Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


ONE CELL OR BATTERY CHARGES ANOTHER

Subclass of:

320 - Electricity: battery or capacitor charging or discharging

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
320104000 Vehicle battery charging 50
Entries
DocumentTitleDate
20130026969TUBE-STRUCTURED BATTERY TO BE INSERTED INTO LIVING BODY - A tube-structured battery to be inserted into a living body is provided. The tube-structured battery includes: a biofuel battery part which generates electric energy by using biofuel in the blood passing through an internal space of the tube structure; a transformer circuit part which adjusts a voltage or current density by using the generated electric energy; and a secondary battery part which is charged with the electric energy by using the adjusted voltage or current density to store the electric energy, wherein the tube-structured battery is inserted into the living body or a blood vessel of the living body.01-31-2013
20100060230Mobile Chargers for Charging Secondary Batteries From Secondary Batteries - A mobile charger including a connector that facilitates charging at least one first battery from at least one second battery, wherein the second battery is a secondary battery and the second battery has a higher capacity than the first battery, thus allowing the first battery to be charged more than once; and a method for charging at least one first battery from at least one second battery, including connecting the second battery to the first battery with a secondary battery being used as the second battery to charge the at least one first battery, which secondary battery has a higher capacity than the first battery such that the first battery can be charged more than once.03-11-2010
20130076297CHARGING SYSTEM - [Problem] To provide a charging system that levels the amount of grid power that is used, and that is capable of reducing power rates, even if charging has been frequently conducted without limiting the time zones in which charging is conducted. [Solution] A charging system is provided with: a storage unit that is charged by consuming grid power supplied by a power company, and that supplies the stored power through discharge; and a charging unit that charges batteries by consuming power supplied by grid power and the storage unit. Power companies set a power rate that is higher the greater the maximum value of the amount of power supplied for each unit of time is. Furthermore, at least a single charge carried out by the charging unit is carried out over two units of time, and the storage unit supplies power to the charging unit in at least one unit of time other than said two units of time.03-28-2013
20130088184Battery device utilizing oxidation and reduction reactions to produce electric potential - A battery device utilizing oxidation and reduction reactions to produce electric potential includes a battery jar unit, an electrocatalytic unit, a buffer battery unit, and a rectifying and charging unit. The battery jar unit includes a salt solution as electrolyte, an anode formed of a metal not chemically reacting with the electrolyte, and a cathode formed of an electrically conductive carbon material having breathing pores, so that the carbon material breathes air and releases negative hydroxide ions when the air dissolves in the electrolyte. The electrocatalytic unit provides an electrochemical damping effect that catalyzes generation of electricity in the battery jar unit, and the rectifying and charging unit converts the generated AC current into DC current and charges the same to the buffer battery unit, so that an electricity-generating battery based on electrical resonance effect is formed. With these arrangements, a poison-free, waste-heat-free, noise-free and zero-emission self-power-generating battery is achieved.04-11-2013
20130088186CHARGER - An exemplary charger is to charge an electronic device, which includes one first contact. The charger includes a housing, a lithium battery, a circuit board. The housing includes a top cover and a bottom cover attached to the top cover. The top cover defines at least one through hole. The lithium battery is fixed in the housing. The lithium battery is electrically connected to the circuit board. The circuit board includes a second contact. The second contact passes through the through hole and is external to the top cover. When the at least one first contact contacts the at least one second contact, an electrical connection is created between the electronic device and the charger, the charger charges the electronic device through the lithium battery.04-11-2013
20130088185Method And Apparatus For A Battery Docking Connector Having Reserve Power For Hot Battery Swap - Methods and apparatus for a battery backup system having a docking connector with reserve battery cells to power a device when a main battery is not present during battery swap out or depletion. In one embodiment, the reserve batteries are high discharge rate batteries to provide power to the device.04-11-2013
20130076298PORTABLE POWER CHARGER WITH TWO-WAY CHARGING INTERFACE - A portable power charger having an internal rechargeable battery is provided with a power connection port than can act in a power input mode when the charger is connected with an external power source via the power connection port and in a power output mode when at least one electronic device is connected to the charger via the power connection port. The power charger may be connected with both an external power source and an electronic device via the power connection port at the same time, wherein the charge supplied from the external power source recharges the charger and any electronic device connected to the charger. The charger also can automatically turn on if a connector cable is connected to the power connection port with either an external power supply or an electronic device connected at the other end of the cable to supply or draw power through the cable.03-28-2013
20130043827PORTABLE POWER CHARGER - A portable charger is provided for charging one or more electronic devices simultaneously from a rechargeable internal battery. To accommodate multiple electronic devices, a portable charger unit is combined with multiple connectors for connecting to more than one electronic device, as necessary. For example, the charger unit can include at least one power output for connection to electronic devices via connectors or charging cables, including a squid connector providing multiple connection interfaces adaptable to a variety of electronic devices. Alternatively, the charger unit can include two or more connector cables connected to the charger unit and stored within the charger housing for connection to electronic devices when needed. An adapter unit is provided for connection to the charger unit for recharging the internal battery of the charger unit.02-21-2013
20100109602CHARGING DEVICE AND METHOD OF OPERATING THE SAME - A charging device includes a MPU, a control module, an interface module, a charging and discharging module, and a power storage module. The MPU, the control module, the interface module, the charging and discharging module, and the power storage module are connected in series. The charging and discharging module is also connected to the MPU. The interface module is configured for connecting the charging device to at least one other charging device. The control module confirms if the charging device is to be a host or a client, and controls the MPU to activate the host charging device to charge a connected client charging device.05-06-2010
20130082638Charging System and Charging Method - The present invention discloses a charging system, and the system comprises: a base which charges a mobile terminal or an own base battery and is connected with the mobile terminal and a base charger respectively; a mobile terminal control module which controls the base to charge the base battery after fully charging the mobile terminal, wherein the mobile terminal control module is located in the mobile terminal and connected with the base. A charging method is also disclosed by the present invention, and adopting the system and the method of the present invention can improve the charging efficiency and prevent the over-discharge of the base battery.04-04-2013
20130038270SECONDARY BATTERY OUTPUT POWER CONTROLLER - An output power controller in a system having two or more secondary batteries connected in parallel. A battery ECU transfers all the stored electric charge from one secondary battery to another secondary battery when battery temperature and state of charge (SOC) are so low that an output power requirement cannot be satisfied. The SOC of the secondary battery increases by the transfer of the stored electric charge and output power sufficient for the output power requirement can be obtained. Further, the secondary batteries are heated by thermal energy generated by the transfer of the stored electric charge.02-14-2013
20130038269HANDHELD MOBILE ELECTRICAL ASSEMBLY - A handheld mobile electrical assembly that includes a handheld mobile electrical device. The handheld mobile electrical device has a main body with a display, a plurality of inputs and a battery pack that powers the display and inputs. The battery pack has an exterior surface with an electrically conductive section that mates with an electrically conductive section of a carrying container that has its own separate battery pack such that the handheld mobile electrical device charges while within the carrying container. The carrying container is then recharged once the batteries in the battery pack of the carrying container run low without the need to shut off the handheld mobile electrical device that remains fully charged.02-14-2013
20120212174QUICK CHARGING DEVICE - A quick charging device for charging a battery includes a battery with a high power density (a high-power-density battery) and a battery with a high energy density (a high-energy-density battery).08-23-2012
20130049675OUTPUT CONNECTOR EQUIPPED BATTERY PACK, BATTERY-PACK-AND-BATTERY-DRIVEN-DEVICE SYSTEM, AND CHARGING METHOD BY USING BATTERY PACK - An output connector 02-28-2013
20130049676QUICK CHARGING DEVICE AND MOBILE CHARGING APPARATUS - A quick charging device includes a battery capable of quickly charging a battery for power, the battery for power being a load, a high-capacity battery having a higher electrical capacitance than the battery, and a controller configured to, when the battery for power is charged, connect the battery and the high-capacity battery in series to add power of the high-capacity battery to power of the battery, and supply the battery for power with the power obtained through the addition.02-28-2013
20100134065ELECTRIC SYSTEM, CHARGING DEVICE AND CHARGING METHOD FOR ELECTRIC SYSTEM - An ECU executes a program including the steps of causing a battery pack to discharge when an external power supply is connected to a charger, stopping discharge of the battery pack when a state of charge of the battery pack is reduced to a reset value, and charging the battery pack after the state of charge is reduced to the reset value.06-03-2010
20130057198METHOD FOR BALANCING CELLS IN BATTERIES - Adjacent battery cells connected in devices are balanced by closing a first circuit to charge an energy storage device from a first battery cell and thereafter simultaneously opening the first isolated switch and closing a second isolated switch to cause the energy storage device to charge a second battery cell. A circuit includes an isolated switch that operates simultaneously to balance battery cells connected in series, and a battery system balances battery modules connected in series, the battery module including battery cells connected in series. The battery cells and modules can be balanced by hierarchical balancing of modules of the battery pack and component cells of the modules.03-07-2013
20120306432BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CHARGE BALANCING - Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E12-06-2012
20120223670POWER CONTROL DEVICE, POWER CONTROL METHOD, AND POWER SUPPLY SYSTEM - The control device (09-06-2012
20120223669METHOD AND DEVICE FOR BALANCING ELECTRICAL VOLTAGES IN ELECTRICAL ACCUMULATOR UNITS - The invention provides a method for balancing the electrical voltages of at least two electrical accumulator units that are connected in series. According to the invention, one accumulator unit is connected to the winding of a coil in order to excite the coil, and the other accumulator unit is charged by the excited coil by the subsequent connection of the winding to the other accumulator unit. In addition, the invention provides a corresponding electrical accumulator.09-06-2012
20090237028POWER SUPPLY DEVICE FOR CHARGE/DISCHARGE DEVICE, AND CHARGE/DISCHARGE DEVICE - This power supply device includes a series circuit of a first switching element and a second switching element connected in parallel with a DC power supply unit, and a smoothing filter circuit which includes a series circuit of an inductor and a smoothing capacitor connected in parallel with the second switching element. The power supply device also includes a control unit and a drive circuit for generating first and second PWM pulses by respectively driving the first and second switching elements ON and OFF, and for creating a dead time between those switching pulse signals. And this control unit changes the frequency of the switching pulse signal according to the pulse width of either the first PWM pulses or the second PWM pulses.09-24-2009
20090033276BATTERY CHARGER, SECONDARY BATTERY UNIT AND ELECTRIC APPARATUS EQUIPPED THEREWITH - A mobile telephone has a rechargeable battery, and the rechargeable battery is charged through a battery charger; the battery charger includes an information processing system serving as a charge controller and a battery manager; the battery manager measures a discharging time period of the rechargeable battery so as to store pieces of duration data expressing a charge-and-discharge cycle, and determines a charge initiation level and a charge completion level on the basis of the pieces of duration data in such a manner to reduce the number of charging operation without shortage of electric charge for the rechargeable battery; and the charge controller carries out the charging with reference to the charge initiation level and charge completion level so that the rechargeable battery is prolonged in life time.02-05-2009
20100277118AUTOMATED POWER SUPPLY - An automated power supply is formed primarily by electrically connecting a power supply system and a chip management module. The chip management module includes a data storage module, a transmission module, a protocol circuit module and a power detecting module. The protocol circuit module includes at least one power output/input pin for transmitting an electric signal, and a grounding pin. Therefore, not only a requirement of an internal driving power can be reduced, but also a size of the chip and electric power consumption can be diminished significantly.11-04-2010
20120187898RECHARGEABLE BATTERY SYSTEMS AND RECHARGEABLE BATTERY SYSTEM OPERATIONAL METHODS - Rechargeable battery systems and rechargeable battery system operational methods are described. According to one aspect, a rechargeable battery system includes a plurality of rechargeable battery cells coupled between a plurality of terminals and charge shuttling circuitry configured to couple with and shuttle electrical energy between individual ones of the rechargeable battery cells, and wherein the charge shuttling circuitry is configured to receive the electrical energy from one of the rechargeable battery cells at a first voltage and to provide the electrical energy to another of the rechargeable battery cells at a second voltage greater than the first voltage.07-26-2012
20090128090Portable charger for consumer electronic devices - Disclosed herein is a portable charger for mobile phones and other consumer electronic devices like iPOD, MP3 players, etc. The portable charger is a plug-and-charge device, it includes both male and female connectors, built-in rechargeable Li-Polymer or Li-Ion battery, LED and ON/OFF button. USB-flash-drive like design with cap covering male connector, lightweight enough to be attached to a key chain, when is needed, it can be plugged into Cell phone or other portable devices to charge devices right away. In various embodiments, different functionalities are added: utility light, MP3 player, FM radio transmitter, FM radio receiver, Bluetooth audio adapter, voice recorder, USB flash drive.05-21-2009
20090243537MOBILE CHARGER RECEPTACLE CONFIGURED WITH UNIVERSAL SERIAL BUS (USB), CIGARETTE LIGHTER ADAPTER (CLA) PLUG AND CONTROL FIRMWARE - The present invention is A mobile charger receptacle configured with universal serial bus (USB), cigarette lighter adapter (CLA) plug and control firmware, comprises a housing, a cigarette lighter adapter plug disposed on the one side of the housing, and a USB plug allocated on the other side of the housing, and the USB plug and the CLA plug were electrically connected with a control firmware disposed inside the housing. The control firmware provides a better solution adapted to charge any kinds of mobile phone.10-01-2009
20110291609COMPUTER SYSTEM AND CONTROL METHOD THEREOF - A computer system to charge a rechargeable battery of an external device regardless of power on/off of the computer system when the external device having the rechargeable battery is connected, and a control method thereof. The computer system includes a connector having a terminal to which an external device is connected, a power supply to supply power to the connector, and a recognition signal generator to generate a predetermined recognition signal to initiate charging a rechargeable battery of the external device with power supplied from the power supply through the connector when the external device having the rechargeable battery is connected to the connector through the terminal. Thus, it is possible to charge the battery of the external device even when the computer system is powered off.12-01-2011
20110291610Diagnostic device system - A diagnostic device system has a weight-reduced rechargeable battery. When a portable radiographic apparatus and a portable X-ray source are carried to and used for imaging at a private home or a care home, the portable radiographic apparatus and the portable X-ray source are loaded on an automobile. When the charge amount of rechargeable batteries for operation housed in the portable radiographic apparatus or the portable X-ray source loaded on the automobile is low, or when there are plural destinations and the charge amount of the rechargeable batteries becomes low, a rechargeable battery for charging mounted on the automobile is used to charge the rechargeable batteries for operation while traveling. Because the rechargeable batteries for operation are charged while traveling, a large number of rechargeable batteries for operation does not need to be charged in advance, whereby the weight of the rechargeable batteries for operation can be reduced.12-01-2011
20120025755CIRCUITS AND METHODS FOR HEATING BATTERIES IN PARALLEL USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R02-02-2012
20090146607Serial stage power supply combination for emergency auxiliary charging apparatus - An improved emergency auxiliary power supply comprised of a rechargeable secondary battery, a super capacitor or any other type of storage with the capacity equal to or smaller than the load voltage to function as an emergency charging source; a conduction train, an optional charging control circuit and another optional first storage unit comprised of a diode on the output side to prevent inverse voltage and connected to a second storage in the load coupled to the output are provided to comprise a lighter, easy to carry, and for emergency use DC power supply system allowing flexible combination with at least two stages for serial stage power supply.06-11-2009
20090015192Portable-electric-appliance protector/power supplier - A portable-electric-appliance protecting and electricity supplying device used for charging a portable electric-appliance which can be at the same time received in a leather casing, thus an object of convenient using can be achieved. The device is provided in a receiving housing for receiving a portable electric appliance having a set of electricity supplying module which further comprises: a first connector for insertion connecting with a power input port of the portable electric appliance, and a power supply circuit; wherein the power supply circuit is connected with a storage battery, when the portable electric appliance is received in the receiving housing to connect the first connector, the storage battery supplies electricity for the portable electric appliance through the power supply circuit.01-15-2009
20110148344Battery Powered Charger - A charger for recharging the batteries of a portable electronic device even when no external power source is available. A battery or cell is installed within the charger, and when no access is available to a fixed power source into which the charger can be plugged, the internal battery or cell can be used to recharge the electronic device. The internal battery can be a primary battery or a secondary battery. In the latter case, the internal battery can be maintained in a charged state by means of circuitry which, when the charger is plugged into the external power source, charges the internal battery as well as the battery of the electronic device. The external power source can be either an AC power wall socket, in which case the charger includes AC/DC voltage conversion circuits, or a car lighter socket, or the DC output of a conventional wall charger.06-23-2011
20110148346Automatic Cycle Storage System, Cycle For Such a System and Docking Structure For Such a Cycle - Automatic cycle storage system comprising cycles each comprising a battery, and fixed docking structures to which the cycles can be locked and each comprising an electric power storage device connected to a central processing unit and electrical contacts. The electrical contacts on the cycle and the docking structure connect to each other when the cycle is locked to the docking structure, and the electric power storage device on the cycle then recharges the one on the docking structure.06-23-2011
20110148345DEVICE AND METHOD FOR THE GENERATION, STORAGE, AND TRANSMISSION OF ELECTRIC ENERGY - A device for the generation, storage, and transmission of electric energy, includes an energy source, at least one first storage unit, and a second storage unit for storing energy, and a controller. The second storage unit is electrically connected to the first storage unit such that electrical energy of the second storage unit can be fed to the first storage unit for electrically charging the first storage unit.06-23-2011
20090278490APPARATUS AND METHOD FOR THE POWER MANAGEMENT OF OPERATIVELY CONNECTED BATTERIES RESPECTIVELY ON A HANDHELD ELECTRONIC DEVICE AND A HOLDER FOR THE HANDHELD ELECTRONIC DEVICE - A handheld electronic device in conjunction with a holder for the handheld electronic device that together form an electronic device. The handheld electronic device includes a first battery and the holder includes a second battery and a charging apparatus. When the handheld electronic device and the holder are electrically connected together, such as when the handheld electronic device is received in a cavity formed in the holder the charging apparatus charges the first battery on the handheld electronic device from the second battery on the holder when the first battery charge has been depleted to a given level and the second battery charge is above a second given level. Alternatively, if the first battery charge is above a third given level the first battery charges the second battery if the second battery is not fully charged.11-12-2009
20110266995RADIO FREQUENCY POWER TRANSMISSION SYSTEM - A wireless power transmission system for use in a mobile asset comprising a host transmitter for providing at least one of a microwave or a lightwave energy signal, a receiver configured to receive said signal, a converter for converting said signal to a storable energy form, and a controller to control the transfer of storable energy from said converter to at least one energy storage device.11-03-2011
20100097029Energy Storage Module For Load Leveling In Lift Truck Or Other Electrical Vehicle - An energy storage module for use in an electric vehicle, such as a lift truck, is disclosed. The energy storage module includes a bank of super capacitors or ultra-capacitors which are connected between the battery and the load. In operation, the energy storage module charges the capacitors, and uses the charged capacitors to level the load on the battery, limiting spikes in current draw, and assuring a substantially smooth discharge profile, wherein the battery discharge is substantially steady state. The energy storage module further includes sensors for determining when the battery and load are connected.04-22-2010
20090278489LOSSLESS DYNAMIC BATTERY EQUALIZER SYSTEM AND METHOD - A system and method dynamically equalizes battery voltages with low inherent power losses in a string of series connected electrochemical batteries. The method includes charging/discharging a group of batteries using magnetic storage in a transformer with bipolar magnetic excursion, individually isolated circuits and pulsed energy transfer. A method also exchanges current between batteries using direct current transfer between them and limiting inductance. Using this method, battery voltage may be measured from an isolated circuit, thus enabling information transfer to a central monitoring system. The method also has the benefit of providing an estimation of battery internal resistance from isolated circuits in the series of batteries.11-12-2009
20090278488METHOD FOR DISCHARGE BALANCING OF A BATTERY ARRAY - A method for discharge balancing for a battery array including a plurality of partitions of battery cells 11-12-2009
20090096409Electronic Device Including Handheld Electronic Device With Dual Battery Configuration, and Associated Method - An improved handheld electronic device in conjunction with an improved holder for the handheld electronic device together form an improved electronic device. The handheld electronic device includes a first battery, and the holder includes a second battery and a charging apparatus. When the handheld electronic device and the holder are electrically connected together, such as when the handheld electronic device is received in a cavity formed in the holder and a plurality of first contacts on the handheld electronic device and a plurality of second contacts on the holder are electrically connected together, the charging apparatus charges the first battery on the handheld electronic device from the second battery on the holder.04-16-2009
20080238356PORTABLE ENERGY STORAGE AND CHARGING DEVICE - Disclosed is a portable charger device that includes a chamber to hold at least one rechargeable charging battery, and at least one controller. The controller is configured to determine a first charging current level to apply to the at least one rechargeable charging battery such that the at least one rechargeable charging battery achieves a first predetermined charge that is reached within a first period of time of 15 minutes or less, apply to the at least one rechargeable charging battery a first charging current substantially equal to the determined first charging current level, determine a second charging current to apply to the one or more external rechargeable batteries, and apply to the one or more external rechargeable batteries a second charging current substantially equal to the determined second charging current level, the second charging current being drawn from the at least one rechargeable charging battery.10-02-2008
20080284370Portable Battery Operated Power Supply - A portable battery-powered power supply or charger for use with electronic devices containing a primary or secondary battery. In order to control the current flow into and out of its battery, the portable power supply uses a bidirectional charge controller. The battery is installed in a housing which preferably has a single connector port to which a flexible current lead may be plugged. The bidirectional charge controller enables the battery either to supply current to the electronic device, to charge the device's internal battery, or it allows the battery, if it is a secondary battery, to be charged by connection to an externally powered charger, such as a wall mains adapter. Both of these functions are achieved through a single connection port.11-20-2008
20130214724ACTIVE BATTERY BALANCING CIRCUIT AND METHOD OF BALANCING AN ELECTRIC CHARGE IN A PLURALITY OF CELLS OF A BATTERY - A method and an active battery balancing circuit for balancing an electric charge in a plurality of cells of a battery that are electrically connected in series is disclosed. A first subset of the cells of the battery is electrically connected to an inductance for providing a current flow from the first subset through the inductance. The first subset of the cells is disconnected from the inductance, and a current is allowed to flow from the inductance into a second subset of the cells of the battery. At least one of the first and the second subset of the cells of the battery comprises two or more cells.08-22-2013
20100270968Methods, Systems & Products for Managing Energy Consumption - Methods, systems, and products are disclosed for managing energy consumption. Electrical power from an auxiliary battery system is received. The electrical power is shared with peripheral devices. A characteristic of a vehicle battery is received from an interface to an on board diagnostic system. When the electrical power received from the auxiliary battery system is less than a threshold value, then the auxiliary battery system is charged from a connection to the vehicle battery. The charging of the auxiliary battery system is disabled when the characteristic of the vehicle battery is less than the minimum value.10-28-2010
20090179612Bi-directional battery charging for coupled electronic devices - A system for bi-directional battery charging, including a first electronic device, including a first rechargeable battery, for providing power to the first electronic device, and a first battery charger, and a second electronic device, including a second rechargeable battery, for providing power to the second electronic device, a second battery charger, a voltage boost that receives an input voltage from the first rechargeable battery and is selectively enabled to either up-convert the input voltage as input to the second battery charger, or else to passively pass the input voltage to the second battery charger; and a controller for programmatically controlling the first and the second battery chargers and the voltage boost, wherein the second electronic device attaches to the first electronic device to operate in combination therewith, and wherein the controller is programmed to decide, based on the voltages of the first and the second rechargeable batteries: (i) whether to supply power to the second electronic device from the first or second rechargeable battery, (ii) whether to charge the second rechargeable battery from the first rechargeable battery, and (iii) whether to enable or disable the voltage boost. A method is also described and claimed.07-16-2009
20120104992ELECTRIC POWER TOOL SYSTEM - An electric power tool system comprises a tool main body, a battery pack detachably attached to the tool main body, and a first charger that charges the battery pack. The first charger comprises a rechargeable battery that supplies current to at least one rechargeable battery of the battery pack. The at least one rechargeable battery of the first charger preferably has a larger charge storage capacity than the at least one rechargeable battery of the battery pack.05-03-2012
20120104991ELECTRIC POWER TOOL SYSTEM - An electric power tool system comprises a tool main body, a battery pack detachably attached to the tool main body and a first charger that charges the battery pack. The first charger is detachably attached to the tool main body and/or the battery pack. The first charger is capable of charging the battery pack while the battery pack is attached to the tool main body. The first charger is preferably cordless and contains at least rechargeable battery for storing energy to charge the battery pack.05-03-2012
20090160398CHARGING CIRCUIT OF PORTABLE DEVICE - A charging circuit of a portable device includes a switch circuit having an input connected to a storage battery of the portable device for triggering the storage battery to supply power to an electronic device, a reference voltage circuit, a regulating circuit, a filter circuit filtering voltage signals from the storage battery, a collecting circuit, a comparator circuit, a rectangular generator, an integral circuit, and a driving circuit. The reference voltage circuit and the collecting circuit respectively output a reference voltage signal and a collecting voltage signal to the comparator circuit. The rectangular wave generator outputs a rectangular wave to the integral circuit. The integral circuit outputs a triangle wave signal to the driving circuit. The driving circuit outputs a pulse width modulation (PWM) signal to drive the regulating circuit to charge the electronic device.06-25-2009
20090015193Power Supply Device, Control Method of Power Supply Device, and Motor Vehicle Equipped with Power Supply Device - In a power supply device of the invention, when the state of charge SOC01-15-2009
20090051312BATTERY CHARGER - A battery charger for wirelessly providing additional operating time for a cell phone with a depleted battery. The battery charger has a charging unit incorporated into a case. The charging unit has an external port, a cell phone charging port, and a rechargeable battery. A cell phone with a depleted battery is placed inside the case and plugged into the cell phone charging port. The rechargeable battery of the charging unit recharges the cell phone battery, without requiring that either the battery charger or the cell phone be plugged into an external power source. An ON/OFF switch allows the user to enable/disable recharging. A status indicator light indicates the status of the battery charger. When the battery in the charging unit is depleted, the user plugs the charger into a standard external power source to recharge.02-26-2009
20110140650BATTERY PACK WITH BALANCING MANAGEMENT - A battery management system for a battery pack comprising multiple battery modules is disclosed. Each of the battery modules includes multiple battery cells. The battery management system includes multiple first balancing units, multiple first controllers, a second balancing unit including multiple second balancing circuits, and a second controller coupled to the battery modules and the second balancing circuits. The first controllers are operable for controlling the first balancing units to adjust voltages of battery cells in the battery module if an unbalance occurs between the battery cells. The second controller is operable for controlling said second balancing circuits to adjust voltages of said battery modules if an unbalance occurs between battery modules.06-16-2011
20100156342Multi-functional rechargeable charger and power supply with dual direct current outputs - A hand held charger for a plurality of different manufacturers electronic hand devices capable of supplying electrical capacity in devices from the 3.6 to 4.2 volt range and capable of operating on lithium or rechargeable Li-Ion batteries, the charger having a sensing means to determine which type of batteries are presently installed in the charger, the charger having both a mini-USB and 3/32 stereo-mono input and a USB and 3/32 stereo-mono output, as well as incorporating flashlight LED and capacity indicia indicator.06-24-2010
20090315508Apparatus and Method for Charging a First Battery From a Second Battery - A charger that charges at least one first battery from at least one second battery, with the first battery to be charged and the second charging battery arranged in a charger, and with the capacity of the first battery to be charged being substantially less than that of the second charging battery and wherein the charger is in the form of a thin substantially cylindrical pen.12-24-2009
20100156341Electronic Apparatus and Battery Unit - According to one embodiment, an electronic apparatus includes a main body and a battery unit which supplies power to the main body. The battery unit includes a first battery having a first connecting portion connected to the main body and a second connecting portion provided independent of the first connecting portion, and a second battery connected to the first battery via the second connecting portion. The second connecting portion is configured to be connected to the second battery in two different directions.06-24-2010
20100277117Bidirectional Power Converting Device - A bidirectional power converting device coupled between first and second power storage units includes: a coupling circuit including a first winding coupled to the first power storage unit, and a second winding coupled in series to the first winding; first and second switches coupled to the first winding; a capacitor coupled between the first and second switches; a third switch coupled between the second winding and the capacitor; and a fourth switch between the second winding and the second power storage unit. The first, second, third and fourth switches are operable so that an input voltage supplied by one of the first and second power storage units is converted into an output voltage that is to be supplied to the other one of the first and second power storage units.11-04-2010
20100237824INDUCTION CHARGER FOR CHARGING ELECTRONIC DEVICE - An induction charger for charging an electronic device includes a carrying car, a transmission assembly, a permanent magnet, an alternating current power supply, and an induction coil. The carrying car includes a base defined at least four slots scatted therein, a cover defining a through hole, at least two rotatable shaft, and at least two pairs of wheels positioned on a corresponding rotatable shaft and received in and passed through one corresponding slot. The transmission assembly includes a gear case defining a first through hole and a second through hole, a first hollow shaft non-rotatably fixed to the permanent magnet, and a second hollow shaft being inserted into a corresponding rotatable shaft. The induction coil is positioned in the base and aligned with and substantially parallel to the permanent magnet, and is electrically connected to the alternating current power supply.09-23-2010
20080246433APPARATUS AND METHOD FOR SENSING ATTACHMENT OR DETACHMENT OF BATTERY IN PORTABLE TERMINAL - A method for sensing detachment of a external battery in a portable terminal including a connector with which the external battery is detachably assembled includes determining that the external battery is assembled with the connector when an output voltage is observed, connecting the connector and an internal battery of the portable terminal to supply power from the external battery to the internal battery, disconnecting the connector from the internal battery to check an output voltage of the connector, and determining that the external battery has been detached from the connector when an output voltage is not observed.10-09-2008
20090108802Portable power supply module with automatic winding mechanism - A portable power supply module with winding mechanism is disclosed, which includes a shell body, a battery room formed at the shell body for accommodating at least one battery, a connection line, a pulling compartment in the shell body for accommodation of the connection line and a winding mechanism located in the pulling compartment. At least one set of conductive contact plates are provided and are connected to a circuit board to a supply power from the battery. A first end of the connection line is connected to the circuit board and a second end of the connection line is connected to an output connector. When the connection line is pulled and the winding mechanism slides forward to extend the connection line. When the portable power supply module is not in use, the winding mechanism pulls and retracts the connection body in the shell body.04-30-2009
20090108801Device integrated headset charger and holder - A device integrated charger and holder for wireless headsets are provided in the illustrative embodiments. An electronic device integrated holder and charger includes a first holder built into the electronic device to hold an object. A second holder is built into a wireless headset to couple to the first holder. A first set of contacts is accessible from the first holder and is configured to provide electrical power. A second set of contacts is accessible from the second holder and configured to receive electrical power from the first set of contacts when the second holder is coupled to the first holder. A method for holding and charging a device includes fastening a wireless headset to an electronic device, providing electrical power from the device to the wireless headset, and charging a power source in the wireless headset using the electrical power.04-30-2009
20090108800CASE BATTERY - A case battery for a personal digital assistant is provided. The case battery includes a holding portion and a charging portion. The holding portion holds the personal digital assistant detachably. The charging portion is disposed in the holding portion and configured to be electrically connected to the power input. The charging portion extends the usage time of the personal digital assistant. The charging portion includes an electrical power acceptor configured to accept electrical power from outside. The charging portion may further include a secondary battery, and the electrical power acceptor is configured to charge the secondary battery using an external electrical power source. The charging portion may include a primary battery and a receptacle configured to accept the primary battery.04-30-2009
20090045771CHARGER STAND FOR ELECTRICALLY HEATED ICE SKATES - A charger stand for a pair of electrically heated ice skates comprises a pair of channel shaped receptacles for receiving the skates in parallel side by side position with a housing for the charger electronics between the receptacles. A first connector connects to the blade and a second connector at the heel engaging portion touches a terminal on the skate heel. The blade is heated by a heating element encapsulated on the top edge of the blade in The?? battery pack is carried in the rear tower which is sealed against moisture penetration and includes two proximity switches for actuation.02-19-2009
20110025257CIRCUIT FOR EXTRACTING POWER FROM A BATTERY AND AN ELECTRONIC APPARATUS COMPRISING THE CIRCUIT - The present invention provides a circuit for extracting power from a battery and an electronic apparatus comprising the circuit. The circuit of the invention includes a first connecting unit, a second connecting unit and a processor. The first connecting unit is used for connecting a dry battery, and the second connecting unit is used for connecting a rechargeable battery. Additionally, the processor is connected to the first connecting unit and the second connecting unit respectively, for controlling the dry battery to charge the rechargeable battery, and for controlling the rechargeable battery to supply power to a load.02-03-2011
20120176081ENERGY STORAGE APPARATUS COMPRISING AN ENERGY STORAGE DEVICE - An energy storage apparatus including at least first and second energy storage devices to supply, or also consume, an electric current. At least the second energy storage device is an electrochemical energy storage device. A control device controls at least supply of electric current by at least one of the energy storage devices and can also control consumption of electric current by at least one of the energy storage devices. Energy density of the second energy storage device is higher than energy density of the first energy storage device; energy density is defined as the ratio between energy that can be stored in the energy storage device in a charged state and weight of the energy storage device. The control device can trigger the first energy storage device to supply electric current when the electric current exceeds a predetermined threshold value for the current strength.07-12-2012
20100164430Intelligent Adaptive Energy Management System and Method for Using - An intelligent adaptive energy management system and method that manages the charge and discharge process as well as the environmental quality of the energy resource to maximize its safety and its energy output. The system includes multiple features that may be used alone or in combination. One feature includes one or more sensors capable of measuring various characteristics of the battery cells and their environment such as cell temperature, rate of rise in cell temperature, cell voltage, cell density, cell internal resistance and cell shape deformation. The sensors communicate the measured data to a controller which controls activities such as cell charging, cell discharging, cell balancing, and/or cell availability to provide energy to the device served. Another feature includes a charging module in communication with the controller adapted to provide varying types and/or durations and/or amplitudes of the charge to the cells. Another feature includes a discharge system and methodology in communication with the controller that employs at least one first battery cell and at least two second battery cells adapted to work together in a complementary manner. Another feature includes an active cell balance system and methodology for balancing battery cells. Circuitry, firmware, and programmable software may be used to implement and control the above systems and methodologies to push energy resource capacity beyond its normal limits in a safe and predictable manner.07-01-2010
20110084648HYBRID ENERGY STORAGE SYSTEM - A hybrid energy storage system for supplying power to an application with a fluctuating load profile, such as, for example, electric vehicles, hybrid electric vehicles, plug-in hybrid electric vehicles, wind energy harvesting equipment and solar energy harvesting equipment. The hybrid energy storage system includes an ultra-capacitor electrically connected to a DC bus and a power source electrically connected to the DC bus via a controlled switch. The hybrid energy storage system further including a DC/DC converter connected between the power source and the ultra-capacitor, the DC/DC converter boosting a voltage of the power source to charge the ultra-capacitor. The DC/DC converter is preferably controlled to maintain a voltage of the ultra-capacitor at a higher value than the voltage of the power source.04-14-2011
20110148347RF POWERED SPECIALTY LIGHTING, MOTION, SOUND - Disclosed is a system for wirelessly powering an item. A source is configured to send wireless power. A target is configured to receive the wireless power and convert the wireless power to a useable power. A component is connected to and configured to receive the useable power from the target. When the component receives the usable power, the component activates. Also disclosed is an assembly including a system for wirelessly powering a component and a structure for supporting the system and an item.06-23-2011
20100039064Slate Wireless Keyboard Charging and Connection - An approach is provided that determines whether keyboard power connection points included in a wireless keyboard are connected to system power connection points in a computer system. Power is sent from the computer system to the wireless keyboard. The power is transmitted through the system power connection points to the keyboard power connection points. Keyboard components included in the wireless keyboard are also powered using the power sent from the computer system. If the keyboard power connection points are not connected to the system power connection points, the keyboard components are powered included in the wireless keyboard by using a keyboard battery that is included in the wireless keyboard. One of the keyboard components that receives power is a wireless interface that connects the wireless keyboard to the computer system.02-18-2010
20120242276METHOD FOR CONTROLLING POWER IN WIRELESS POWER TRANSMISSION ASSEMBLY AND WIRELESS POWER ASSEMBLY THEREOF - A power control method for a wireless power transmission assembly, and the wireless power transmission assembly. The method includes: outputting a direct current voltage to a wireless power transmission apparatus, the direct current voltage generated from an alternating current power source in an adaptor; and changing the level of the direct current voltage in the adaptor based on a voltage change communication signal if the wireless power transmission apparatus transmits the voltage change communication signal to the adaptor.09-27-2012
20110074338Multifunctional Computer Rechargeable Battery Application System and Application Method Thereof - A multifunctional computer chargeable battery application system and its application method are provided. The multifunctional computer chargeable battery application system includes a computer unit, a chargeable battery, a computer interface connected to the chargeable battery with the computer unit so that the battery is used to supply power to the computer unit or charge the computer unit, and an extension application functional module, wherein the battery is used to supply power to or charge the extension application functional module, and the extension application functional module is combined together with the chargeable battery by an embedding mode into a whole, or combined together with the chargeable battery through a detachable connection.03-31-2011
20110101909SYSTEMS INVOLVING GENERATION OF ELECTRICAL POWER - Systems involving generation of electrical power are provided. In this regard, a representative system includes: two rechargeable batteries; a DC-to-AC inverter; and a self-recharging system operative to alternately recharge a first of the batteries using charge provided from a second of the batteries, and recharge the second of the batteries using charge provided from the first of the batteries; wherein the DC-to-AC inverter is operative to direct charge from the first of the batteries to a load during recharge of the second of the batteries, and to direct charge from the second of the batteries to the load during recharge of the first of the batteries.05-05-2011
20110101908PORTABLE POWER SUPPLY DEVICE POWERED BY CELL PHONE BATTERY - A portable power supply device powered by a cell phone battery essentially includes a base, at least one receiving recess, a charging element, and at least one electrical connection element, wherein each of the at least one receiving recess is configured for receiving a cell phone battery. In addition to charging at least one cell phone battery via the charging element, the portable power supply device is also capable of supplying electric power from at least one cell phone battery to an external electronic device via the at least one electrical connection element coupled to the external electronic device.05-05-2011
20100060231Method and Apparatus for Energy Harvesting and/or Generation, Storage, and Delivery - A device and method for harvesting, generating, storing, and delivering energy to a load, particularly for remote or inaccessible applications. The device preferably comprises one or more energy sources, at least one supercapacitor, at least one rechargeable battery, and a controller. The charging of the energy storage devices and the delivery of power to the load is preferably dynamically varied to maximize efficiency. A low power consumption charge pump circuit is preferably employed to collect power from low power energy sources while also enabling the delivery of higher voltage power to the load. The charging voltage is preferably programmable, enabling one device to be used for a wide range of specific applications. Also low power charge pump driver circuits for efficient scavenging of low voltage, high current energy sources.03-11-2010
20100019718METHOD AND SYSTEM FOR EXTENDING LIFE OF A VEHICLE ENERGY STORAGE DEVICE - Methods and systems are provided for controlling a power transfer rate in to and/or out of a vehicle energy storage device to affect a current state of charge of the energy storage device. The vehicle may be on a mission comprising a plurality of future power transfer opportunities. In one example, the method comprises adjusting the power transfer rate based on an estimated duration of a future power transfer opportunity. Further, the method may include, if the estimated duration of the future power transfer opportunity is different from a predetermined threshold, changing the power transfer rate at the future power transfer opportunity. The method allows the operating life of the energy storage device to be extended.01-28-2010
20090102416Induction charger for portable battery-powered devices - A charging apparatus for a portable battery-powered device, including one or more of the following: a receiver that inserts into a charging jack of the portable battery-powered device, an outer casing that removably receives the portable battery-powered device and the receiver, and a battery cell contained within the outer casing that inductively charges the portable battery-powered device through the receiver. In various exemplary embodiments, the charging apparatus includes a charging base that inductively charges the battery cell when the outer casing is placed upon the charging base.04-23-2009
20100264870ELECTRICAL CONVERTER WITH VARIABLE CAPACITOR - A system for converting energy at a first voltage to a second voltage, including at least one source of voltage, a discharge switch, a variable capacitor, and a collection mechanism, connected in parallel, a charge switch between the discharge switch and the source, a transfer switch between the variable capacitor and the collection mechanism, and a controller to execute a control such that: a) during a first operation, the charge switch is closed to charge the variable capacitor, while the discharge switch and the transfer switch remain open; b) during a subsequent operation, the discharge switch is closed for a short instant while the charge switch remains open, allowing at least partial discharge of the variable capacitor.10-21-2010
20120038314Electric Vehicle Extended Range Hybrid Battery Pack System - A power source comprised of a first battery pack (e.g., a non-metal-air battery pack) and a second battery pack (e.g., a metal-air battery pack) is provided, wherein the second battery pack is only used as required by the state-of-charge (SOC) of the first battery pack or as a result of the user selecting an extended range mode of operation. Minimizing use of the second battery pack prevents it from undergoing unnecessary, and potentially lifetime limiting, charge cycles. The second battery pack may be used to charge the first battery pack or used in combination with the first battery pack to supply operational power to the electric vehicle.02-16-2012
20110316472PORTABLE CHARGING APPARATUS, CHARGING METHOD THEREOF, AND CHARGING SYSTEM - A portable charging apparatus, charging method and system for charging a battery of a mobile communication terminal are provided. The portable charging apparatus includes a first Universal Serial Bus (USB) interface connected to an external charging device, a second USB interface connected to a mobile communication terminal, and a switch located between data lines for USB communication. The method includes determining whether the portable charging apparatus is connected to the external charging device, switching on the switch when the portable charging apparatus is not connected to the external charging device, and determining whether the portable charging apparatus is connected to the mobile communication terminal, and supplying electric power from an additional battery of the portable charging apparatus to the mobile communication terminal when the portable charging apparatus is connected to the mobile communication terminal.12-29-2011
20120043923System, Method, Module, And Energy Exchanger For Optimizing Output Of Series-Connected Photovoltaic And Electrochemical Devices - An energy transfer device for solar power systems operates to draw power from high-producing photovoltaic devices and apply that power across low-producing photovoltaic devices. An embodiment is a self-regulating energy exchanger using bidirectional DC-DC converters that operates to maintain uniform voltage across each series-connected photovoltaic device. An alternative embodiment is an energy exchanger that is controlled to maintain each of several series-connected photovoltaic devices at a maximum power point by drawing power from high-performing devices and applying that power across low-performing devices to provide uniform current among series-connected photovoltaic devices.02-23-2012
20120007546Power Supply for Battery Powered Devices - An auxiliary power supply (01-12-2012
20120025754BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CHARGE BALANCING - Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E02-02-2012
20120025753Multiple Stage Heterogeneous High Power Battery System for Hybrid and Electric Vehicle - A multiple stage battery system has significantly improved battery life in hybrid and electric motorized vehicle. At least two segments of battery packs are charged and discharged with two different battery management strategies, one handles transient energy needs and the other copes with cruise energy needs. The primary segment of battery are charged and discharged within a controlled State of Charge (SOC) range at a set point, it stores relatively less energy but supplies relative high impulse current during charge and discharge. The secondary segments have larger energy capacity, and are charged and discharged at constant current mode in deep cycling, near complete full charge and full discharge. These two segments of batteries could be different type of chemistry, i.e. NiMH, NiCD and Li-ion. This results in longer overall battery life and higher usable capacity for high power battery operations.02-02-2012
20120025756CIRCUITS AND METHODS FOR HEATING BATTERIES IN SERIES USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery (E02-02-2012
20120062167DC-DC CONVERTER - A DC-DC converter includes a power conversion unit, a load amount detector, a charge detector that detects whether or not a battery is being charged, a switching frequency setting unit, and a switching controller. The load amount detector detects a load amount of the power conversion unit. The switching frequency setting unit sets a switching frequency of a switching element based on the load amount when the charge detector detects that the battery is not being charged, and sets the switching frequency of the switching element to a predetermined value when the charge detector detects that the battery is being charged.03-15-2012
20090134836DEVICES AND METHODS FOR ELECTRONIC DEVICE RECHARGING - Disclosed are devices and methods for regulating providing a charge via a charge receiving port of one device, the one device coupled to another device having a charge providing port. In one embodiment, the ports can be coupled by a cable. In another embodiment, the ports can be coupled wirelessly. The charge delivering device may regulate a charge providing process, controlled by a charge regulating controller of the charge providing device and based, for example, upon predetermined criteria. A charge regulating controller can disable the charging process, monitor the charge depletion rate, or the charging process may be based upon user established criteria. A charge regulating controller of the other device can regulate the charge accepting process. Each device may take on both roles, that is providing charge and receiving charge.05-28-2009
20110089888Multifunctional Notebook Battery Device - A notebook computer battery pack device charges an external electrical device and powers a notebook computer. The notebook computer battery pack device includes battery cells for converting chemical energy into direct current power, a first interface connector for transferring the direct current power to a notebook computer, a second interface connector for transferring the direct current power to the external electrical device, battery management circuitry for providing circuit protection, and charging circuitry for charging the external electrical device through the second interface connector.04-21-2011
20100244765SYSTEM AND METHOD OF MANAGING POWER AT A PORTABLE COMPUTING DEVICE AND A PORTABLE COMPUTING DEVICE DOCKING STATION - A method of managing power distribution between a portable computing device (PCD) and a PCD docking station is disclosed and may include determining that the PCD is docked with the PCD docking station, switching a power supply to the PCD from a PCD battery to a PCD docking station battery, and powering the PCD and the PCD docking station from the PCD docking station battery. Further, the method may include determining whether a PCD battery power equals a charge condition and charging the PCD battery when the PCD battery power equals the charge condition. The method may also include monitoring a PCD docking station battery power, determining whether the PCD docking station battery power equals a warning condition, and transmitting a first warning when the PCD docking station battery power equals the warning condition.09-30-2010
20120161693FLYING CAPACITOR TYPE VOLTAGE DETECTING CIRCUIT AND BATTERY PROTECTION INTEGRATED CIRCUIT - A voltage-detecting circuit includes a flying capacitor; a first switch circuit allowing plural electric cells connected in series, so that polarity of voltage across electrodes of the flying capacitor charged by one of the electric cells is opposite to polarity of voltage across the electrodes of the flying capacitor charged by an adjacent one of the electric cells; a second switch circuit discharging the flying capacitor; an output circuit outputting a signal depending on the voltage across the flying capacitor; a shield arranged around the flying capacitor electrodes to substantially equalize parasitic capacitances between the shield and each of the electrodes; and a voltage-controlling circuit equalizing voltage between one of the electrodes of the flying capacitor and the shield when charging the flying capacitor, with voltage between another one of the electrodes of the flying capacitor and the shield when discharging the flying capacitor.06-28-2012
20100207574Energy Smart Charging System - A portable power supply system comprising several portable power sources coupled to a power supply charging circuit, wherein said power supply charging circuit comprises an inverter, a charger and a control unit that controls the portable power source delivery of energy in order to reduce damages to said portable power source.08-19-2010
20110181235Smart Charging System and Related Method - According to one disclosed embodiment, a smart charging system includes a power conversion unit having a communication module and a charging integrated circuit that can convert mains power into a managed charging power used to charge any of several electronic devices. In one embodiment, a power conversion unit can manage a charging process by communicating with a connected electronic device and exchanging a charge profile representing ideal characteristics of the charging power. In one embodiment, an electronic device receives a charge from a power conversion unit through a wired power conduit. In another embodiment, an electronic device receives a charge from a power conversion unit through a wireless power conduit. In one embodiment, the smart charging system includes a battery usable to charge an electronic device when a mains adapter of the smart charging system is not powered.07-28-2011
20120235626BATTERY CHARGING APPARATUS - A battery charging apparatus includes a converting unit, first and second charging units and a switching unit. The converting unit separately convert AC power into a first voltage and a second voltage. The first charging unit drops the converted first voltage and charge a high voltage battery with the dropped first voltage. The second charging unit drops the converted second voltage or a third voltage of the high voltage battery, and charges an auxiliary battery with the dropped second or third voltage. The switching unit performs, in a first mode, the charging of the high voltage battery and the auxiliary battery by the AC power, and in a second mode, stops the charging of the high voltage battery by the AC power and performs the charging of the auxiliary battery by the third voltage.09-20-2012
20120176082BATTERY PACK SYSTEM OF IMPROVING OPERATING PERFORMANCE USING INTERNAL RESISTANCE OF CELL - Disclosed is a battery pack system to supply current necessary to operate an external device, including a battery module including battery cells which can be charged and discharged, a temperature sensor, an auxiliary power unit to supply a charge and discharge pulse current to the battery module, and a controller to connect the auxiliary power unit to the battery module so that the charge and discharge pulse current is supplied to the battery module when a measured temperature (T07-12-2012
20120313570NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK, ELECTRONIC APPLIANCE, ELECTRIC VEHICLE, ELECTRICITY STORAGE APPARATUS, AND ELECTRIC POWER SYSTEM EACH USING NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a nonaqueous electrolytic solution containing a nonaqueous solvent, an electrolyte salt, an overcharge controlling agent capable of generating a redox reaction at a prescribed potential, and at least one member selected from the compounds (1) to (10).12-13-2012
20120074895Charge Equalization Between Series-Connected Battery Cells - In one embodiment, a method includes receiving a first input current from a battery through a first connection and a second connection and generating a first output current through a third connection to a first node and a fourth connection to a second node. The first and second nodes are configured to output the first output current to an energy store configured to store a charge. The method includes receiving a second input current through the third connection from the first node and the fourth connection from the second nodes and generating a second output current through the first and second connections to charge the battery.03-29-2012
20120074894HYBRID BATTERY MODULE AND BATTERY MANAGEMENT METHOD - A hybrid battery module and a battery management method are provided. The hybrid battery module comprises a first energy storage unit, a second energy storage unit, and a charging unit. The charging unit is coupled between the first energy storage unit and the second energy storage unit for selectively providing a charging path between the first energy storage unit and the second storage unit. The first energy storage unit and the second energy storage unit transmit the energy stored therein to each other through the charging unit to maintain optimum power statuses thereof.03-29-2012
20120256583Low Cost Fast Charger with Internal Accumulator and Method - Disclosed is a charger device configured to charge a rechargeable battery comprising at least one rechargeable electrochemical cell includes a lead-acid battery charge accumulator device of a high discharge rate, having a discharge rate that is capable of delivering charging current to the at least one rechargeable electrochemical cell to charge the at least one rechargeable electrochemical cell within a period of about 5 to 15 minutes, a low rate 200 ma charger coupled in shunt with the lead-acid battery high discharge rate charge accumulator device and with the charger configured to re-charge the high discharge rate charge accumulator at a low charge rate, in comparison to the discharge rate of high discharge rate charge accumulator and a series resistor coupled between the accumulator and an output of the charger device.10-11-2012
20120262105DUAL-MODE BATTERY - A battery apparatus is provided comprising a mechanical battery (10-18-2012
20120299530POWER MANAGEMENT METHOD AND ELECTRONIC SYSTEM USING THE SAME - A power management method and an electronic system using the same are provided. The electronic system includes a display device and an auxiliary device, and has dual batteries and two subsystems. By detection and control mechanisms of the subsystems, the electronic system may allow the display device to maintain in a full power state, in the case where the external power is available or the power of the auxiliary device is sufficient. On the other hand, the auxiliary device may apply to the display device, such as a notebook computer, and the battery time may also be extended since the computer has two batteries.11-29-2012
20120235627BALANCING ELECTRICAL VOLTAGES OF GROUPS OF ELECTRICAL ACCUMULATOR UNITS - A method for balancing the electrical group voltages of at least two accumulator groups which are connected in series and each of which have a plurality of accumulator units provides that one accumulator group is connected to the winding of a coil in order to excite the coil, and the other accumulator group is charged by the excited coil by the subsequent connection of the winding to the other accumulator group. In addition, a corresponding electrical accumulator is provided.09-20-2012
20110037426APPARATUS AND METHOD FOR THE POWER MANAGEMENT OF OPERATIVELY CONNECTED BATTERIES RESPECTIVELY ON A HANDHELD ELECTRONIC DEVICE AND A HOLDER FOR THE HANDHELD ELECTRONIC DEVICE - A handheld electronic device in conjunction with a holder for the handheld electronic device that together form an electronic device. The handheld electronic device includes a first battery and the holder includes a second battery and a charging apparatus. When the handheld electronic device and the holder are electrically connected together, such as when the handheld electronic device is received in a cavity formed in the holder the charging apparatus charges the first battery on the handheld electronic device from the second battery on the holder when the first battery charge has been depleted to a given level and the second battery charge is above a second given level. Alternatively, if the first battery charge is above a third given level the first battery charges the second battery if the second battery is not fully charged.02-17-2011
20120268057BASIC UNIT OF LITHIUM-ION BATTERY, BATTERY PACK COMPRISING THE SAME, AND CHARGE/DISCHARGE EQUALIZING METHOD THEREOF - A basic unit of lithium-ion battery, including: at least two series-connected lithium-ion cells; at least one lithium-ion cell for balance; controllable switches with the same number as the lithium-ion cells; a drive module for the controllable switches; a voltage detection module for detecting a voltage at two ends of the lithium-ion cells; and a controller. The lithium-ion cell for balance is connected in parallel to the lithium-ion cells. The controllable switches control the turn on/off of the connection in parallel between the lithium-ion cell for balance and each of the lithium-ion cells independently. The drive module for the controllable switches and the voltage detection module are connected to the controller. A battery pack including the basic unit of lithium-ion battery and a method for real-time charge/discharge equalizing of the basic unit of lithium-ion battery are also provided.10-25-2012
20120326654STORAGE BATTERY - A storage battery has at least battery banks, switching units, a charging terminal, a discharging terminal and a battery management unit. The battery banks form a bank structure. Each switching unit electrically connects a group of the battery banks with either the charging terminal or the discharging terminal, and disconnects the group of the battery banks from the charging terminal or the discharging terminal. The battery management unit instructs the switching units to electrically and simultaneously connect one or more battery banks to the charging terminal during charging, and to electrically and simultaneously connect one or more battery banks to the discharging terminal during discharging.12-27-2012
20120286719SECONDARY BATTERY - A piezoelectric element layer is further formed as a package material of a secondary battery, so that the secondary battery can be self-charged using a voltage generated in the piezoelectric element layer according to vibration generated in an electronic device and vibration generated by movement of the electronic device itself. The secondary battery includes a battery case that accommodates an electrode assembly, the battery case having an outer coating layer and a piezoelectric element layer formed on an inner surface of the outer coating layer, and a protection circuit module mounted to an outside of the battery case and electrically connected to the electrode assembly. In the secondary battery, a voltage storage is provided to the protection circuit module, and the piezoelectric element layer converts absorbed vibration into voltage and then stores the voltage in the voltage storage so that the secondary battery is self-charged as occasion demands.11-15-2012
20130015808DEVICE AND METHOD FOR CHARGING A MASTER DEVICE USING A DETACHABLE DEVICEAANM LEE; HyangbokAACI SeoulAACO KRAAGP LEE; Hyangbok Seoul KR - A charging control method of a master device receiving an operating power from an auxiliary battery device or an internal battery, the auxiliary battery device including a battery having a first power supply and a first power supply output port for outputting the first power supply, is provided. The method includes converting a second power supply to the first power supply upon detecting the second power supply at an input port of the master device in order to provide the converted first power supply as an operating power of the master device and/or a charging power of the internal battery, and detecting a connection with the auxiliary battery device upon detecting the first power supply at the input port in order to provide the first power supply as the operating power of the master device and/or the charging power of the internal battery without voltage drop.01-17-2013
20130020982EQUALIZATION SYSTEM FOR ACCUMULATOR BATTERIES - An apparatus comprising a charge equalizing system for batteries has two accumulator stages in series. Each stage has a charging device having an inductance for storing energy, and first and second diodes. The first diode's anode links to a negative pole of the accumulator stage. Its cathode links to the inductance's first end. The second diode's cathode links to a positive pole of the accumulator stage; its anode links to the inductance's second end. A first controlled switch links to a battery's negative pole and to the second diode's anode. A second controlled switch links to the battery's positive pole and to the first diode's cathode. A control device controls the charging devices. The control device closes the switches of a charging device associated with the accumulator stage to be charged so that the inductance stores energy, and opens the switches to transfer the energy to the associated accumulator stage.01-24-2013
20080231226Battery Powered Device - A battery powered apparatus (09-25-2008
20130169212APPARATUS FOR CHARGING BATTERY IN ELECTRIC VEHICLE - Provided is an apparatus for charging battery in electric vehicle that includes a DC-DC converter unit formed in two channels for converting a charge of the low voltage battery to a power source by receiving a power source from the high voltage battery.07-04-2013
20080224654Apparatus and Method for Controlling Battery Recharging and Discharging in a Portable Terminal - An apparatus and method for controlling battery discharging in a portable terminal having a detachable external battery are provided. The method includes determining if the external battery has been connected with the portable terminal when the portable terminal is booted, receiving power from the external battery when the external battery is connected with the portable terminal and receiving power from an embedded battery of the portable terminal when the external battery has been completely discharged. Furthermore, in charging the batteries, the embedded battery of the portable terminal is first charged when battery charging current is input in a state that the external battery has been connected with the portable terminal, and the external battery is charged when the embedded battery has been completely charged. Power from the external battery is first used when a portable terminal assembled with the external battery is used, and an embedded battery is first charged in charging batteries. Therefore, the embedded battery capacity of the portable terminal can be maintained as much as possible. Furthermore, although the external battery is separated from the portable terminal during battery charging/discharging, the embedded battery capacity can be maintained as much as possible. As a result, even if only the embedded battery is used, a using time of the embedded battery can be increased. Therefore, it is possible to improve the user's convenience.09-18-2008
20080224653BATTERY-OPERATED POWER OUTPUT DEVICE - A battery-operated power output device includes a battery seat for receiving a dry cell power source, a charging signal generator connected to the battery seat for generating a charging signal output, a power source connector for connection to a rechargeable battery load, a safety switch for making or breaking connection between the power source connector and the charging signal generator, a detecting module for detecting voltage and current values of the charging signal output, and a switch controller that controls the safety switch according to a timer signal from a timer unit and detected voltage and current values from the detecting module.09-18-2008
20110273136ELECTRIC POWER CONVERTER - An electric power converter (11-10-2011
20120249050AUXILIARY BATTERY CHARGING APPARATUS - When an auxiliary battery is charged, a second switch is turned on and off, a third switch is turned off, and a fourth switch is turned on. When the output voltages of first and second rechargeable battery cells are equalized, the first and second switched are turned on and off respectively, a third switch is turned on, and a fourth switch is turned off.10-04-2012
20130099723SYSTEMS AND METHODS FOR CELL BALANCING - A method for balancing multiple battery cells which are grouped into multiple battery modules includes: obtaining cell parameters of the battery cells, respectively; calculating an average cell parameter for each of the battery modules according to the cell parameters; identifying a donator module and a receiver module from the battery modules based upon the average cell parameter; and transferring energy from the donator module to the receiver module to balance the battery cells.04-25-2013
20130127397Combined Primary And Secondary Units - A system has a primary unit (05-23-2013
20130127398CIRCUITS AND METHODS FOR HEATING BATTERIES IN SERIES USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery E05-23-2013
20130134923APPARATUS, AND ASSOCIATED METHOD, FOR PROVIDING CHARGING ENERGY TO RECHARGE A PORTABLE POWER SUPPLY - An apparatus, and an associated method, for providing charging energy to a portable power supply, sourced at the portable power supply of another portable electronic device. The portable electronic devices are arranged in a charging configuration in which the portable electronic device from which energy is to be sourced is coupled to the portable electronic device to which the charging energy is to be applied. A controller controls the charging operations to ensure that energy of a host portable power supply is not depleted beyond a minimum level, and the application of the charging energy is terminated when a recipient portable power supply is charged to a desired level or the host portable power supply is depleted to the minimum level.05-30-2013
20130141032CIRCUITS AND METHODS FOR HEATING BATTERIES IN PARALLEL USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R06-06-2013
20080197801Bidirectional Battery Charge Controller - A bidirectional battery charge control system for a portable electronic device which uses a rechargeable main battery. The system enables the connection of an auxiliary battery to the device for inputting additional current to the device. Control of the current flow into and out of the auxiliary battery is performed by a bidirectional charger. The auxiliary battery can contain one or more readily available primary or secondary cells, and the bidirectional charger is such that an external charger connected to the device, generally used to charge the main rechargeable battery of the device, can also recharge a secondary cell or cells in the auxiliary battery, if such are installed. The use of such an auxiliary battery enables the main battery to be hard-wired into the device.08-21-2008
20080315829Power Supply Systems for Electrical Devices - An electrically powered portable device, the device including means for providing a function to be performed by the device, an electrical power supply which incorporates in combination a voltage source and at least one capacitor for storing electrical charge to power the device, the voltage source and the at least one capacitor being arranged so that the voltage source progressively charges the at least one capacitor for any period that the at least one capacitor is not fully charged, and electronic control circuitry to control electrical power drawn from the electrical power supply for driving the function providing means.12-25-2008
20100308765HYBRID ENERGY STORAGE SYSTEM, RENEWABLE ENERGY SYSTEM INCLUDING THE STORAGE SYSTEM, AND METHOD OF USING SAME - This disclosure generally relates to stabilizing energy provided by an energy source, and more particularly to systems and methods for using multiple types of energy storage devices to selectively capture and provide energy. An energy source provides energy, and the energy storage devices selectively capture energy provided by the energy source in excess of an immediate energy requirement of a load and selectively provide energy when the immediate energy requirement of the load exceeds the energy provided by the energy source.12-09-2010
20130181656APPARATUS AND METHOD FOR VOLTAGE CONVERSION - Disclosed is a charging device comprising: a DC-to-DC converter for converting electrical power obtained from a battery source into a charging current for transmission to an electronic device; a voltage latch electrically connected to the DC-to-DC converter, the voltage latch for controlling the DC-to-DC converter so as to mitigate oscillation in the battery source; and an output current control electrically connected to the DC-to-DC converter, the output current control for regulating the charging current transmitted to the electronic device.07-18-2013
20110298414BIDIRECTIONAL BATTERY CHARGE CONTROLLER - There is disclosed a battery power supply system adapted to be installed in a portable electronic device, and a method of powering a portable electronic device. Other embodiments are also disclosed.12-08-2011
20090200982USB port with smart power management - A method involves detecting an inrush current that flows out of a USB port of a first electronic device when a central processing unit (CPU) of the first electronic device is not being powered. The inrush current is detected by a novel inrush current detect circuit when a second electronic device is connected to the USB port. In one example, the first electronic device is a laptop computer having a battery and a USB DC-to-DC converter. The inrush current detect circuit enables the USB DC-to-DC converter such that the USB DC-to-DC converter receives power from the battery and supplies a regulated voltage to the second electronic device through the USB port while the CPU remains unpowered (not drawing power from the battery).08-13-2009
20120286718SYSTEMS AND METHODS FOR PROVIDING A PERSONAL ELECTRONICS CARRYING DEVICE - The present invention relates to a device for carrying a personal electronic device. In particular, the present invention relates to a carrying device having an internal battery whereby a personal electronic device is coupled to the battery of the carrying device to power and/or charge the personal electronic device. Additionally, a carrying device is disclosed including an AC power adapter whereby the carrying device is plugged into an electrical receptacle to charge the battery of the carrying device.11-15-2012
20120019193CHARGING AND POWER SUPPLYING METHOD FOR TERMAL, AND TERMINAL - Embodiments of the present invention relate to a charging method for a terminal, a power supplying method for a terminal, and a terminal. The terminal comprises at least a master device supply. The method comprises: detecting a power level of a battery of a second terminal when the second terminal is in connection with the terminal, and when the power level of the battery of the second terminal is less than a predetermined first charge threshold, controlling the master device supply to be connected with the battery of the second terminal, such that the master device supply charges the battery of the second terminal. According to the embodiments of the present invention, it is possible to ensure that the battery of the second terminal can carry as much power as possible. in case that the power of the battery of the terminal is low, the battery of the second terminal can supply power to the terminal and the second terminal to maintain the operation of them. As a result, the usage, stability, and convenience of the terminal can be improved.01-26-2012
20120019192SEMICONDUCTOR 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.01-26-2012
20130193906TERMINALS, TERMINAL SYSTEMS AND CHARGING/DISCHARGING METHODS THEREOF - Terminals, terminal systems, charging/discharging methods for the terminals, charging/discharging methods for the terminal systems, and discharging methods are disclosed. The terminal is coupled to a second terminal including a second switching unit, a second charging unit and a second battery unit. The second charging unit is coupled to the second battery unit. The terminal includes a first switching unit and a first battery unit. The first switching unit is coupled to each of the second switching unit and the first battery unit. The first switching unit is configured to receive a control instruction or a control signal, and to switch to the second switching unit based on the control instruction or the control signal so as to supply power to the second terminal with the first battery unit, or switch to the second charging unit based on the control instruction or the control signal so as to charge the second battery unit with the first battery unit. Thus, the battery of the terminal can be used to charge the battery of the second terminal or used directly as a second battery for supplying power to the second terminal. This improves user convenience and usability of the terminals.08-01-2013

Patent applications in class ONE CELL OR BATTERY CHARGES ANOTHER

Patent applications in all subclasses ONE CELL OR BATTERY CHARGES ANOTHER