device Having at Least One Moveable Charging Coil - Improved external chargers for charging an implantable medical device, and particularly useful in charging a plurality of such devices, are disclosed. Each of the various embodiments include design elements for mechanically manipulating the position of one or more charging coils within the external charger to customize the magnetic charging field as appropriate for the charger/implantable device environment. For example, a single charging coil may be moved within a housing of the external charger to direct the charging field of the coil towards the currently “coldest” implant, i.e., the implant with the lowest coupling to the external charger. The one or more charging coils may be mechanically manipulated within the external charger housing in a number of ways, including by using linear actuators, by inflatable bladders, or even by hand.05-17-2012
20120212178DEVICE, SYSTEM, AND METHOD FOR INDUCTIVE CHARGING - In a device system, and method for inductive charging, an efficiency of transmission of electromagnetic induced power may be maximized. Specifically, a control portion of a charging device may change an attribute, such as position or area, of a primary coil as to be more aligned with a secondary coil of to be charged device.08-23-2012
20120119700COIL SYSTEM - In supplying energy to a medical device implanted in a mammal patient a first coil system (05-17-2012
20120119697INDUCTIVE POWER TRANSFER APPARATUS AND ELECTRIC AUTOCYCLE CHARGER INCLUDING THE INDUCTIVE POWER TRANSFER APPARATUS - The invention provides an electric autocycle support apparatus comprising an autocycle engagement device adapted to support an autocycle, the engagement device having a coil adapted to provide a magnetic field for inductively charging an autocycle supported by the apparatus. The invention also provides an electric autocycle stand and a charging system.05-17-2012
20120249063INDUCTIVE CHARGING SYSTEM FOR AN ELECTRIC VEHICLE - An electric vehicle includes a charging receiver unit. The charging receiver unit includes a plurality of core members, a plurality of biasing devices, and a receiver wire. The plurality of core members are disposed in spaced relationship to one another. Each of the plurality of core members is configured for alignment with a plurality of magnetic elements. The plurality of biasing devices longitudinally bias a respective one of the plurality of core members toward a respective one of the plurality of magnetic elements such that magnetic flux is transmitted between each of the plurality of magnetic elements and the respective one of the plurality of core members. The receiver wire is disposed in electrical communication with each of the plurality of core members. Magnetic flux in the plurality of core members induces electrical current in the receiver wire.10-04-2012
20100289449WIRELESS ENERGY TRANSFER - An apparatus (11-18-2010
20100289448Induction Charging Device - An induction charging device for charging an energy accumulator of a mobile electric device is provided. The device includes a coil for energy transmission; and a control for energy transmission. The control is connected to a capacitor with a modifiable capacitance, and the capacitor is designed such that its capacitance changes as a function of whether the mobile electric device is in a charging position or not.11-18-2010
20100244768AUTOMOTIVE FOB SYSTEM - An automotive fob system may include an automotive fob and a fob charging receptacle. The automotive fob may have a loop feature, and include a power storage unit and a first inductive coil electrically connected with the power storage unit. The first coil may form a loop and be disposed in the loop feature. The fob charging receptacle may include a magnetic core configured to be inserted into the loop feature, and a second inductive coil wrapped around the core. The second inductive coil may be adapted to receive electrical current from a remote power source if electrically connected with the remote power source.09-30-2010
20120313576CHARGING ARRANGEMENT FOR A VEHICLE - The invention relates to a charging arrangement for a vehicle comprising an inductively chargeable mobile electronic appliance consisting of a multiplicity of different, inductively chargeable, mobile electronic appliances, having a secondary coil, charging electronics and a rechargeable battery and a charging device having a primary coil and a charging surface which is associated with the primary coil and above which the mobile electronic appliance can be placed down for charging. In this case, the primary coil can be fixed in a first primary position and in at least one second primary position on a primary plane relative to the charging surface, with the primary coil being fixed in the chosen primary position independently of shaking, vibrations or centrifugal forces acting on the charging arrangement, and independently of the presence of the mobile electronic appliance.12-13-2012
20120126745POWER SOURCE, CHARGING SYSTEM, AND INDUCTIVE RECEIVER FOR MOBILE DEVICES - A power source, charging system, and inductive receiver for mobile devices. A pad or similar base unit comprises a primary, which creates a magnetic field by applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field and transferring it to a mobile or other device. The receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. The system may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.05-24-2012
20120161696WIRELESS ENERGY TRANSFER VIA COUPLED PARASITIC RESONATORS - This disclosure provides systems, methods and apparatus for wirelessly transferring power using parasitic resonators. In one aspect a wireless power receiver apparatus for powering or charging an electric vehicle is provided. The wireless power receiver apparatus includes a receive circuit including a first coil. The receive circuit is configured to wirelessly receive power so as to power or charge or power the electric vehicle. The wireless power receiver apparatus further includes a passive circuit including a second coil. The passive circuit is configured to wirelessly receive power from a transmit circuit including a third coil. The passive circuit is further configured to wirelessly retransmit power received from the transmit circuit to the receive circuit. The wireless power receiver apparatus further includes a controller configured to displace the second coil from the first coil is provided.06-28-2012
20100207575METHOD OF CONTROLLING A POWER TRANSFER SYSTEM AND POWER TRANSFER SYSTEM - The present invention relates to a power transfer system which comprises a power transfer device (08-19-2010
20110181240INDUCTIVE CHARGING SYSTEM FOR ELECTRIC VEHICLE - A charging system for an electric vehicle that assists in aligning a primary charging coil and a secondary coil. The system may include a wheel chock that raises the primary coil into alignment with the secondary coil when a tire enters the wheel chock. The system may include a primary that is recessed below the surface supporting the vehicle and is protected by a cover. The secondary coil may be protected and supported by a skid plate mounted to the vehicle. The system may include a charging circuit that is controlled by signals transmitted by a garage door opener transmitter or a garage door opener. The system may include sensors that detect the presence of an animal or object in the space between the primary coil and the secondary coil.07-28-2011
20110181239Information processing apparatus, information processing method, and information processing system - A power charging system is provided. The power charging system may have an information processing apparatus having a first communication unit and a power receiving unit, and an external apparatus having a second communication unit and a power transmission unit. The second communication unit may be configured to wirelessly communicate with the first communication unit using a first carrier wave having a first frequency and the power transmission unit may be configured to wirelessly transmit power to the power receiving unit using a second carrier wave having a second frequency, the second frequency being different from the first frequency.07-28-2011
20110181238Modular pocket with inductive power and data - A modular pocket system includes a modularly mountable pocket modularly mountable to a tactical garment. An insert is mounted in the pocket to align and closely inductively couple a primary inductive coil and related primary drive circuits in the insert to a secondary inductive coil and related secondary charging circuits in a portable electronic device mountable into the insert for the inductively coupled transmission of power between the coils so to transmit power to the portable device, where the device has a rechargeable energy storage component electrically connected to the secondary inductive coil and secondary charging circuits.07-28-2011
20110181237EXTENDED RANGE WIRELESS CHARGING AND POWERING SYSTEM - Exemplary embodiments provide for an apparatus and a method for extended range wireless powering and charging of low-power electrical devices. The apparatus and method may comprise circuits and steps for receiving radio frequency energy; circuits and steps for resonating the radio frequency energy to increase the amplitude of the radio frequency energy; circuits and steps for retransmitting the resonated radio frequency energy; circuits and steps for receiving the retransmitted resonated radio frequency energy; and circuits and steps for converting for converting the retransmitted resonated radio frequency energy into direct current for the extended range wireless powering and charging of low-power electrical devices.07-28-2011
20120169277PORTABLE CHARGING DEVICE - A portable charging device includes a case, a power generation module, a storage module, and different types of charging connectors. The power generation module is received in the case, and configured for generating an induced current. The storage module is electrically connected with the power generation module, and configured for storing the induced current generated by the power generation module. The charging connectors are connected to the storage module and protrude from the case for electrically connecting to and charging different types of electronic devices.07-05-2012
20110199046FREQUENCY MODULATION TYPE WIRELSS POWER SUPPLY AND CHARGER SYSTEM - A frequency modulation type wireless power supply and charger system includes a power supply base unit consisting of a first microprocessor, a power circuit, a power switch driver circuit, a first resonant circuit, a first coil, a detection module and a power input interface, and a wireless power supply and charge receiver unit consisting of a secondary coil, a second resonant circuit, a rectifier filter circuit, a detection and protection module, a second microprocessor, a temperature sensor, a charging module and a power output interface and adapted for receiving electrical power from the power supply base unit wirelessly for charging an external electronic device. The detection and protection module of the wireless power supply and charge receiver unit detects the supply of the electrical power, and the second microprocessor sends a feedback signal to the power supply base unit through the signal generator circuit and the second resonant circuit subject to the detection of the detection and protection module for enabling the power supply base unit to control the power switch driver circuit to regulate its output power automatically, thereby minimizing power transmission loss and the load of the internal components of the wireless power supply and charge receiver unit.08-18-2011
20120176085REMOTE WIRELESS DRIVING CHARGER - A remote wireless driving charger includes: a transmitter; a primary side resonance capacitor connected to the transmitter; a primary coil which is connected to the primary side resonance capacitor and is tuned to be resonant with the primary side resonance capacitor in a predetermined power carrier frequency band; a secondary coil embedded in a portable device; and a secondary side resonance capacitor which is connected to the secondary coil and is tuned to be resonant with the secondary coil in the predetermined power carrier frequency band. Radioactive inductance components as micro loops of the primary coil and the secondary coil are cancelled out by the non-radioactive primary side resonance capacitor and secondary side resonance capacitor through an electromagnetic coupling between the primary coil and the secondary coil, and the portable device is remotely and wirelessly charged.07-12-2012
20120313579CONTACTLESS POWER SUPPLY DEVICE AND CONTACTLESS CHARGING SYSTEM - A primary-side controller (12-13-2012
20120313578NON-CONTACT AND CONTACT POWER CHARGING DEVICE AND CONTROLLING METHOD THEREOF - A non-contact-contact power charge device, and a controlling method thereof, includes: a charge contact terminal including a charge output voltage pin, a ground pin, and a non-contact charge connection pin, the charge contact terminal being able to connect to a contact power receiver and a non-contact power transmitter; and a voltage controller configured to apply a non-contact voltage to the charge output voltage pin if the charge contact terminal is connected while the non-contact power transmitter is contacted to the non-contact charge connection pin.12-13-2012
20120313577SYSTEM AND METHOD FOR DETECTING, CHARACTERIZING, AND TRACKING AN INDUCTIVE POWER RECEIVER - A system and method for detecting, characterizing, and tracking an inductive power receiver proximate to an inductive charging surface of an inductive charger. One or more resonators and one or more sensors provide information that can be utilized to detect, characterize, and track the inductive power receiver. The resonators can be configured to determine position of a remote device using magnitude or phase of sensors associated with resonators. In addition, by monitoring the inductive power transmitter and the resonators, the charger can differentiate between whether parasitic metal is present, a remote device is present, or both are present.12-13-2012
20120074899WIRELESS CHARGING COIL STRUCTURE IN ELECTRONIC DEVICES - The present inventions relates a wireless charging coil structure in electronic devices, comprising a PS coil module capable of emitting electromagnetic wave energy and a PR coil module capable of receiving power energy by electromagnetic induction. Each of the PS and PR coil modules includes a bar-shaped magnetic conductor, on which an insulated wire is wound into a first coil that is extended along the magnetic conductor to a given length and wound reversely into a second coil, thus producing an induction coil comprising at least the first and second coils. The induction range with given space formed between the first and second coils is used for electromagnetic induction to transmit signals and power energy. Such structure can be applied not only in planar handheld electronic devices, but also in other wireless power transmission systems that require narrow induction surface for power transmission.03-29-2012
20100007307WIRELESS CHARGING SYSTEM - The present invention provides wireless power supply systems that wirelessly supply power to a remote device for rapidly charging a charge storage capacitor, which charges a battery with the power stored in the charge storage capacitor. This allows the remote device to be positioned near the inductive power supply for rapid charging of the charge storage capacitor and allows battery charging to continue even after the remote device is removed from the inductive power supply.01-14-2010
20090284220METHOD AND APPARATUS FOR ADAPTIVE TUNING OF WIRELESS POWER TRANSFER - Exemplary embodiments are directed to wireless power transfer. A transmit antenna generates an electromagnetic field at a resonant frequency of to create a coupling-mode region within a near field of the transmit antenna. A receive antenna receives the resonant frequency when it is within the coupling-mode region and resonates substantially near the resonant frequency. One, or both, of the transmit and receive antennas are tunable antennas that can be adaptively tuned. The adaptive tuning is accomplished by detecting a mismatch at the tunable antenna and generating a mismatch signal responsive to a voltage standing wave ratio at the tunable antenna. A resonance characteristic of the tunable antenna can be modified by adjusting a capacitance of a variable capacitor network connected to the tunable antenna.11-19-2009
20100264871INDUCTIVE CHARGERS AND INDUCTIVE CHARGING SYSTEMS FOR PORTABLE ELECTRONIC DEVICES - An apparatus is provided for wirelessly charging a portable electronic device. An embodiment of the apparatus includes an inductive charger with a housing having an internal compartment, wherein the internal compartment has a first lateral dimension, and a primary coil disposed within the internal compartment. The primary coil has a second lateral dimension that is less than the first lateral dimension, and the primary coil is slidably engaged within the internal compartment.10-21-2010
20090322280POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, POWER RECEIVING CONTROL DEVICE, POWER RECEIVING DEVICE, AND ELECTRONIC APPARATUS - A power transmission control device included in a contactless power transmission system in which power is transmitted from a power transmission device to a power receiving device by electromagnetically coupling a primary coil and a secondary coil and the power is supplied to a load of the power receiving device, includes a controller controlling the power transmission control device, and a load condition detection circuit detecting a load condition on a power receiving side. The controller determines the load condition on the power receiving side based on threshold information received from the power receiving device and load condition detection information from the load condition detection circuit.12-31-2009
20120256585SYSTEM AND METHOD FOR INDUCTIVE CHARGING OF PORTABLE DEVICES - A system and method for variable power transfer in an inductive charging or power system. In accordance with an embodiment the system comprises a pad or similar base unit that contains a primary, which creates an alternating magnetic field. A receiver comprises a means for receiving energy from the alternating magnetic field and transferring it to a mobile device, battery, or other device. In accordance with various embodiments, additional features can be incorporated to provide greater power transfer efficiency, and to allow the system to be easily modified for applications that have different power requirements; such as variations in the material used to manufacture the primary and/or the receiver coils; modified circuit designs to be used on the primary and/or receiver side; and additional circuits and components that perform specialized tasks, such as mobile device or battery identification, and automatic voltage or power-setting for different devices or batteries.10-11-2012
20120256586System for the Inductive Charging of an Energy Accumulator of a Vehicle, and Charging Station - A system for the inductive charging of an energy accumulator of a vehicle, and a charging station, an electronic circuit being provided in the interior of a hood, the opening of which is situated at the bottom side of the hood.10-11-2012
20120187904NON-CONTACT CHARGING MODULE AND RECEPTION-SIDE AND TRANSMISSION-SIDE NON-CONTACT CHARGING APPARATUSES USING THE SAME - It is an object to provide a non-contact charging module that uses a magnet included in a counterpart-side non-contact charging module or does not use the magnet when aligning with the counterpart-side non-contact charging module is performed. An L value of a coil that is provided in the non-contact charging module is not changed. This non-contact charging module includes a planar coil portion where electrical lines are wound and a magnetic sheet that places a coil surface of the planar coil portion and faces the coil surface of the planar coil portion, and in the magnetic sheet, a hole portion is provided at the position corresponding to a hollow portion of the planar coil portion.07-26-2012
20120187903NON-CONTACT CHARGING MODULE AND RECEPTION-SIDE AND TRANSMISSION-SIDE NON-CONTACT CHARGING APPARATUSES USING THE SAME - It is an object to provide a non-contact charging module that prevents the magnet from negatively influencing particularly the inside portion of a coil and improves power transmission efficiency, even when a magnet is used for alignment. This non-contact charging module is a reception-side non-contact charging module, to which power is transmitted from a transmission-side non-contact charging module which is equipped with magnet, by electromagnetic induction, in which the non-contact charging module includes a planar coil portion around which spiral electric lines are wound, and a magnetic sheet disposed to face the surface of coil of the planar coil portion so that it faces the magnet of the transmission-side contact module, in which the inner diameter of the planar coil portion is larger than the magnet.07-26-2012
20090021211Media portal for vehicle - A media portal for a vehicle includes a structure within a vehicle passenger compartment that defines a cavity. The cavity is selectively variable in size in order to retain a portable electronic device. A sensor is configured to detect the presence of the portable electronic device in the cavity. An inductive charger is positioned to generate a changing magnetic field in the cavity to inductively charge a battery of the portable electronic device. At least one user interface device is included through which data can be received from or transmitted to the portable electronic device.01-22-2009
20120262108RECHARGE TUNING TECHNIQUES FOR AN IMPLANTABLE DEVICE - Techniques are disclosed for tuning a frequency at which an external device transcutaneously transfers energy. The transferred energy may be used to charge a rechargeable power source of an implantable medical device (IMD) and/or to power the IMD directly. One embodiment relates to a charging system that may comprise a circuit to drive a primary coil of an external device at a drive frequency and a control circuit to tune the drive frequency based on a characteristic of a monitored signal that is associated with the primary coil. The characteristic is not present when the primary coil is being driven at a resonant frequency of the system. In a specific example, the characteristic comprises a stub pulse and the control circuit is configured to tune the drive frequency based on at least one of a relative timing and a width of the stub pulse.10-18-2012
20120229084SYSTEM AND METHOD FOR COMPATIBLE WIRED CHARGING AND WIRELESS CHARGING - A system and method for enabling compatibility of wired charging with wireless charging are disclosed. The system includes an interface circuit, a wired charging unit and a wireless charging unit. The interface circuit is configured to connect the wired charging unit and the wireless charging unit to a power management unit; the wired charging unit is connected to the power management unit via an interface circuit and is configured to charge the power management unit by using a charging circuit in the power management unit; and the wireless charging unit is connected to the power management unit via the interface circuit and is configured to charge the power management unit by using the same charging circuit as that used by the wired charging unit. The method includes that an interface circuit connects a wired charging unit and a wireless charging unit to a power management unit, and the wireless charging unit and the wired charging unit use the same charging circuit in the power management unit to charge the power management unit. The system and method may avoid hidden dangers and guarantee display of the charging state of the terminal which is being charged in a wireless manner.09-13-2012
20120229083HANDHELD TOOL BATTERY CHARGING MEANS - A handheld tool battery charging unit, e.g., for a handheld machine tool battery, has at least one battery accommodation region and at least one detachable battery contact unit provided to be connected to at least one battery pack, as well as at least one charging connection element provided for receiving energy transmitted in a wireless manner.09-13-2012
20120299541SENDER CONTROLLER FOR WIRELESS POWER TRANSFER - A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.11-29-2012
20120299539LIGHT WITH INTEGRATED INDUCTIVE CHARGER BASE STATION - A light comprises a lamp and an integrated inductive charger for coupling to a device having an inductive charger receiver connected thereto. The inductive charger receiver receives an electrical charge to charge a battery in the device. The lamp of the light provides illumination. The integrated inductive charger and the lamp are both electrically connected to a power supply. The integrated inductive charger can charge the battery in the device when the lamp is turned off. The lamp can be turned on without the integrated inductive charger providing an electrical charge. Alternatively, the integrated inductive charger can charge the battery in the device while the lamp is also turned on.11-29-2012
20110121778Electrical powered vehicle and power feeding device for vehicle - An electrical powered vehicle includes a secondary self-resonant coil, a secondary coil, a rectifier, and a power storage device. The secondary self-resonant coil is configured to be magnetically coupled with a primary self-resonant coil of a power feeding device by magnetic field resonance, and allow reception of high frequency power from the primary self-resonant coil. The secondary coil is configured to allow reception of electric power from the secondary self-resonant coil by electromagnetic induction. The rectifier rectifies the electric power received by the secondary coil. The power storage device stores the electric power rectified by the rectifier.05-26-2011
20110121777Efficient External Charger for Charging a Plurality of Implantable Medical Devices - An improved external charger for a battery in an implantable medical device (implant), and technique for charging batteries in multiple implants using such improved external charger, is disclosed. During charging, values for a parameter measured in the implants are reported from the implants to the external charger. The external charger infers from the magnitudes of the parameters which of the implants has the highest and lowest coupling to the external charger, and so designates those implants as “hot” and “cold.” The intensity of the magnetic charging field is optimized for the cold implant consistent with the simulation to ensure that that the cold implant is charged with a maximum (fastest) battery charging current. The duty cycle of the magnetic charging field is also optimized for the hot implant consistent with the simulation to ensure that the hot implant does not exceed the power dissipation limit. As a result, charging is optimized to be fast for all of the implants, while still safe from a tissue heating perspective.05-26-2011
20100327805Battery Charger - A battery charger (12-30-2010
20080297107Contactless power transferring coil unit, mobile terminal, power transmitting apparatus, and contactless power transferring system - A contactless power transferring coil unit is provided. The contactless power transferring coil unit includes a flat coil, a magnetic film, and a leaking flux detecting coil. The flat coil is formed by winding a conductive wire into a spiral on a substantially flat plane. The magnetic film is disposed so as to cover one entire flat surface of the flat coil. The leaking flux detecting coil is disposed in a periphery outside an outer edge of the flat coil and the magnetic film and detects leaking magnetic flux from the flat coil.12-04-2008
20120235638METHOD OF CONTROLLING A POWER TRANSFER SYSTEM AND POWER TRANSFER SYSTEM - A power transfer system which includes a power transfer device as well as at least one portable device, and to a method of controlling the power transfer system specifically in case of a dead battery condition of a battery of the portable device. The power transfer device for wireless charging of the battery arranged in the portable device and the power transfer device each comprise a near field communication functionality for data communication by a data communication link between the devices. The method includes a step of starting to establish the data communication link between the power transfer device and the portable device.09-20-2012
20110018499CONTACTLESS CHARGING APPARATUS - A contactless charging apparatus (01-27-2011
20120326662NON-CONTACT POWER SUPPLY DEVICE, NON-CONTACT POWER RECEIVING DEVICE, AND NON-CONTACT POWER CHARGING SYSTEM - A contactless power transmitting device is provided with: a primary coil that can be magnetically coupled with a secondary coil of a contactless power receiving device; a first temperature sensor that detects the ambient temperature of the primary coil; a second temperature sensor that detects the temperature at a different location to the first temperature sensor; and a control unit. The control unit is configured to determine whether a value obtained by subtracting the temperature detected by the second temperature sensor from the ambient temperature of the first coil detected by the first temperature sensor exceeds a predetermined threshold value, and to stop the power to the first coil when the subtracted value exceeds the threshold value.12-27-2012
20120326660Wireless Power Transmission - A system for wireless power transmission may include one or more charging panels and one or more powered devices. The charging panel may include a pilot analysis circuitry, processor and power transmitter. The pilot analysis circuitry may be configured to analyze the magnitude and phase of a pilot signal from the powered device, based on which the processor may be configured to determine a complex conjugate of the pilot signal. And the power transmitter may be configured to cause radiation of a focused wireless power beam to the powered device in accordance with the complex conjugate of the pilot signal and via one or more antenna elements. The charging panel may be one of a plurality of spatially-distributed charging panels each of which includes respective antenna elements that may form an array of antenna elements configured to collaboratively radiate wireless power as a distributed, retro-reflective beamformer.12-27-2012
20120326661CONTACTLESS POWER RECEIVING DEVICE, AND CONTACTLESS CHARGING SYSTEM - A contactless power-receiving device, which is connected to equipment via a connection terminal and which supplies power to the load for the equipment, provided with: a secondary coil which intersects the alternating magnetic flux generated from a primary coil to which an alternating power is supplied; and a control unit which supplies induced electromotive force of the secondary coil to the load. The control unit determines the amount of charge in the load and determines whether or not to supply power to the load on the basis of the determined amount of charge.12-27-2012
20120326658CALIBRATION AND ASSIGNMENT PROCESSES IN WIRELESS POWER TRANSFER SYSTEMS - Systems and methods pertaining to wireless power transfer are disclosed. Specifically, disclosed herein are calibration procedures that incorporate transmission of a reference power charge from a wireless power charger to permit determination of an optimized receiver circuitry configuration in one or more wirelessly chargeable devices. The result of the calibration procedures may then be used by the wireless charger to assign various frequencies to several wirelessly chargeable devices so as to optimally transfer a steady state power charge at one or more frequencies to the wirelessly chargeable devices.12-27-2012
20120326659WIRELESS BATTERY CHARGER OF MOVING COIL TYPE - The present invention discloses a wireless battery charger of moving coil type that moves a table (12-27-2012
20120326657BI-PHASE COMMUNICATION DEMODULATION TECHNIQUES - One aspect of the present invention includes a bi-phase communication receiver system. The system includes an analog-to-digital converter (ADC) configured to sample a bi-phase modulation signal to generate digital samples of the bi-phase modulation signal. The system also includes a bi-phase signal decoder configured to decode the bi-phase modulation signal based on the digital samples. The system further includes a preamble detector comprising a digital filter configured to evaluate the digital samples to generate an output and to detect a preamble of the bi-phase modulation signal for decoding the bi-phase modulation signal based on the output.12-27-2012
20120319646WIRELESS POWER FEEDING SYSTEM - An object is to provide a wireless power feeding system using the resonance method, which can increase power transmission efficiency. The wireless power feeding system includes a power transmission coil electrically connected to a high-frequency power supply, a power transmission resonance coil for transmitting power by electromagnetic induction with the power transmission coil, a power reception resonance coil for exciting high-frequency power by magnetic resonance, a load coil for exciting high-frequency power by electromagnetic induction with the power reception resonance coil, a load, and a variable element. The load includes a microprocessor for controlling the impedance of the load, a battery charger, and a battery. The battery charger is configured to charge the battery with the high-frequency power excited by the load coil.12-20-2012
20120319644CONTACTLESS CHARGING SYSTEM - A contactless charging system comprises a charger, a vehicle and a controller. The charger comprises a power supply for providing a first electric power; a first transmitter electrically connected to the power supply and transforming the first electric power into a first electromagnetic energy; and a second transmitter electrically connected to the power supply and transforming the first electric power into a second electromagnetic energy. The vehicle comprises a receiver placed nearby the first transmitter and the second transmitter, for contactlessly receiving the first electromagnetic energy or the second electromagnetic energy, and transforming the first electromagnetic energy or the second electromagnetic energy into a second electric power; and a battery assembled in the vehicle and electrically connected to the receiver for storing the second electric power. The controller selectively enables the first transmitter or the second transmitter according to the charging efficiency.12-20-2012
20120268064Inductively Rechargeable Portable Charger - A portable charger is provided. The portable charging includes a housing and a power source located in the housing so that that the power source can be inductively recharging through the housing. The portable charger also includes a first output connector coupled to the power source for charging a first electronic device, as well as a second output connector coupled to the power source that is different from the first output connector for charging a second electronic device. The first output connector and the second output connector are configured to be at least partially stored within the housing in order to minimize size of the charger.10-25-2012
20120319647MAGNETIC CIRCUIT, POWER-SUPPLYING DEVICE AND POWER-RECEIVING DEVICE FOR NON-CONTACT CHARGING APPARATUS, AND NON-CONTACT CHARGING APPARATUS - A magnetic circuit for a non-contact charging apparatus comprising a coil, a coil yoke disposed on the rear surface side of the coil, and a magnetic attraction means disposed in a hole of the coil yoke with a magnetic gap in plane and/or thickness directions.12-20-2012
20120319645WIRELESS DATA READER AT CHECKSTAND - A checkstand system including a counter surface within which a plurality of induction charge transmission coils are embedded in or disposed below the counter at selected charge positions about the countertop whereby a cordless peripheral, such as a data reader, is positionable and movable between multiple positions about the counter surface, the peripheral including an induction charge receiving coil operative to receive a charge current from one of the induction charge transmission coils when the peripheral is placed in proximity of a selected one of the charge positions on the checkstand. In one configuration, the system includes a temperature sensing component disposed proximal to an induction charge transmission coil and a controller operative for receiving a temperature signal from the temperature sensing component and adjusting the charge current delivered to the induction charge transmission coil in response to the signal.12-20-2012
20110221390WIRELESS POWER CHARGING METHOD AND APPARATUS - A wireless charging method and apparatus wirelessly charges power between separate electronic appliances. The wireless charging method includes searching for at least one chargeable electronic device, receiving status information from the searched at least one electronic device, determining whether the electronic device is a power supply electronic device or a power demand electronic device, receiving a supply of power from the searched at least one electronic device if the electronic device is determined to be the power demand electronic device, and supplying the power to the at least one electronic device if the electronic device is determined to be the power supply electronic device.09-15-2011
20120126746WIRELESS CHARGING SYSTEM - A wireless charging system includes a charger and an electronic device. The charger includes a power input port including two input terminals for connecting to a power source and a power output port including two first metal sheets respectively connected to the two input terminals. The electronic device includes a power input port including two second metal sheets, a voltage conversion circuit connected to the two second metal sheets, a rectifier and filter circuit, and a battery. When the power output port of the charger is close to and faces the power input port of the electronic device. The two first metal sheets and the two second metal sheets form two capacitors, the power source provides power to the electronic device via the two capacitors and charges the battery after the power is processed by the voltage conversion circuit and the rectifier and filter circuit.05-24-2012
20120081069COMMUNICATION APPARATUS AND SIGNAL PROCESSING METHOD - A communication apparatus for a portable electronic device. The communication apparatus includes a charging module, a transceiver module and a signal repeating unit. The charging module provides a charging function in a wired or wireless manner to charge up the portable electronic device. The transceiver module receives signals from the portable electronic device and transmits enhanced signals to an air interface. The signal repeating unit receives the signals and enhances the signals to generate the enhanced signals.04-05-2012
20100231163Self-Charging Electric Vehicles and Aircraft, and Wireless Energy Distribution System - A method and system for efficient distribution of power using wireless means, and a system and method for wireless power distribution to provide electric devices, such as vehicles with a way to continuously and wirelessly collect, use and charge their power systems and thereby use the transmitted power for operation. The system and method allows a hybrid, simplified and less costly way to charge devices, such as vehicles so that the devices continuously operate while charging/recharging.09-16-2010
20110241609WIRELESS ENERGY TRANSMISSION STRUCTURE - Disclosed herein is a wireless energy transmission structure, which includes a printed circuit board, a disk section, and a wire section. The printed circuit board is formed in a ring type, the disk section is constituted by a first conductive plate and a second conductive plate formed on portions of the printed circuit board corresponding to each other to be spaced by a predetermined gap and a dielectric material inserted between the first conductive plate and the second conductive plate, and the wire section is constituted by a plurality of meta cells having a meta material structure, which are repetitively formed to surround the exterior and interior of the printed circuit board and a transmission line connected to each of the first conductive plate and the second conductive plate and surround the plurality of meta cells.10-06-2011
20100225270WIRELESS POWER TRANSFER FOR CHARGEABLE DEVICES - Exemplary embodiments are directed to wireless power. A portable chargeable device may comprise an energy storage device configured to receive power from a power source. Furthermore, the portable chargeable device may comprise a transmitter including at least one antenna and configured to transmit power stored in the energy storage device within an associated near-field region.09-09-2010
20100225271ELECTRICAL POWERED VEHICLE AND POWER FEEDING DEVICE FOR VEHICLE - An electrical powered vehicle includes a secondary self-resonant coil, a secondary coil, a rectifier, and a power storage device. The secondary self-resonant coil is configured to be magnetically coupled with a primary self-resonant coil of a power feeding device by magnetic field resonance, and allow reception of high frequency power from the primary self-resonant coil. The secondary coil is configured to allow reception of electric power from the secondary self-resonant coil by electromagnetic induction. The rectifier rectifies the electric power received by the secondary coil. The power storage device stores the electric power rectified by the rectifier.09-09-2010
20120280652Transmission System for Charging the Traction Batteries of an Electrically Driven Motor Vehicle - A system for charging an electric vehicle includes a vehicle-side transformer part arranged behind a license plate of the vehicle. The vehicle-side transformer part couples with a charging station-side transformer part through the license plate when the charging station-side transformer part is arranged in front of the license plate such that electrical energy can be transferred through the transformer parts to the vehicle.11-08-2012
20120280649CHARGING APPARATUS FOR ELECTRIC VEHICLE - An electric vehicle charging apparatus. The electric vehicle charging apparatus includes an electric vehicle including a vehicle coil connected to a charging circuit connected to a storage battery, a parking stop arranged on a parking lot surface, a stop coil arranged within the parking stop to generate an induced current in the vehicle coil when the vehicle coil is arranged in a vicinity of the stop coil and an operation unit connected to the stop coil to raise the stop coil.11-08-2012
20120280648APPARATUS AND METHOD FOR CHARGING WIRELINE AND WIRELESS POWERS - Disclosed herein are an apparatus and a method for charging wireline and wireless powers. The apparatus for charging wireline and wireless powers includes: a main battery; an auxiliary battery; a wireline charging module providing wireline power to the main and auxiliary batteries; and a wireless charging module connected to the wireline charging module to thereby provide wireless power to the main and auxiliary batteries. Therefore, wireline charging and the wireless charging may be simultaneously performed, thereby making it possible to save a time required to charge power and to improve the convenience for users according to various charging scenarios using the wireline charging and the wireless charging.11-08-2012
20120280651DEVICE HOUSING A BATTERY AND CHARGING PAD - The charging pad (11-08-2012
20120280650Wireless Power Transfer System and Methods - Systems and methods pertaining to wireless power transfer are disclosed. In one implementation, a system includes a wireless charger that is used to charge at least one wirelessly chargeable device. The wireless charger includes a master communication system and at least one wireless power charge transmitter, while the wirelessly chargeable device includes a slave wireless communication system configured at least in part, for communicating with the master wireless communication system in order to execute a wireless power charging operation. The wirelessly chargeable device further includes a wireless power charge receiver configured to receive a wireless power charge from the wireless power charge transmitter contained in the wireless charger.11-08-2012
20130009594INDUCTIVE CHARGING DEVICE AND CONTROL METHOD - A charging device for a rechargeable energy store which has a first induction coil includes: a coupling surface for positioning the first energy store; a second induction coil for generating a magnetic field in the area of the coupling surface to transfer electrical energy between the first and second induction coils; and a direction control system for bringing an alignment of the field of the second induction coil in line with an alignment of the first induction coil.01-10-2013
20120091952CONTACTLESS CHARGING SYSTEM - Provided is a contactless charging system which can easily position a primary coil in a contactless charging apparatus and a secondary coil in a device to be charged. The contactless charging system (04-19-2012
20120091951APPARATUS AND METHOD FOR DISPLAYING MEASURED STRENGTH IN WIRELESSLY CHARGING BATTERY - In an electronic apparatus for charging a battery using wireless power transmission, a receiving unit receives power wirelessly transmitted from a transmission unit of a charger pad. A power supply unit receives power from the receiving unit and uses the received power as charging power or provides the received power to a measurement unit. The measurement unit measures at least one of a power, voltage or current applied to the power supply unit through the wireless power transmission. A display unit displays an indication as to a possibility of charging or an estimated remaining charging time according to the measured one of the power, voltage, and current. A control unit provides a command to the measurement unit so as to measure the at least one of the power, voltage and current applied to the power supply unit and controls the display unit.04-19-2012
20120091950POSITION INSENSITIVE WIRELESS CHARGING - A wireless charging pad includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L04-19-2012
20120091949WIRELESS ENERGY TRANSFER FOR ENERGIZING POWER TOOLS - A wireless energy transfer system for energizing power tools includes at least one source resonator, configured to generate an oscillating magnetic field, and at least one power tool component attached to at least one device resonator, wherein the at least one device resonator is configured to wirelessly receive energy from the at least one source resonator via the oscillating magnetic field, and wherein the at least one power tool component can receive energy at multiple positions relative to the at least one source.04-19-2012
20120091948CONSOLE DOOR POCKET FOR ELECTRONIC DEVICES - A wireless power charging or supply system provides a wireless charging coil mounted on or in console in a vehicle interior. Electronic devices placed in or near the console are powered and/or charged by the charging coil. The charging coil may be located in a door having a pocket for receiving the electronic device.04-19-2012
20120286724Mobile wireless charger system - A mobile wireless charger system includes a supplying-end module and a receiving-end module. The supplying-end module adjusts the output wave energy to the receiving-end module at a handheld apparatus by means of modulated frequency and driving power. The microprocessor of the supplying-end module can receive different voltage input from different power sources, such as high voltage city power supply or low voltage solar cell for charging a rechargeable battery at the handheld apparatus in a wireless manner.11-15-2012
20120286727METHOD AND APPARATUS FOR AVOIDING NOISE IN NON-CONTACT CHARGING SYSTEM - A wireless charging method in a wireless charging system is provided. In the method, wireless charging is performed by providing wireless charging power to a charging circuit. When both a first communication signal and a second communication signal are detected while the wireless charging is performed, the wireless charging power is isolated from the charging circuit. The wireless charging power is isolated so that noise included in the wireless charging power is not provided to the charging circuit.11-15-2012
20120286725Methodologies for Implementing Smart Control of Vehicle Charging - The described method and system provide for remotely controlling the charging operation of plurality of vehicles. In one implementation, a call center may receive a request from a utility regarding a particular grid and sends out an inquiry to locate vehicles in that grid. Once the vehicles have been located, the call center sends a command to those vehicles corresponding to the utility's request. In another implementation, vehicles may register information with the call center every time a charging event takes place, and the call center keeps track of the location of each vehicle based on the registration. When the call center receives a request from a utility, the call center may directly send out commands to vehicles based on the request. In other implementations, vehicle charging may be remotely controlled through the call center by consumers, the utility, or a home energy management system (HEMS). The charging control may further be customized based on a variety of information and preferences provided to the call center by the consumer, utility, or HEMS.11-15-2012
20120286728WIRELESS ENERGY TRANSFER SYSTEM AND METHOD FOR FEEDING AN ELECTRIC LOAD - A wireless energy transfer system and an associated method for feeding an electric load are provided. The system includes a transmitter which includes a generator adapted to generate a radiofrequency signal at a first frequency and a first resonant circuit adapted to transmit the radiofrequency signal; and a receiver adapted to receive the radiofrequency signal and comprising a second resonant circuit. The second resonant circuit is adapted to be located in the non-radiative near field generated by the first resonant circuit, and the transmitter includes frequency sweeping functionality, which imposes on the radiofrequency signal generator a cyclic excursion of the first frequency in the neighborhood of a nominal frequency of the generator so that, when the first frequency matches the resonant frequency of the second resonant circuit, a non-radiative energy transfer occurs.11-15-2012
20120139485EXTERNAL POWER SOURCE FOR AN IMPLANTABLE MEDICAL DEVICE HAVING AN ADJUSTABLE CARRIER FREQUENCY AND SYSTEM AND METHOD RELATED THEREFORE - A transcutaneous energy transfer system, transcutaneous charging system, external power source, external charger and methods of transcutaneous energy transfer and charging for an implantable medical device and an external power source/charger. The implantable medical device has a secondary coil adapted to be inductively energized by an external primary coil at a carrier frequency. The external power source/charger has a primary coil and circuitry capable of inductively energizing the secondary coil by driving the primary coil at a carrier frequency adjusted to the resonant frequency to match a resonant frequency of the tuned inductive charging circuit, to minimize the impedance of the tuned inductive charging circuit or to increase the efficiency of energy transfer.06-07-2012
20130009596BATTERY CHARGER CRADLE - In a battery charger cradle, a battery incorporated in a battery built-in device is charged by electric power induced to an induction coil. The cradle includes a primary coil for inducing electromotive force to the induction coil, a casing having a top plate atop of which the battery built-in device is placed, a movement mechanism for moving the primary coil along an inner surface of the top plate, and a position detection controller for detecting a position of the battery built-in device placed on the top plate and controlling the movement mechanism to bring the primary coil closer to the induction coil in the battery built-in device. When the battery built-in device is placed on the top plate, the position detection controller detects the position of the battery built-in device, and the movement mechanism moves the primary coil closer to the induction coil in the battery built-in device.01-10-2013
20130009595DEVICES FOR RECEIVING PERIODIC CHARGING - An apparatus for an energy storage device configured to store electrical energy received from a source. The energy storage device is configured to store the electrical energy received from the source via one or more temporary circuits created through the energy storage device and the source while the energy storage device and the source are moving relative to one another.01-10-2013
20130015813WIRELESS POWER RECEIVERAANM KIM; Joon-IlAACI SeoulAACO KRAAGP KIM; Joon-Il Seoul KRAANM Park; Sung-BumAACI Suwon-siAACO KRAAGP Park; Sung-Bum Suwon-si KRAANM Park; Se-HoAACI Suwon-siAACO KRAAGP Park; Se-Ho Suwon-si KRAANM Lee; Young-MinAACI Yongin-siAACO KRAAGP Lee; Young-Min Yongin-si KRAANM Lee; Woo-RamAACI Hwaseong-siAACO KRAAGP Lee; Woo-Ram Hwaseong-si KR - A wireless power receiver is provided for wirelessly receiving driving power from a wireless power transmitter. The wireless power receiver includes a power reception unit for wirelessly receiving the driving power from the wireless power transmitter. The wireless power receiver also includes a rectifier for rectifying the driving power output from the power reception unit into an Alternating Current (AC) power type. The wireless power receiver additionally includes a load unit for storing the rectified driving power output from the rectifier. The wireless power receiver further includes a controller for detecting an amount of the rectified driving power stored in the load unit to control output from the rectifier to the load unit. The wireless power receiver also includes an impedance adjuster for adjusting an impedance in the power reception unit according to the amount of the rectified driving power stored in the load unit.01-17-2013
20130015811WIRELESS MOBILE COMMUNICATION DEVICE UTILIZING ANTENNA FOR POWER CHARGING AND WIRELESS CHARGING SYSTEM HAVING THE SAMEAANM TANG; CHAI-LUNAACI Miaoli CountyAACO TWAAGP TANG; CHAI-LUN Miaoli County TWAANM CHANG; YU-PINAACI Taoyuan CountyAACO TWAAGP CHANG; YU-PIN Taoyuan County TW - A wireless charging mobile communication device includes a wireless communication module, an electricity storage module, a converting module, an antenna module and a switching module. The antenna module receives and transmits wireless signal or electromagnetically induces a current. The switching module is electrically coupled to the antenna module, the wireless communication module, and the converting module. The switching module is for connecting the antenna module with the wireless communication module or connecting the antenna module with the converting module. The converting module is electrically coupled to the electricity storage module and converts the electromagnetically induced current for facilitating a charging of the electricity storage module. The converting module, the antenna module, and the switching module are integrated as an antenna device.01-17-2013
20130015812ELECTRICAL CHARGING SYSTEM HAVING ENERGY COUPLING ARRANGEMENT FOR WIRELESS ENERGY TRANSMISSION THEREBETWEEN - An electrical charging system (ECS) to electrically charge a battery includes a power transmitter, an energy coupling arrangement, at least one electrical signal shaping device (ESSD) including a controller, and an alignment means. The arrangement includes a first transducer disposed external to the vehicle and a second transducer attached with the vehicle. The alignment means communicates with the vehicle to ensure repeatable vehicle positioning so that the second transducer is positioned relative to the first transducer so that the second transducer receives the energy produced by the power transmitter wirelessly transmitted from the first transducer. The energy received by the second transducer is electrically shaped by the ESSD and further electrically transmitted through the ESSD as controlled by the controller to electrically charge the ESD. Methods to operate and electrically transmit energy through the ECS to electrically charge the EDS are also presented.01-17-2013
20130020988Multi-Frequency Wireless Systems and Methods - Systems and methods pertaining to multi-frequency wireless power transfer are disclosed. In one exemplary implementation, a wireless charger is used to generate and transmit two wireless power charges at two different frequencies, using a frequency division multiplexed (FDM) format. A wireless sly chargeable device that is inductively coupled to the wireless charger receives the two wireless power charges in the FDM format and uses the two charges to charge one or more chargeable batteries contained in the wirelessly chargeable device.01-24-2013
20120242287RESONANCE TYPE NON-CONTACT CHARGING DEVICE - A resonance type non-contact charging device includes a high frequency power source, a primary side resonant coil, a secondary side resonant coil, a charger, a secondary battery, and a stop control unit. The primary side resonant coil receives supply of high frequency electric power from the high frequency power source. The secondary side resonant coil is arranged apart from the primary side resonant coil in a non-contact manner. The secondary side resonant coil receives electric power from the primary side resonant coil through magnetic field resonance between the primary side resonant coil and the secondary side resonant coil. The charger receives supply of high frequency electric power from the secondary side resonant coil. The secondary battery is connected to the charger. The stop control unit stops the high frequency power source before stopping the charger when charging is to be stopped.09-27-2012
20120242285METHOD FOR CONTROLLING POWER TRANSMISSION IN WIRELESS POWER TRANSMISSION APPARATUS AND WIRELESS POWER TRANSMISSION APPARATUS THEREOF - A method for controlling a power transmission in a wireless power transmission apparatus, and a power transmission apparatus thereof. The method includes detecting via an object detecting sensor whether a foreign object is placed on a charging position of the wireless power transmission apparatus during a wireless charging; calculating a power loss of the wireless charging by a controller of the wireless power transmission apparatus if the foreign object is detected by the object detecting sensor; and stopping the wireless charging if the power loss is over a reference value.09-27-2012
20120242283PORTABLE DEVICE AND WIRELESS POWER CHARGING SYSTEM FOR PORTABLE DEVICE - A portable device is provided. The portable device includes a power receiving unit configured to receive a first energy or a second energy from a wireless power transmitter, the first energy being used to perform a communication function and a control function, the second energy being used to charge a battery, and the wireless power transmitter being configured to wirelessly transmit a power, a voltage generator configured to generate a wake-up voltage from the first energy, or to generate a voltage for charging the battery from the second energy, a controller configured to perform the communication function and the control function, the controller being activated by the wake-up voltage, and a communication unit configured to perform a communication with the wireless power transmitter based on a control of the controller.09-27-2012
20080252254Power storage device and semiconductor device provided with the power storage device - An object is to provide a power storage device provided with a battery that is a power storage means, for safe and accurate supply of electric power in a short period of time for drive power supply voltage without checking remaining capacity of the battery or changing batteries with deterioration over time of the battery for drive power supply voltage. The power storage device is provided with a battery that is a power storage means as a power supply for supplying electric power and a counter circuit for counting charging time of the power storage means. An electromagnetic wave with electric field intensity, magnetic field intensity, and power flux density per unit time which are transmitted from a power feeder are controlled, and the power storage means is efficiently charged using the electromagnetic wave in a short period of time.10-16-2008
20080238364SYSTEM FOR INDUCTIVE POWER TRANSFER - An inductive power transfer system including a synchronous drive system having a resonance control module. The resonance control module includes a primary coil module with a primary LC circuit. The resonance control module seeks and detects the resonant frequency of the primary LC circuit. The synchronous drive system further includes a switching coil amplifier for selectively energizing the primary coil to keep the primary LC circuit operating at or as close as possible to its natural resonant frequency. The inductive power transfer system may further include a secondary receiving unit. The secondary receiving unit includes a secondary LC circuit coupled with the primary LC circuit for inductively receiving power. The secondary LC circuit includes an LC filter and a rectifier unit for operating the secondary LC circuit at a mutual resonance with the primary LC circuit.10-02-2008
20130169219POWER SUPPLY MANAGEMENT FOR PORTABLE ELECTRONIC DEVICES - Power management notifications are provided to a user of a portable electronic device by monitoring a current power level of a power supply in a portable electronic device. A determination is made, with the portable electronic device, whether the current power level is one of less than and equal to a given threshold. One or more wireless detection operations are performed to determine whether a power supply charging device is in proximity to the portable electronic device. The power supply charging device is unattached to the portable electronic device. A notification is presented at the portable electronic device, in response to both the current power level is determined to be one of less than and equal to the given threshold, and the power supply charging device being wirelessly detected in proximity to the portable electronic device.07-04-2013
20130169220ELECTRICITY TRANSFER SYSTEM AND RELATED SYSTEMS AND METHODS - Some embodiments include an electricity transfer system. Other embodiments of related systems and methods are also disclosed.07-04-2013
20130169222MULTI WIRELESS CHARGING APPARATUS AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a multi wireless charging apparatus and a method for manufacturing the same. The multi wireless charging apparatus includes: a control unit wholly controlling a multi wireless charging process; and a plurality of wireless charging units electrically connected with the control and deformed into a roll form by being bonded so as to a plurality of interlayer voids at the time of laminating a plurality of flexible substrates. By this configuration, the multi wireless charging apparatus can be rolled up in a roll form while having a slim thickness and therefore, can be conveniently carried.07-04-2013
20130169223ELECTRONIC DEVICE FOR REDUCING INTERFERENCE BETWEEN A CHARGING COIL AND AN ANTENNA - An electronic device is provided. The electronic device includes a main body including a battery pack and a battery cover; a non-contact near field communication antenna included in the battery pack; and a wireless charging coil portion included in the battery cover and disposed around an outer periphery of the antenna, such that the wireless coil portion does not overlap with the non-contact near field communication antenna.07-04-2013
20130169224DEVICE HOUSING A BATTERY AND CHARGING PAD - A device housing a battery (07-04-2013
20130169225POWER SUPPLY SYSTEM, CHARGING CONTROL DEVICE, AND BATTERY DEVICE - There is provided a charging system including at least one battery device that includes a secondary cell therein, a charging device that performs contactless power transmission to transmit power to the battery device, and a charging control device that controls the contactless power transmission between the charging device and the battery device, wherein the battery device is a hexagonal cylinder having a bottom surface with a substantially regular hexagonal shape and having a predetermined height, wherein the charging device is a hexagonal cylinder having a bottom surface with a substantially regular hexagonal shape and having a predetermined height, and wherein the contactless power transmission is performed between the charging device and the battery device under control of the charging control device by stacking the battery device on the charging device.07-04-2013
20080224656Device For Recharging Batteries - The invention relates to a device (09-18-2008
20080224655MECHANICALLY FEATURELESS INDUCTIVE CHARGING - An inductive charging system including an inductive charger having an inductive charging surface and an alignment feature depicted on a surface of the inductive charger indicating a location of the inductive charging surface. A structural feature may extend substantially perpendicular to the alignment feature and provides a guide for positioning of a portable device to facilitate inductive changing of the portable device by the inductive charging surface. The inductive charger may include a plurality of inductive chargers positioned to facilitate charging of a portable device by two or more of the plurality of the inductive chargers.09-18-2008
20130169221CHARGING APPARATUS - A charging apparatus including a mounting portion on which a plurality of information processing apparatuses are mounted, a power transmission unit that transmits power in a non-contact manner to each of the plurality of information processing apparatuses placed on the mounting portion, and a control unit that receives a charge order instruction from at least one of the plurality of information processing apparatuses, and controls the power transmission unit to transmit power to each of the plurality of information processing apparatuses in an order determined based on the received charge order instruction.07-04-2013
20130175982Rechargeable Energy Storage Apparatus - Rechargeable energy storage apparatus is disclosed in which the form factors of batteries and power packs are emulated by apparatus of the invention. Preferred embodiments of the invention provide energy storage capabilities equal or superior to those of conventional batteries or power packs. The rechargeable energy storage apparatus also provides wireless charging capabilities and data functionality.07-11-2013
20130175981WIRELESS CHARGING DEVICE FOR PORTABLE ELECTRONIC DEVICE - Disclosed is a wireless charging device for portable electronic device. The portable electronic device has a circuit device that includes a battery. The wireless charging device includes: a wireless transmission unit and a logic control unit, a step-up/step-down unit, first and second reverse current protectors, and at least a supercapacitor electrically connected between the circuit device and the wireless transmission unit. The first and second reverse current protectors function to prevent reverse current and to switch. The step-up/step-down unit controls step-up conversion in discharging and step-down conversion in charging. The logic control unit detects if a load exists on an opposite side of the wireless transmission unit and controls the operations of the step-up/step-down unit and the first and second reverse current protectors. The supercapacitor absorbs surge occurring in each charging operation to prevent accumulated damage caused by the charging operations.07-11-2013
20130175983EFFICIENCY AND FLEXIBILITY IN INDUCTIVE CHARGING - A system and method for improved efficiency and flexibility in inductive charging. In accordance with an embodiment, the system comprises a base unit having one or more primary coils, wherein each primary coil is configured so that when a current is passed through it, a magnetic field is generated in a direction substantially perpendicular to the plane of the primary coil; one or more secondary coils or receivers associated with one or more mobile device; and one or more components within the base unit and/or the mobile device, for improving efficiency and/or flexibility in inductive charging. When the one or more mobile device is placed in proximity to the base unit, the perpendicular magnetic field is used to inductively generate a current in the one or more secondary coils or receivers associated therewith, to charge or power the device.07-11-2013
20130175984MOBILE TERMINAL POWER RECEIVING MODULE UTILIZING WIRELESS POWER TRANSMISSION AND MOBILE TERMINAL RECHARGABLE BATTERY INCLUDING MOBILE TERMINAL POWER RECEIVING MODULE - A mobile terminal power receiving module 07-11-2013
20130175985RAPID CHARGE, ON-THE-GO TRANSPORTATION SYSTEM - A rapid charge, on-the-go transportation system that (a) a plurality of roadways; and (b) a plurality of fast-charging, electrical energy sources placed along the roadways that are configured to charge plug-in, hybrid diesel, heavy duty trucks as they travel along the roadways.07-11-2013
20130175986WIRELESS ELECTRONIC DEVICE DOCKING SYSTEM - A wireless electronic device docking system includes an electronic device having a recessed area disposed on a working surface of the electronic device, the recessed area to receive a portable computer device. The docking system includes a wireless module to wirelessly charge the portable computer device when the portable computer device is disposed within the recessed area.07-11-2013
20110273138WIRELESS CHARGING SYSTEM - The present invention provides wireless power supply systems that wirelessly supply power to a remote device for rapidly charging a charge storage capacitor, which charges a battery with the power stored in the charge storage capacitor. This allows the remote device to be positioned near the inductive power supply for rapid charging of the charge storage capacitor and allows battery charging to continue even after the remote device is removed from the inductive power supply.11-10-2011
20120249064WIRELESS CHARGING SYSTEM AND CONTROL METHOD THEREOF AS WELL AS PORTABLE ELECTRONIC DEVICE AND CHARGING DEVICE - An object of the present invention is to provide a wireless charging system and a control method thereof, as well as a portable electronic device and a charging device, all of which are capable of performing charging at an appropriate charging level. The wireless charging system includes: a battery charger 10-04-2012
20130175987CHARGING APPARATUS FOR ELECTRIC VEHICLE - A charging apparatus for an electric vehicle, the electric vehicle is parked on a power transmission unit provided on the ground, a power receiving unit provided on a lower surface of a vehicle body of the electric vehicle is aligned with the power transmission unit, and the power receiving unit receives electric power energy aerially fed from the power transmission unit to charge a battery mounted on the electric vehicle in a non-contact manner, and the charging apparatus includes a shielding unit for shielding an operation surface of the power receiving unit from outside without hindering power transmission and receiving action. A rolling screen is preferable as the shielding unit.07-11-2013
20130134932PORTABLE ELECTRONIC DEVICE, METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An object of the present invention is to provide a portable electronic device, a method, and a computer-readable recording medium, all of which are capable of preventing the portable electronic device from being taken away by another person while charging. The smartphone includes: a touch-screen display; a power receiving unit that receives power from electromagnetic waves that are supplied from a battery charger; and a controller that restricts execution of predetermined functions in a case in which the portable electronic device is separated from the battery charger in a state where the battery charger is supplying electromagnetic waves to the power receiving unit, and enables the predetermined functions to be executed in a case in which an authentication operation is performed via the touch-screen display after restricting execution of the predetermined functions.05-30-2013
20130134931MOBILE DEVICE, POWER SUPPLY PLATFORM, AND POWER SUPPLY METHOD FOR MOBILE DEVICE - To reduce power consumption when a mobile device is not set down, and to reliably detect when a mobile device has been set down so that problems can be prevented such as overheating when a conductive object such as a coil is set down. A mobile device 05-30-2013
20130113422WIRELESS POWER RECEIVER AND CONTROL METHOD THEREOF - A wireless power receiver according to an embodiment wirelessly receives power from a wireless power transmitter. The wireless power receiver includes a printed circuit board having a reception space in a predetermined area, a receiving coil disposed in the reception space of the printed circuit board for receiving power from the wireless power transmitter, and a short-range communication antenna disposed on the printed circuit board while surrounding the receiving coil.05-09-2013
20130113423INDUCTIVE POWER SUPPLY - In one aspect, the present invention provides a wireless power supply having a plunger for mechanically interconnecting a remote device with the power supply. The plunger may be extendable/retractable to interfit with the remote device. In a second aspect, the present invention provides a wireless power supply with a movable primary that allows for close alignment between the primary and the secondary when the remote device is disposed within a range of different positions with respect to the charging surface. The movable primary may, for example, be coupled to the remote device by a peg, a plunger or a magnet. Alternatively, the position of the movable primary may be adjusted manually. In a third aspect, the present invention provides a charging bowl having a plurality of charging stations disposed about a common axis. Each charging station may include a movable primary that permits some freedom in positioning of the remote device on the charging surface. In a fourth aspect, the present invention provides a wireless power supply having a manually movable primary.05-09-2013
20130093385MODE CHANGING POWER CONTROL - Methods and systems for controlling a power pack charging circuit. While a device is connected to an electrical charging source, a determination is made that an operating condition of a device satisfies a condition for halting charging of a power pack of the device. While the operating condition of the device satisfies the condition for halting charging of the power pack, a power pack output value is determined. While the operating condition of the device satisfies the condition for halting charging of the power pack, a power pack charging circuit output characteristic is set to an output value that is determined based upon the power pack output value to preclude charging of the power pack.04-18-2013
20130093388INDUCTIVE CHARGING INCLUDING USE OF AFTER-MARKET ACCESSORIES - A system and method for inductive charging including use of after-market accessories. In accordance with an embodiment, the system comprises a receiver coil or receiver associated with a mobile device, and provided as a separable or after-market accessory for use with the mobile device. When the mobile device is placed in proximity to a base unit having one or more charger coils, the charger coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device. In accordance with various embodiments, the receiver can be a component of or attached to a shell, case, or other cover of the mobile device, provided as an after-market accessory that replaces an original shell, case, or cover, or connected to a power input jack of the mobile device and/or to battery connectors within the mobile device.04-18-2013
20130093389INTELLIGENT INITIATION OF INDUCTIVE CHARGING PROCESS - A system for intelligent initiation of an inductive charging process. In accordance with an embodiment, the system comprises a receiver coil or receiver associated with a mobile device, and provided as a separable or after-market accessory for use with the mobile device. When the mobile device is placed in proximity to a base unit having one or more charger coils, the charger coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device. The base unit and mobile device communicate with each other prior to and/or during charging or powering to determine a protocol to be used to charge or power the mobile device.04-18-2013
20130093387INDUCTIVE CHARGING DEVICE FOR A PORTABLE APPARATUS INCORPORATING A NEAR-FIELD COMMUNICATION ANTENNA - An inductive charging device (04-18-2013
20130093386SLOT-TYPE INDUCTION CHARGER - A slot-type induction charger having light, thin, short and small characteristics is disclosed to include a power base holding therein a control module and a power-supplying coil module in a base member thereof for inducing an electric current, and an induction charging receiver set in the base member for receiving the induced electric current by electromagnetic induction from the power base for charging an electromagnetic device being connected to an electrical connector thereof. The power-supplying coil module and the power-receiving coil module each includes a magnetic conductor and a series of coils being alternatively and reversely wound around the magnetic conductor.04-18-2013
20130200843ELECTRONIC APPARATUS, CONTROL METHOD AND RECORDING MEDIUM - An electronic apparatus includes a power receiving unit that receives power from a power transmitting apparatus wirelessly, a connection unit that connects an external apparatus, a detection unit that detects power received by the power receiving unit, and a control unit that changes a mode of the electronic apparatus to a first mode after the detection unit detects that power received by the power receiving unit is equal to or lower than a predetermined value if the electronic apparatus is in a second mode.08-08-2013
20130099735INDUCTIVE CHARGING WITH SUPPORT FOR MULTIPLE CHARGING PROTOCOLS - A system and method for inductive charging with support for multiple charging protocols. In accordance with an embodiment, the system comprises a base unit having one or more charger coils, for use in inductive charging; and one or more components within the base unit and/or a mobile device for supporting multiple different charging protocols, for use with the mobile device. When a mobile device having one or more receiver coils or receivers associated with, is placed in proximity to the base unit, the system determines a charging protocol for use with the charger coil to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device.04-25-2013
20130099733WIRELESS POWER TRANSMITTER AND METHOD OF CONTROLLING THE SAME - A method and a wireless power transmitter for transmitting charging power to a wireless power receiver are provided. The method includes applying the charging power to the wireless power receiver; determining whether a current value of the charging power is greater than a predetermined threshold; and driving the overcurrent protection circuit upon a determination that the current value of the charging power is greater than the predetermined threshold.04-25-2013
20130099731METHOD AND ARRANGEMENT OF ELECTRICAL CONDUCTORS FOR CHARGING A VEHICLE BATTERY - An arrangement (04-25-2013
20130099734WIRELESS POWER TRANSMITTER AND METHOD OF CONTROLLING THE SAME - A method and apparatus for controlling wireless transmission to a wireless power receiver in a wireless power transmitter is provided. The method includes transmitting charging power to the wireless power receiver; detecting whether a predetermined power tracking triggering event for adjusting an applied transmission power according to power information of the wireless power receiver occurs; and adjusting, upon determining that the predetermined triggering event has occurred, the applied transmission power.04-25-2013
20130119926WIRELESS CHARGING SYSTEM AND METHOD - The present invention provides a wireless charger including a sensing device, a charging coil array and a processor. The sensing device determines the shape of the recharging area of an electronic device placed on the wireless charger. The charging coil array includes a plurality of dynamic charging coils and selectively turns on a part of the dynamic charging coils. The processor drives the part of the dynamic charging coils to charge the electronic device by wireless charging, wherein the part of the dynamic charging coils of the charging coil array is corresponding to the shape of the recharging area.05-16-2013
20130127409POWER TRANSMISSION SYSTEM, VEHICLE AND POWER SUPPLY FACILITY - Power is transmitted from a power supply facility to a vehicle in a contact-less manner. A control device detects a distance between a power transmission unit of the power supply facility and a power receiving unit of the vehicle. A display unit displays a graphic in a display pattern which varies in accordance with the distance detected by the detection unit.05-23-2013
20130127411COIL UNIT, NON-CONTACT POWER TRANSMITTING APPARATUS, NON-CONTACT POWER RECEIVING APPARATUS, VEHICLE, AND NON-CONTACT POWER SUPPLY SYSTEM - A coil unit includes a second resonance coil that has a plurality of unit coils and performs at least one of transmission and reception of electric power to and from a first resonance coil spaced apart from the second resonance coil via electromagnetic resonance with the first resonance coil. The directions of magnetic fields formed by the unit coils are the same.05-23-2013
20130127408PORTABLE ELECTRONIC DEVICE AND WIRELESS CHARGING DEVICE - A portable electronic device includes a housing and at least one charging module installed in the housing. The at least one charging module includes a magnetic induction block and a coil unit positioned beside the magnetic induction block. The coil unit includes a base block and an induction coil coiled around the base block. The induction coil is configured for generating induction current under the action of a charging magnetic filed outside the housing. The magnetic induction block enhances the magnetic filed intensity acting on the induction coil.05-23-2013
20130127410APPARATUS AND METHOD FOR CONTROLLING CHARGING POWER OF WIRELESS POWER RECEIVER - In an apparatus for adjusting charging power of a wireless power receiver, when one or more wireless power receivers require charging, it is determined whether the sum of required charging powers required by the one or more wireless power receivers exceeds maximum supplied power provided by a wireless power transmitter. When a result indicates that the sum exceeds the maximum supplied power, a control operation is performed to adjust the required charging power of each wireless power receiver. Therefore, it is possible to wirelessly charge each wireless power receiver without interruption.05-23-2013
20130127407Wireless Charging System and Related Method for Transmitting Data - The invention discloses a wireless charging system for transmitting data. The wireless charging system includes a charging device for wirelessly transmitting a source signal and adjusting a current corresponding to the source signal according to a transmitted datum, and a receiving device which includes a first coil for receiving the source signal according to the electromagnetic effect and generating a corresponding AC current signal, and an output module for obtaining the transmitted datum according to the AC current signal.05-23-2013
20130127405WIRELESS CHARGING SYSTEM AND APPARATUS, AND CONTROL METHOD THEREOF - The invention provides a wireless charging system and a wireless charging apparatus for wirelessly charging a receiving device, and provides a method of controlling the wireless charging apparatus. The wireless charging apparatus comprises a power supply for providing a power voltage; a primary charging core; a switch module for changing the power voltage to an input voltage connected the power supply and the primary charging core so that the primary charging core has a primary current according to the power voltage supplied from the power supply; and a controller connected to the switch module and the primary charging core for measuring the primary current and for outputting a control signal for controlling the power voltage provided from the power supply.05-23-2013
20130127404Apparatus and Method for Inductive Charging - An apparatus including an inductive charging system and at least one wireless communication system. The inductive charging system is configured to charge a rechargeable battery. The inductive charging system has an induction coil. The at least one wireless communication system is configured to communicate with a device. The wireless communication system includes at least a portion of the induction coil for transmitting and/or receiving a wireless signal at the induction coil, or for generating a communication electromagnetic field at the induction coil. Thus, both the inductive charging system and the wireless communication system include at least a portion of the induction coil as a common component for both of the systems.05-23-2013
20130127406METHOD AND SYSTEM FOR INDUCTIVELY CHARGING AN ELECTRONIC DEVICE - An apparatus and method for inductively charging an electronic device are disclosed herein. The apparatus comprises a transmitter coil and a controller. The transmitter coil includes a configurable inductive portion. The controller is configured to receive configuration information that is indicative of a receiver coil configuration in the electronic device. Based on the received configuration information, the controller configures the transmitter coil to form an active coil to substantially match the configuration of the receiver coil.05-23-2013
20130134930X-RAY DETECTOR CHARGING STATION - A charging station for a portable X-ray detector is described. In one embodiment, the charging station includes one or more biasing members that act to guide and align a portable detector when inserted into the charging station. In certain embodiments, a physical, pin-type connector for connecting to an inserted portable detector is present, while in other embodiments no pin-type connector is present.05-30-2013
20130141036CHARGEABLE CASE OF ELECTRONIC DEVICE AND CHARGING SYSTEM - A chargeable case of an electronic device includes an envelop body for enveloping an electronic device therein, a receiving coil, a power output interface and a built-in AC/DC rectifying circuit. The receiving coil wirelessly receives alternating current from a power supply device. The power output interface connects a power input interface of the electronic device. The AC/DC rectifying circuit is connected the receiving coil and the power output interface. The AC/DC rectifying circuit converts the received alternating current into direct current and supplies the direct current to the power output interface for charging the electronic device. A charging system is also disclosed.06-06-2013
20130141038ENERGY DISTRIBUTION DEVICE FOR DISTRIBUTING AN ENERGY SIGNAL WITHIN A HOME - A master beam home module U-form energy distributor can wirelessly recharge all electronic devices within a given range. The energy distributor can include a hollow center with a single U-form Wi-Fi/energy distributor and a disc base. The device can include a company logo, if desire, on the base and a power level indicator. The device can have a port for a power cord and a telephone, CAT-5 or USB type jack, for example, for Wi-Fi/energy input. The master beam home module U-form energy distributor can generate a sufficient amount of energy for homes. To achieve this energy transmission, there can be about ten power output transmitters per side of each of the two U-arms of the U-form energy distributor.06-06-2013
20130141039ELECTRICAL POWER RECEIVING APPARATUS AND ELECTRICAL POWER RECEIVING METHOD - This electrical power-receiving apparatus makes it possible to suppress a decline in power supply efficiency in a variety of different circumstances while avoiding an increase in circuit scale. This apparatus comprises an impedance control unit (06-06-2013
20110210697WIRELESS RECHARGEABLE BATTERY - A wireless rechargeable battery includes a housing, a circuit module, an energy storage unit, and a plurality of electrodes. The wireless rechargeable battery is adapted to be disposed on a wireless charging device to be wirelessly charged. The circuit module includes a receiving unit and a power management unit. The receiving unit is disposed in the housing and adapted to receive electric energy from the wireless charging device. The power management unit is disposed in the housing and electrically coupled to the receiving unit. The energy storage unit is disposed in the housing and electrically coupled to the power management unit. The electric energy is adapted to be inputted to the energy storage unit via the power management unit. The electrodes are disposed on the housing and electrically coupled to the power management unit. The electric energy is adapted to be outputted to the electrodes via the power management unit.09-01-2011
20110210696NON-CONTACT TYPE POWER RECEIVING APPARATUS, ELECTRONIC EQUIPMENT AND CHARGING SYSTEM USING THE POWER RECEIVING APPARATUS - A non-contact type power receiving apparatus including: a power receiving coil having a spiral coil; a rectifier; a secondary battery; an electronic device operated by being supplied with direct voltage from the secondary battery, wherein a composite magnetic body is provided to at least one portion between the secondary battery and the spiral coil, and a portion between the electronic device and the spiral coil. The composite magnetic body includes at least first and other layers of magnetic sheets through an insulating layer in which when a relative magnetic permeability of the first magnetic sheet provided to a side of the spiral coil is μd, a thickness of the first magnetic sheet is tu, an average relative magnetic permeability of the other magnetic sheets other than the first magnetic sheet is μu, and a total thickness of the other magnetic sheets is tu, the composite magnetic body satisfies the following relations: μd·td≦60 [mm]; and μu·tu≧100 [mm].09-01-2011
20130154558METHOD AND APPARATUS FOR TRANSMITTING WIRELESS POWER - A method and apparatus are provided for transmitting wireless power in a wireless power network managed by a wireless power transmitter. The method includes transmitting first charging power to a first wireless power receiver; detecting a second wireless power receiver; and transmitting second charging power to the second wireless power receiver.06-20-2013
20080197804Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument - A power transmission device performs power-saving power transmission that transmits a small amount of power as compared with normal power transmission when the power transmission device has detected that a battery of a load has been fully charged so that the operation of a charge control device (charge control IC) of the load is maintained, thereby enabling recharging due to a charge management function of the charge control device. Since the load state of a power reception device increases when recharging has started, the power transmission device detects an increase in the load state and changes power transmission from power-saving power transmission to normal power transmission. When the power reception device has been removed during power-saving power transmission, the power transmission device detects that the power reception device has been removed, and stops continuous power transmission so that unnecessary power consumption does not occur.08-21-2008
20110227527Wireless charging kit for portable electronic device - A wireless charging kit includes a charging pad, a body cover for coupling with the portable electronic device, and a wireless charging arrangement. The wireless charging arrangement includes a first charging module provided at a supporting surface of the charging pad, and a second charging module provided at the body cover. The first charging module has two charging contact points electrically linking to a power source, wherein the second charging module has two charging contact surfaces electrically linking to a rechargeable battery of the portable device, such that the battery is able to be wireless charged via conductively contacting the charging contact surface with the charging contact points in a surface-to-point configuration, so as to simplified the alignment therebetween. The body cover is preferably a replacement of battery cover, so that the add-on component is required in order to wirelessly contact with the first charging module at the charging pad.09-22-2011
20110241617Inductive Battery Systems and Methods of Operation - An inductive battery system includes a primary coil system (10-06-2011
20130147425WIRELESS CHARGING SYSTEM AND PORTABLE ELECTRONIC DEVICE - A wireless charging system includes a stationary portion and a mobile portion. The stationary portion generates a charging magnetic field due to electromagnetic induction in response to receiving a voltage of an external power supply. The mobile portion includes a first magnet, a generator element, and a rechargeable battery, and the generator element includes a second magnet, a shaft, and an induction winding. Both the first magnet and the induction winding fixed on the shaft, and the induction winding is received in the second magnet. The charging magnetic field generates a magnetic force applied to the first magnet and drives the first magnet, the shaft, and the induction winding to rotate. Thus, the induction winding cuts magnetic force lines of the second magnet and generates induction current to charge the rechargeable battery.06-13-2013
20130147426IN-VEHICLE BATTERY CHARGING SYSTEM - An in-vehicle battery charging system adaptable to a wide variety of objects to be charged. A charging system 06-13-2013
20130147427WIRELESS ELECTRIC FIELD POWER TRANSMISSION SYSTEM AND METHOD - A wireless electric field power transmission system comprises: a transmitter comprising a transmitter antenna, the transmitter antenna comprising at least two conductors defining a volume therebetween; and at least one receiver, wherein the transmitter antenna transfers power wirelessly via electric field coupling when the at least one receiver is within the volume.06-13-2013
20130147428WIRELESS CHARGING WITH SEPARATE PROCESS - Exemplary embodiments are directed to wireless charging. A charging system may comprise at least one antenna configured for coupling to a container. The at least one antenna may further be configured to receive power from a power source and wirelessly transmit power to a receive antenna coupled to a chargeable device positioned within the container. Further, the charging system is configured to charge and perform a process on the one or more charging devices positioned within the container.06-13-2013
20130147430DESIGN AND PRODUCTION OF A SYSTEM FOR WIRELESSLY CHARGING THE BATTERIES OF A ROBOT - In the context of expanding the scope of the inspection field and in order to improve said field, the present invention is provided, which relates to a robot that inspects a pipeline, but may encounter certain problems during said operation. For this purpose and in order to avoid said major risk, a system for wirelessly charging the batteries of said robot is used, wherein the pipeline is used as a waveguide and as a Faraday cage in order to improve the performance of the inspection system.06-13-2013
20130147429WIRELESS POWER TRANSFER FOR PORTABLE ENCLOSURES - Exemplary embodiments are directed to portable wireless charging. A portable charging system may comprise at least one antenna positioned within a portable enclosure. The at least one antenna may be configured to receive power from a power source and wirelessly transmit power to a receive antenna coupled to a chargeable device positioned within a near-field of the at least one antenna.06-13-2013
20100289450NON-CONTACT CHARGER CAPABLE OF WIRELESS DATA AND POWER TRANSMISSION AND RELATED BATTERY PACK AND MOBILE DEVICE - Disclosed is a non-contact charger. The present invention provides a non-contact charger capable of wireless data communication and power supply between a non-contact charger capable of computer UBS communication and a charging battery-pack of a mobile device, using an induced electromotive force, thereby to enable data communication and power supply at the same time and to make good signal transmission without other poor contacts in the contact transmission.11-18-2010
20120274274HOLSTER-INTEGRATED PIEZOELECTRIC ENERGY SOURCE FOR HANDHELD ELECTRONIC DEVICE - A holster for a handheld electronic device. The holster has integrated therein one or more piezoelectric elements that provide an output voltage to the handheld electronic device upon insertion of device in the holster. The output voltage can be used to charge the battery of the device, to power, at least in part, the device, or both. The output voltage is generated by harvesting vibration energy at the piezoelectric elements upon the holster being subjected to acceleration caused by a user carrying the holster when walking, running, or during any other suitable activity.11-01-2012
20120274273INTEGRATED-CIRCUIT BATTERY DEVICES - A combined battery and wireless-communications apparatus and method. In some embodiments, the apparatus includes a support, a first conductive layer deposited on a first surface area of the support, a thin-film battery including a cathode layer, a solid-state electrolyte layer, and an anode layer deposited such that either the anode layer or the cathode layer is in electrical contact with the first conductive layer, an antenna mounted to the support structure, and an electronic communications circuit mounted to the support and electrically coupled to the battery and the antenna to transceive radio communications. Other embodiments include an energy-receiving device mounted to the support structure, and an electronic communications circuit mounted to the support structure and including a recharging circuit, the recharging circuit electrically coupled to the battery and the energy-receiving device to recharge the battery using energy received by the energy-receiving device.11-01-2012
20120274272RADIO FREQUENCY TRANSMISSION OF ENERGY FOR RECHARGING WIRELESS DEVICES AND TOOLS - A system for transmitting microwave energy and recharging wireless devices and tools is disclosed. The system has a microwave source, electric power source, a microwave energy converter, a transmitter, a receiver, an electric energy converter, and a wireless device. When the charging level of a rechargeable battery of wireless device is low, the microwave energy converter converts microwave and electrical energy to microwave energy. The microwave energy is transmitted to the wireless device. The wireless device receives the microwave energy and the electric energy converter converts the microwave energy to the electrical energy. The electrical energy is utilized for charging the rechargeable battery of the wireless device.11-01-2012
20120274271INDUCTIVELY RECHARGEABLE IMPLANTABLE DEVICE WITH REDUCED EDDY CURRENTS - A case for an implantable medical device includes a metal case portion, having an inside and an outside, configured to attach to at least one other case portion to define a biocompatible case for the implantable medical device. The metal case portion has a plurality of grooves disposed on at least one of the inside and the outside, the grooves being oriented substantially perpendicular to an expected direction of eddy currents produced by an inductive recharging coil in proximity thereto.11-01-2012
20120274270IMPLANTABLE MEDICAL DEVICES AND SYSTEMS HAVING INDUCTIVE TELEMETRY AND RECHARGE ON A SINGLE COIL - Implantable devices and related systems utilize a single coil for both inductive telemetry at one telemetry signal frequency and recharge at another recharge energy frequency. The coil is included in a tank circuit that may have a variable reactance. During telemetry, particularly outside of a recharge period, the reactance may be set so that the tank circuit is tuned to the telemetry frequency. During recharge, the reactance is set so that the tank circuit is tuned to the recharge frequency. Furthermore, the tank circuit may have a Q that is sufficiently small that the tank circuit receives telemetry frequency signals that can be decoded by a receiver while the tank is tuned to the recharge frequency so that telemetry for recharge status purposes may be done during the recharge period without changing the tuning of the tank circuit.11-01-2012
20110234157SYNCHRONOUS RECTIFIER AND CONTROLLER FOR INDUCTIVE COUPLING - A synchronous rectifier is arranged to rectify inductively coupled power using PETs (field effect transistors) to minimize the voltage drop of the rectifier, which minimizes power loss. Power loss is an important consideration in applications where fairly significant power is coupled to a device (such as a battery charger or other energy storage device) for a fairly short time (such as less than one hour) at a fairly low voltage (such as around 2.5 to 4.5 volts). Body diodes of the PETs can be used to supply power for bootstrapping and control logic for controlling the PFTs.09-29-2011
20110234156POWER SUPPLY APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An apparatus includes a detection unit configured to detect that a first power receiving apparatus is in a predetermined range and a second power receiving apparatus is in the predetermined range, a power supply unit configured to supply power to the first and the second power apparatuses if the first and the second power receiving apparatuses are in the predetermined range, an acquisition unit configured to acquire first information and second information, and a control unit configured to select one of the first and the second power receiving apparatuses based on the first and the second information if the first and the second power receiving apparatuses are in the predetermined range, wherein the control unit controls a selected apparatus to perform a predetermined process.09-29-2011
20110234155Inductive Charger with Magnetic Shielding - To recharge an implanted medical device, an external device, typically in the form of an inductive charger, is placed over the implant to provide for transcutaneous energy transfer. The external charging device can be powered by a rechargeable battery. Since the battery is in close proximity to the charge coil, the large magnetic field produced by the charge coil induces eddy currents that flow on the battery's metallic case, often resulting in undesirable heating of the battery and reduced efficiency of the charger. This disclosure provides a means of shielding the battery from the magnetic field to reduce eddy current heating, thereby increasing efficiency. In one embodiment, the magnetic shield consists of one or more thin ferrite plates. The use of a ferrite shield allows the battery to be placed directly over the charge coil as opposed to outside the extent of the charge coil.09-29-2011
20110234154VIDEO GAME CONTROLLER CHARGING SYSTEM - A video game controller charging system for charging at least one video game controller is provided. The system includes a controller adapter including a battery unit, at least one first induction coil, and at least one first magnet, and is adapted to be received by the at least one video game controller; and a base including a power input, at least one second induction coil, and at least one structure on the base for providing physical support to the controller while the controller is being charged, the at least one structure including at least one second magnet. The base is configured to inductively charge the battery unit through inductive coupling between the at least one first induction coil and the at least one second induction coil when the controller is held in place on the structure by magnetic attraction between the magnets.09-29-2011
20100315039DEVICE HOUSING A BATTERY AND CHARGING PAD - A device housing a battery 12-16-2010
20100315038BATTERY CHARGING PAD EMPLOYING MAGNETIC INDUCTION - The battery charging pad comprises a moving mechanism 12-16-2010
20110254503WIRELESS POWER ANTENNA ALIGNMENT ADJUSTMENT SYSTEM FOR VEHICLES - Exemplary embodiments are directed to wireless charging and wireless power alignment of wireless power antennas associated with a vehicle. A wireless power charging apparatus includes an antenna including first and second orthogonal magnetic elements for detecting a horizontal component of a magnetic field generated from a second charging base antenna. A processor determines a directional vector between the antennas.10-20-2011
20130154560BATTERY WITH INTEGRATED WIRELESS POWER RECEIVER AND/OR RFID - A battery includes one or more rechargeable cells, a wireless power coil, a battery charger circuit, and may further include an RFID module. The wireless power coil is operable to generate an AC voltage from a wireless power electromagnetic field. The battery charger circuit is operable to generate a battery charge voltage from the AC voltage in accordance with a battery charge control signal and, when enabled, to charge the one or more rechargeable cells via the battery charge voltage. If the battery further includes the RFID module, it is operable to generate the battery charge control signal and communicate with a wireless power transmitter device.06-20-2013
20130154555SLIDING WIRELESS CHARGING TRAY FOR INDUCTIVE CHARGING OF ELECTRONIC DEVICES - The present invention relates to a sliding tray comprising: a base panel; a top panel at least partially offset from the base panel, creating a local pocket therebetween; a battery recharging system disposed within the local pocket and adapted to provide one or more electromagnetic fields capable of transferring an electrical charge to a properly equipped portable electrical device; an electrical connection feature adapted to electrically connect the battery recharging system to a host; a tray sliding feature disposed on the base panel, the top panel, or both adapted to mate with a bin sliding feature of a bin and allowing for the sliding tray to move relative to the bin.06-20-2013
20130154556DC-DC CONVERTER, POWER RECEIVING DEVICE, AND POWER FEEDING SYSTEM - A circuit capable of keeping input impedance constant is provided. Further, a circuit which can contribute to improvement in power feeding efficiency in power feeding by a magnetic resonance method is provided. A voltage (a former voltage) proportional to a direct-current voltage input to a DC-DC converter from the outside and a voltage (a latter voltage) proportional to a current input from the outside are detected, and the ratio of the former voltage and the latter voltage are held constant. Accordingly, input impedance can be kept constant. Further, impedance conversion is performed in the DC-DC converter. Thus, even when the battery in which power feeding is performed exists on an output side of the DC-DC converter, input impedance can be kept constant. Consequently, power can be supplied to a power receiving device including the DC-DC converter and the battery with high power feeding efficiency by a magnetic resonance method.06-20-2013
20130154557APPARATUS AND METHOD FOR TRANSMITTING WIRELESS POWER - A method and apparatus are provided for transmitting wireless power to a wireless power receiver. The method includes detecting wireless power receiver within a service area of a wireless power transmitter; transmitting driving power for driving the wireless power receiver; joining the wireless power receiver in a wireless power network managed by the wireless power transmitter; and transmitting charging power to the wireless power receiver.06-20-2013
20130154552Energy Box Having an Inductive Charger, and a Method for Charging an Energy Box - An energy box comprising a rechargeable battery, charging electronics having an information transmitter which is connected to the rechargeable battery, an inductive charging device, which is connected to the charging electronics, a controller having an information memory, which controller controls the charging electronics, at least one sensor for detection of useful data, which sensor is connected to the controller, at least one semiconductor light source, which is used both for indication of data and for transmission of useful data, the useful data which is stored in the controller being transmitted optically via the at least one semiconductor light source during the charging process.06-20-2013
20130154554MOBILE DEVICE AND CHARGING APPARATUS - When the charge level of a fully-charged rechargeable battery decreases due to quiescent power drain, in order to recharge it is necessary for the user to pick up and again place the mobile device in which the rechargeable battery is inserted onto a charging apparatus and issue instructions to start recharging. To address this issue, a charging controller applies control to disconnect a capacitor from a receiver coil with a switch in the case where the charge level of a rechargeable battery is equal to or greater than a given threshold value, and additionally applies control to connect the capacitor to the receiver coil with the switch in the case where the charge level of the rechargeable battery is less than the threshold value.06-20-2013
20130154559NO POINT OF CONTACT CHARGING SYSTEM - Disclosed herein is a non-contact charging system. The non-contact charging system detects a portable terminal, a battery pack or a foreign object that is placed on the pad of a non-contact charger, and effectively monitors and controls its charging state through the detection, thus preventing such a foreign object placed on the pad from being heated by induction heating, and further causes anions to be generated during the charging of the portable terminal or the battery pack, thus sterilizing bacteria on a terminal and keeping ambient air thereof fresh.06-20-2013
20130181666RECHARGEABLE BATTERY CHARGING CASE - The invention is based on a rechargeable battery charging case, in particular a cordless handheld power tool case, having at least one battery attachment device and a case body. It is proposed that the rechargeable battery charging case has an electrical energy output and a supply unit, which in at least one operating state is connected to the energy output and to the battery attachment device for supplying the energy output.07-18-2013
20130181664APPARATUS AND METHOD FOR TRANSMITTING WIRELESS POWER - Provided are an apparatus and a method for transmitting wireless power. According to an embodiment of the present invention, a wireless power transmission apparatus includes: a switching block receiving distributed power signals and delivering the power signals as periodical preamble signals that make a detour around a power amplification and transmission block or delivering the power signals to the power amplification and transmission block; the power amplification and transmission block amplifying the power signals and transmitting the power signals to a coil array block; a sensing block detecting the preamble signals on the respective paths that are delivered to the coil array block, and sensing changes in the preamble signals according to whether wireless power receiving apparatuses appear; and a power distribution and control block controlling the switching block according to sensing results to transmit the power signals to the power amplification and transmission block.07-18-2013
20130181665WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND CONTROL METHODS THEREOF - Disclosed is a control method of a wireless power transmitter for transmitting charging power to a wireless power receiver. The control method includes receiving a communication request signal for transmitting a wireless power from the wireless power receiver, determining whether to set a communication with the wireless power receiver based on the received communication request signal, when it is determined to set the communication with the wireless power receiver, transmitting a charge command signal to control an on state of a load switch at a predetermined point in time to the wireless power receiver, applying the charging power and detecting a load change by the wireless power receiver at the predetermined point in time.07-18-2013
20130181667CONTACTLESS POWER SUPPLY DEVICE - A contactless power supply device supplying electric power in a contactless manner to a power receiving device mounted on a moving object includes: a bottom plate structuring an installation face; a power transmitting coil disposed on the bottom plate to supply electric power to a power receiving coil included in the power receiving device; and a cover attached to the bottom plate so as to cover the power transmitting coil disposed on the bottom plate. A layer of air is formed between the power transmitting coil and the cover.07-18-2013
20130181668NON-CONTACT CHARGING MODULE AND NON-CONTACT CHARGING INSTRUMENT - Provided are a non-contact charging module and a non-contact charging instrument such that the non-contact module can be made thin in a state where a sufficient cross-sectional area of a planar coil portion has been ensured and power transmission efficiency has been enhanced. The non-contact module comprises the planar coil portion (07-18-2013
20130181669ELECTRICITY SUPPLY SYSTEM FOR ELECTRIC AUTOMOBILE, AND ELECTRIC AUTOMOBILE AND POWER SUPPLY DEVICE USED IN SAID SYSTEM - Provided are an electric automobile to which a power supply device supplies power, and an electricity supply system capable of accurately associating the power supply device and the electric automobile carrying out communication therewith. A power supply-side control unit (07-18-2013
20110298421POWER SUPPLYING SURFACE FOR CORDLESSLY CHARGING PORTABLE ELECTRONIC DEVICE - A smart surface is disclosed that can stand alone or be contained within a portable computer or other system, for powering and communicating with single or multiple cord-free transducers. Operating or charging power is transmitted by the surface using a carrier signal that is on/off keyed or amplitude modulated with synchronization, clock, enable, address, modes, commands and other pulse width, encoded or digital data. The signal is transmitted to single or multiple cordless smart transducers located on or above the surface, such as pens with multiple pressure sensing and switch capability, pointers, stylus, cursors, pucks, mouse, pawns, implements and similar items. Overlapping resonant inductive circuits are used in the surface to transmit operating power and communicate data to the transducer(s).12-08-2011
20110298420INDUCTIVELY RECHARGEABLE EXTERNAL ENERGY SOURCE, CHARGER AND SYSTEM FOR A TRANSCUTANEOUS INDUCTIVE CHARGER FOR AN IMPLANTABLE MEDICAL DEVICE - A mechanism for transferring energy from an external power source to an implantable medical device is disclosed. An antenna is positioned in proximity of the implantable medical device. The position of a core of the antenna is adjusted relative to the implantable medical device while the antenna is maintained substantially stationary. A frequency of transmission of a power source is adjusted, and the antenna is driven at the adjusted frequency to transfer energy transcutaneously to the implantable medical device. In one embodiment, the frequency of transmission is selected based on an amplitude of a signal in the antenna.12-08-2011
20110298419METHOD FOR IDENTIFICATION OF A LIGHT INDUCTIVE CHARGER - The present invention relates to a method for identification of a light inductive charger, in which a power base includes a light receiving hole to expose a light receiver, and a light emitting component is established in a light emitter of a wireless charging receiver to emit lights towards the light receiving hole. The power base transmits electromagnetic wave energy to the receiving terminal for a short period of time when finding it covered by an object, in a dark place or covered by the wireless charging receiver after having received lights from the light receiver through the light receiving hole and transmitted the signals to the microprocessor via a voltage detection circuit. The charging module of the wireless charging receiver, if not fully charged, feeds back light signals for the same time period to indicate that charging is required. Then charging energy of electromagnetic waves will be emitted to start charging.12-08-2011
20110298418Electronic book with wireless charging feature - An electronic book with wireless charging feature is disclosed. The electronic book includes a main body that forms a receptacle in which a carrier board is received. The carrier board is coupled to the main body and the carrier board includes a transmitter circuit. The transmitter circuit transmits an AC signal in a wireless manner to an electronic device that is provided with a receiver circuit to electrically charge a rechargeable battery of the receiver circuit. As such, electrical power can be stored and subsequently supplied to the electronic device, whereby the problem of limited range of using an electrical charger that requires wired connection can be overcome.12-08-2011
20110309792ELECTRONIC APPARATUS AND ELECTRONIC APPARATUS CHARGING SYSTEM - An electronic apparatus includes a housing having a predetermined face; a power receiver that receives electric power in a contactless manner by way of the predetermined face; a secondary battery that is charged by electric power received by the power receiver; a front-back detection unit that detects whether or not the predetermined face faces a charger; and an alarm unit that notifies that the predetermined face is situated at a position inappropriate for charging when the front-back detection unit detects that the predetermined face does not face the charger.12-22-2011
20110309791METHOD AND SYSTEM FOR CHARGING TRANSPORTATION VEHICLE WITHOUT CONTACT WIRE - A charging method is used for a transportation vehicle without a contact wire. The transportation vehicle is configured so that when a vehicle (12-22-2011
20110309790ELECTRICAL POWERED VEHICLE - A secondary self-resonant coil is installed at substantially the central region of the bottom face of the vehicle body, receiving electric power from a power feeding apparatus in a non-contact manner by resonating with a primary self-resonant coil of a power feeding apparatus provided external to the vehicle, via an electromagnetic field. In a power reception mode from the power feeding apparatus, high voltage is generated at the wire end of the secondary self-resonant coil, causing generation of a high electric field around the wire end. In order to keep the wire end distant from an ECU that is an electric apparatus located closest to the secondary self-resonant coil, the secondary self-resonant coil is arranged such that the wire end is located at a side (−Y direction) opposite to the side (+Y direction) where the ECU is deviated relative to the bilateral symmetric axis of the vehicle body.12-22-2011
20130187597LIMITATION OF VAMPIRIC ENERGY LOSS WITHIN AN INDUCTIVE BATTERY CHARGER OR EXTERNAL POWER SUPPLY USING MAGNETIC TARGET DETECTION CIRCUITRY - Vampire energy loss occurs when an electronic or mechanical machine consumes energy while not being utilized for any useful purpose. Vampire energy losses in consumer electronic devices are under intense scrutiny for needlessly wasting an estimated 20% of the electric power production in the United States. It is also estimated by the US Department of Energy that by 2015 vampire electronics could be responsible for nearly 30 percent of the total household power consumption in the United States. Smarter vampire proof technologies are needed to address this growing problem.07-25-2013
20130187598APPARATUS AND METHOD FOR TRANSMITTING WIRELESS POWER BY USING RESONANT COUPLING AND SYSTEM FOR THE SAME - Disclosed are an apparatus and a method for charging power using a resonant coupling. The apparatus includes a transmission power converter for converting Direct Current (DC) power to Alternating Current (AC) power, a controller for adjusting a Q factor of a transmission resonator by using a frequency of the converted AC power and a resonant frequency of the transmission resonator and controlling adaptive impedance matching, and a transmission resonator for wirelessly transmitting the converted AC power to a receiver through the adjusted Q factor and the controlled adaptive impedance matching, the transmission resonator having a coil installed in the transmitter.07-25-2013
20130187595CIRCUIT FOR A SYSTEM FOR CONTACTLESS INDUCTIVE POWER TRANSMISSION - The invention relates to a circuit for a system for contactless, inductive power transmission, in particular for use in supplying power to mobile devices, and to an associated charging circuit. The circuit comprises a primary-side circuit, which is disposed on a primary side and can be connected to a primary-side supply voltage, and a secondary-side circuit, which is disposed on a secondary side and can be connected to a load to be supplied with power. Furthermore a transformer stage having galvanic isolation is provided for the contactless transfer of power from the primary side over an air gap to the secondary side, wherein at least two magnetically coupled coils are provided for inductive power transmission and can be spatially separated from one another by distancing the secondary side from the primary side. The transformer stage has a resonant converter and the secondary-side circuit further comprises a restabilisation stage.07-25-2013
20120286726WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND RESONANCE FREQUENCY CONTROL METHOD OF WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM - A wireless power transmission and charging system, and a communication method of the wireless power transmission and charging system are provided. In one embodiment, a resonance frequency control method of a wireless power transmitter may include: generating communication power used for communication in a plurality of target devices using a reference resonance frequency; transmitting communication power to the plurality of target devices; transmitting charging power to the plurality of target devices; and adjusting the reference resonance frequency based on a reflected wave of the charging power, the amount of power received by one or more of the target devices, the amount of the charging power, the transmission efficiency of the charging power, or any combination thereof.11-15-2012
20120019202RETENTION OF RECHARGEABLE DEVICES - There is disclosed a system and method for retaining portable rechargeable devices to recharging stations wherein one or other or both of the recharging station and the portable device are provided with connecting means adapted for temporary releasable connection of the two. This is particularly advantageous when used with recharging stations which permit the device to be recharged in multiple places on the recharging station, providing a positive means of retaining the device. This is particularly advantageous if the recharging station is to be used in a mobile environment such as a car, or on a wall or ceiling.01-26-2012
20120019201SMART CHARGER ALIGNMENT INDICATOR - Electrical energy is transmitted to charge the implanted medical device, and an electrical parameter (e.g., a steady-state voltage) indicating a rate at which the implanted medical device is charged by the electrical energy is detected. A threshold (e.g., by modifying a stored threshold value) at which the charge strength indicator generates a user-discernible signal is adjusted based on the detected electrical parameter.01-26-2012
20130193912BATTERY CHARGING TOP-OFF - This disclosure describes techniques for a method of charging a battery. In an example, the method includes determining a capacity of the battery, and determining a state of charge of the battery. The method also includes charging the battery with a charging current, wherein the charging current is based on the capacity of the battery and the state of charge of the battery, and wherein charging the battery comprises reducing the charging current in response to the state of charge of the battery changing with respect to the capacity of the battery.08-01-2013
20130193913RESONANCE-TYPE NON-CONTACT POWER SUPPLY SYSTEM, AND ADJUSTMENT METHOD FOR MATCHING UNIT DURING CHARGING OF RESONANCE-TYPE NON-CONTACT POWER SUPPLY SYSTEM - Power supply equipment (08-01-2013
20130193916SEMICONDUCTOR DEVICE AND IC LABEL, IC TAG, AND IC CARD HAVING THE SAME - The present invention provides a power supply circuit provided with a battery as a power source for supplying power to an RFID, and the battery of the power supply circuit is charged with a wireless signal. Then, a switching circuit is provided in the power supply circuit that supplies power to a signal control circuit which transmits and receives individual information to and from the outside to intermittently control supply of power to the signal control circuit by a signal from a low-frequency signal generation circuit.08-01-2013
20130193915Inductive Charger For Hand Held Appliances - An inductive charger for charging a hand-held appliance is disclosed. The inductive charger includes a charger coil surrounding a magnetic core, the magnetic core forming at least a part of a charger projection, wherein the charger projection is surrounded by the charger coil which is adapted to be inserted, together with the charger projection of the magnetic core, into a charging recess of the hand-held appliance.08-01-2013
20130193914ADAPTIVE RATE RECHARGING SYSTEM - Devices, systems, and techniques for selecting a period for charging an implantable rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. A system may control a charging module to begin charging the rechargeable power source of the implantable medical device with a high power level. The system may then determine an estimated heat loss based on power initially delivered to the rechargeable power source when beginning the charging. Based on this estimated heat loss during the initial period of recharging, the system may select a boost period that includes a duration of time that the rechargeable power source is charged with the high power level.08-01-2013
20120032632Inductive transmission of power and data through ceramic armor panels - A system for the inductive transmission of power and data through large caliber ballistic appliqué composite armor panels mountable to military vehicle includes a large caliber ballistic appliqué composite armor panel and a quick-release base mounted to the outer face of the panel and a primary coil mounted to the inner face of the panel so as to be opposite to and aligned with the base; and, a portable electrical device having a secondary coil mounted in its base end, and wherein the armor thickness is no greater than substantially the range of 30 to 50 percent of the diameter of the secondary coil. The base end of the portable electrical device is adapted to releasably mount onto the quick release base for power transfer to the electrical device and for data transfer between the primary coil and the secondary coil by inductive coupling between the primary and secondary coils.02-09-2012
20120293118WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND IMPEDANCE CONTROL METHOD THEREOF - A wireless power transmission and charging system and method are provided. The wireless power may refer to energy that may be transferred from a wireless power transmitter to a wireless power receiver. The wireless power transmission and charging system may include a source device to wirelessly transmit power, and a target device to wirelessly receive power.11-22-2012
20120293115SELF-POWERED WIRELESS INDUCTION SENSOR - An induction sensor generates speed data based on a frequency of the change in magnetic flux within the sensor and powers sensor circuitry by recharging a power source using at least a portion of the electrical voltage induced by the change in magnetic flux. In this manner, the induction sensor may generate its own power to sense and transmit data. To optimize the recharging power available from the induced electrical voltage, the sensor may also include a variable load. This variable load may be automatically controlled by the sensor based on the induced voltage and/or current. The induction sensor may also wirelessly transmit generated data. In addition, the sensor may, after shutting down, automatically power up in response to the change in magnetic flux exceeding a start-up threshold.11-22-2012
20120043930OFF-RESONANCE FREQUENCY OPERATION FOR POWER TRANSFER IN A LOOSELY COUPLED AIR CORE TRANSFORMER - A power transmission system includes a loosely coupled air core transformer having a resonance frequency determined by a product of inductance and capacitance of a primary circuit including a primary coil. A secondary circuit is configured to have a substantially same product of inductance and capacitance. A back EMF generating device (e.g., a battery), which generates a back EMF with power transfer, is attached to the secondary circuit. Once the load power of the back EMF generating device exceeds a certain threshold level, which depends on the system parameters, the power transfer can be achieved at higher transfer efficiency if performed at an operating frequency less than the resonance frequency, which can be from 50% to 95% of the resonance frequency.02-23-2012
20120056579ROOF TYPE CHARGING APPARATUS USING RESONANT POWER TRANSMISSION - Provided is a roof-type charging apparatus that charges multi-target device, while transmitting a resonance power. A roof-type charging apparatus using resonance power transmission includes a source resonance unit configured to transmit resonance power including a source resonator having a generally planar loop configuration and defining a space therein; a receiving unit configured to receive the resonance power transmitted from the source resonator; and a connecting unit configured to separate the source resonator and the receiving unit by a predetermined distance.03-08-2012
20130200844WIRELESS POWER CHARGING METHOD AND APPARATUS - A method and apparatus are provided that efficiently perform wireless power charging. A power supply device checks an amount of charging power required by the power receiving device; determines a power level of the charging power that to be supplied over time, based on the amount of the charging power required by the power receiving device; transmits the charging power corresponding to the determined power level to the power receiving device; periodically receives a report message about a charging situation of the power receiving device from the power receiving device; calculates remaining required power, based on the report message received from the power receiving device; adjusts the determined power level depending on the calculated remaining power; and transmits the charging power corresponding to the adjusted power level to the power receiving device.08-08-2013
20130200842MEDICAL IMAGE DIAGNOSIS APPARATUS - The medical image diagnosis apparatus has a body, a power transmitting part, a power receiving part, and a device. The power transmitting part is housed in the body, has a transmission coil, and generates an oscillating field due to resonance from the transmission coil upon receiving electric power. The power receiving part has a reception coil, resonates with a frequency substantially equal to the resonant frequency of the transmission coil, and generates electric power upon receiving the oscillating field. The device houses the power receiving part, deriving organization information through operation via non-contact with the body by electric power from the power receiving part. The apparatus comprises a status checker and a controller that determines whether or not electric power should be generated depending on at least one of the statuses to control the generation of electric power by the transmission coil.08-08-2013
20120299542RECEIVER CONTROLLER FOR WIRELESS POWER TRANSFER - A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.11-29-2012
20120299540SENDER COMMUNICATIONS FOR WIRELESS POWER TRANSFER - A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.11-29-2012
20120299538VEHICLE MOUNTED PERSONAL DEVICE BATTERY CHARGING STATION AND OPERATING METHODS TO AVOID INTERFERENCE - A method and apparatus are presented for inductive charging of battery operated devices in a motor vehicle, in which a passive vehicle entry and/or starting system selectively disables or reduces provision of power to a primary coil of an inductive charging station while the passive system communicates with an external user device such as a key fob controller to avoid or mitigate electromagnetic interference.11-29-2012
20130093390SYSTEMS AND METHOD FOR POSITIONING FREEDOM, AND SUPPORT OF DIFFERENT VOLTAGES, PROTOCOLS, AND POWER LEVELS IN A WIRELESS POWER SYSTEM - A system and method for providing positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for positioning freedom, and support of different voltages, protocols, and power levels. In accordance with various embodiments, the base unit and mobile device can communicate with each other prior to and/or during charging or powering to determine a protocol to be used to charge or power the mobile device.04-18-2013
20120086394BATTERY CHARGING SYSTEM - There is provided a planar inductive battery charging system designed to enable electronic devices to be recharged. The system includes a planar charging module having a charging surface on which a device to be recharged is placed. Within the charging module and parallel to the charging surface is at least one and preferably an array of primary windings that couple energy inductively to a secondary winding formed in the device to be recharged. The invention also provides secondary modules that allow the system to be used with conventional electronic devices not formed with secondary windings.04-12-2012
20120086393Device and Method for an Intermittent Load - An approach is provided for minimizing capacitance requirements of a filter capacitor of a charging device for an intermittent load. A method for charging an intermittent load that is able to pulse on and off periodically without compromising the utility of the load. The method comprises setting timestamps relating to a waveform of an input Alternating Current (AC) voltage. The timestamps are synchronized to the AC voltage and comprise on times and off times that turn the intermittent load off and on. The method further comprises charging the intermittent load during the on times. Therefore, the capacitance of the filter capacitor used for the intermittent load can be significantly reduced since there will be no voltage drop when the intermittent load has been turned off.04-12-2012
20130207604WIRELESS POWER TRANSMISSION SYSTEM - The wireless power transmission is a system for providing wireless charging and/or primary power to electronic/electrical devices via microwave energy. The microwave energy is focused to a location by a power transmitter having one or more adaptively-phased microwave array emitters. Rectennas within the device to be charged receive and rectify the microwave energy and use it for battery charging and/or for primary power.08-15-2013
20130207599REGULATION OF WIRELESSLY CHARGING MULTIPLE DEVICES FROM THE SAME SOURCE - A method performed in a wireless power transfer receiver includes determining whether a power transfer rate of the wireless power transfer receiver is at or above a threshold. The method further includes, in response to the power transfer rate being at or above the threshold, alternating between a power receiving mode and a non-power receiving mode in the wireless power transfer receiver. The wireless power transfer receiver being in the non-power receiving mode increases an amount of transmitted power that is available to be received by one or more other wireless power transfer receivers.08-15-2013
20130207602ELECTRONIC APPARATUS, CONTROL METHOD OF ELECTRONIC APPARATUS, AND STORAGE MEDIUM - An electronic apparatus includes a connection unit for connecting a first power supply device, a power receiving unit for receiving power from a second power supply device wirelessly. The electronic apparatus selects either the first power supply device or the second power supply device based on the power supply capacity of the first power supply device.08-15-2013
20130207603WIRELESS ENERGY TRANSMISSION - The invention provides a device and method for wireless transmission of energy. An electromagnetic field used for transmitting energy is generated using a resonator system comprising a plurality of weakly coupled resonators, the resonator system having a plurality of eigenmodes with different eigenfrequencies. At least one generator is coupled to one of the resonators. The resonator is configured to operate the resonator system at one of the plurality of eigenmodes, thereby generating a spatially coherent magnetic field adapted for transmitting energy to an appliance.08-15-2013

Patent applications in class Charger inductively coupled to cell or battery