Patent application number | Description | Published |
20080272316 | Path tracing apparatus and method - A low maintenance path tracing apparatus comprising at least one marker including an emitter of a tracer signal and a receiving medium for recording the path of the tracer signal. The apparatus further includes a power providing arrangement comprising a base unit which wirelessly provides power to the marker for powering the emitter. | 11-06-2008 |
20100066176 | NON RESONANT INDUCTIVE POWER TRANSMISSION SYSTEM AND METHOD - Non-resonant inductive power transmission wherein the driving voltage across a primary inductor oscillates at a frequency significantly different from the resonant frequency of the inductive coupling system. Embodiments of the invention include systems and methods for: power regulation using frequency control, fault detection using voltage peak detectors and inductive communication channels. | 03-18-2010 |
20100070219 | EFFICIENCY MONITOR FOR INDUCTIVE POWER TRANSMISSION - An efficiency monitor for monitoring the efficiency of power transmission by an inductive power outlet. The efficiency monitor includes an input power monitor, for measuring the input power delivered to the primary coil, and an output power monitor, for measuring the output power received by the secondary coil. The input and output powers are used by a processor to determine an index of power-loss. A circuit breaker may be used to disconnect the inductive power outlet in case of excessive power loss. | 03-18-2010 |
20100072825 | SYSTEM AND METHOD FOR CONTROLLING POWER TRANSFER ACROSS AN INDUCTIVE POWER COUPLING - A signal transfer system for controlling power transfer across an inductive power coupling. A transmission circuit associated with an inductive power receiver is configured to transmit a control signal to a reception circuit associated with an inductive power outlet. The transmission circuit includes an ancillary load and a switching unit for modulating power drawn by a secondary inductive coil according to the control signal. The reception circuit is configured to monitor power provided to a primary inductive coil thereby detecting the modulated control signal. The signal transfer system may be used to regulate the power supplied by the inductive coupling and to detect the presence of the secondary coil. | 03-25-2010 |
20100073177 | INDUCTIVE POWER OUTLET LOCATOR - A power outlet locator for locating concealed inductive power outlet. A sensor is provided for detecting a signal emitted by an inductive power outlet. A processor uses the detected signal to compute location coordinates of the power outlet. A user interface is provided to communicate the location of the power outlet to a user. | 03-25-2010 |
20100181841 | PINLESS POWER COUPLING - A pin-less power coupling arrangement comprising at least one pin-less power jack; the power jack comprising a primary coil shielded behind an insulating layer for inductive coupling to a pin-less power plug; said power plug comprising a secondary coil wherein said insulating layer is substantially flat and said power plug and said power jack may be aligned by an alignment means. Various such alignment means are discussed as are enabled surfaces for supporting inductive power jacks and inductive plugs coupled to various appliances. | 07-22-2010 |
20100194336 | INDUCTIVELY 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 |
20100219183 | SYSTEM FOR INDUCTIVE POWER PROVISION WITHIN A BOUNDING SURFACE - A power providing system in which inductive power outlets are incorporated into a bounding surface of a workspace includes inductive power outlets having primary inductors connected to a power supply via a driver. The primary inductors may be inductively coupled to secondary inductors wired to an electric load to provide power thereto. The bounding surface may be a wall, floor, ceiling or the like. Various inductively enabled prefabricated materials are disclosed for incorporating into such bounding surfaces. | 09-02-2010 |
20100219693 | SYSTEM FOR INDUCTIVE POWER PROVISION IN WET ENVIRONMENTS - Inductive power providing systems suitable for wet environments are disclosed. Water resistant inductive outlets include primary inductors incorporated into water resistant work-surfaces. Water resistant inductive power receivers include secondary inductors incorporated into water resistant casings. Secondary inductors are configured to couple with primary inductors thereby providing power to electrical loads connected thereto. | 09-02-2010 |
20100219697 | ADJUSTABLE INDUCTIVE POWER TRANSMISSION PLATFORM - An adjustable inductive power transmission platform includes inductive power outlets embedded into adjustable modules having multiple configurations. The inductive power outlets are configured to couple with inductive power receivers to provide power to electrical loads wired thereto. The multiple configurations of the adjustable modules allow the position of the inductive power outlets to be adjusted to match the locations of inductive receivers to suit changing requirements. | 09-02-2010 |
20100219698 | CENTRALLY CONTROLLED INDUCTIVE POWER TRANSMISSION PLATFORM - An inductive power transmission platform includes a plurality of inductive power outlets connected to a common driver via individual power switches. The inductive power outlets are configured to couple with inductive power receivers to provide power to electrical loads wired thereto. The switches may be configured to remain closed while current passes therethrough. The common driver may be used to manage the power drawn by the transmission platform to each of the inductive power outlets. | 09-02-2010 |
20100244584 | INDUCTIVE POWER PROVIDING SYSTEM HAVING MOVING OUTLETS - A power providing system includes at least one inductive power outlet configured to be movable behind an extended surface. The inductive power outlet includes a primary inductor configured to couple inductively with a secondary inductor wired to an electric load. The inductive power outlet is mounted upon a positioning mechanism upon which the primary inductor may be moved behind the extended surface. | 09-30-2010 |
20100253282 | CHARGEABLE 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 |
20100259401 | SYSTEM AND METHOD FOR INDUCTIVE POWER PROVISION OVER AN EXTENDED SURFACE - A power providing system for transferring power from an inductive power outlet to an inductive power receiver. The power providing system includes a targeting apparatus capable of detecting the location of the inductive power receiver adjacent to said extended surface and driving a primary inductor in the vicinity of the inductive power receiver. Optionally, the inductive power outlet includes a moving primary inductor which may move into alignment with the receiver. Alternatively, the inductive power outlet includes an array of primary inductors and a primary inductor may be selected in the locality of the inductive power receiver. | 10-14-2010 |
20110062793 | TRANSMISSION-GUARD SYSTEM AND METHOD FOR AN INDUCTIVE POWER SUPPLY - A transmission-guard is disclosed for preventing an inductive power outlet from transmitting power in the absence of an inductive power receiver. A transmission lock is associated with an inductive power outlet and a transmission key is associated with an inductive power receiver. The transmission lock is configured to prevent a primary inductor from connecting to the power supply unless triggered by a release signal via the transmission key. | 03-17-2011 |
20110121660 | APPLIANCE MOUNTED POWER OUTLETS - An electrical appliance comprising a connection to a power source and a principle electrical load, wherein the appliance additionally comprises at least one inductive power outlet, the inductive power outlet comprising: at least one driver, connectable to the power source, the driver for providing an oscillating voltage supply; and at least one primary inductive coil connected to the driver, the primary inductive coil for inductively coupling with an external secondary inductive coil wired to a second electrical load. | 05-26-2011 |
20120071091 | EFFICIENCY MONITOR FOR INDUCTIVE POWER TRANSMISSION - An efficiency monitor for monitoring the efficiency of power transmission by an inductive power outlet. The efficiency monitor includes an input power monitor, for measuring the input power delivered to the primary coil, and an output power monitor, for measuring the output power received by the secondary coil. The input and output powers are used by a processor to determine an index of power-loss. A circuit breaker may be used to disconnect the inductive power outlet in case of excessive power loss. | 03-22-2012 |
20120193993 | ENERGY EFFICIENT INDUCTIVE POWER TRANSMISSION SYSTEM AND METHOD - An inductive power transfer system and method for transferring power to an electrical device wirelessly. The system includes an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation. | 08-02-2012 |
20120212073 | NON RESONANT INDUCTIVE POWER TRANSMISSION SYSTEM AND METHOD - Non-resonant inductive power transmission wherein the driving voltage across a primary inductor oscillates at a frequency significantly different from the resonant frequency of the inductive coupling system. Embodiments of the invention include systems and methods for: power regulation using frequency control, fault detection using voltage peak detectors and inductive communication channels. | 08-23-2012 |
20120230521 | INDUCTIVELY 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. | 09-13-2012 |
20130062960 | SYSTEM AND METHOD FOR CONTROLLING THE CONNECTION FROM A POWER SUPPLY TO AN INDUCTIVE POWER OUTLET - A switching system configured to control a connection between a power supply and an inductive power outlet where the inductive power outlet includes at least one primary inductor configured to inductively couple with a secondary inductor associated with an inductive power receiver includes a circuit breaker configured to disconnect the inductive power outlet from the power supply, and a trigger switch configured to disable the circuit breaker when the inductive power receiver is brought into proximity with the inductive power outlet. | 03-14-2013 |
20130132743 | INDUCTIVE RECEIVERS FOR ELECTRICAL DEVICES - A power providing system for an electrical device includes a secondary inductor, wired to the electrical device, for inductively coupling with a primary inductor hardwired to a power supply. The secondary inductor is incorporated into an accessory of the electrical device. | 05-23-2013 |
20130241478 | Adjustable Inductive Power Transmission Platform - An adjustable inductive power transmission platform includes inductive power outlets embedded into adjustable modules having multiple configurations. The inductive power outlets are configured to couple with inductive power receivers to provide power to electrical loads wired thereto. The multiple configurations of the adjustable modules allow the position of the inductive power outlets to be adjusted to match the locations of inductive receivers to suit changing requirements. | 09-19-2013 |
20130285606 | SYSTEM FOR TRANSFERRING POWER INDUCTIVELY TO ITEMS WITHIN A CONTAINER - An inductive power transfer system includes an inductive power transmitter in the shape of a container that is capable of holding one or more electrical devices. The system is operable to transfer power inductively to devices stowed within the container via inductive power receivers. The inductive power transmitter includes at least one primary inductor configured to couple inductively with at least one secondary inductor and at least one driver configured to provide a variable electric potential at a driving frequency across said primary inductor. The inductive power receiver may comprise at least one secondary inductor connectable to a receiving circuit and an electric load, said secondary inductor configured to couple inductively with said at least one primary inductor such that power is transferred to said electric load. | 10-31-2013 |
20140008997 | PINLESS POWER COUPLING - A pin-less power coupling arrangement comprising at least one pin-less power jack; the power jack comprising a primary coil shielded behind an insulating layer for inductive coupling to a pin-less power plug; said power plug comprising a secondary coil wherein said insulating layer is substantially flat and said power plug and said power jack may be aligned by an alignment means. Various such alignment means are discussed as are enabled surfaces for supporting inductive power jacks and inductive plugs coupled to various appliances. | 01-09-2014 |
20140091638 | SYSTEM AND METHOD FOR INDUCTIVE POWER PROVISION OVER AN EXTENDED SURFACE - A power providing system for transferring power from an inductive power outlet to an inductive power receiver. The power providing system includes a targeting apparatus capable of detecting the location of the inductive power receiver adjacent to said extended surface and driving a primary inductor in the vicinity of the inductive power receiver. Optionally, the inductive power outlet includes a moving primary inductor which may move into alignment with the receiver. Alternatively, the inductive power outlet includes an array of primary inductors and a primary inductor may be selected in the locality of the inductive power receiver. | 04-03-2014 |
20140097677 | EFFICIENCY MONITOR FOR INDUCTIVE POWER TRANSMISSION - An efficiency monitor for monitoring the efficiency of power transmission by an inductive power outlet. The efficiency monitor includes an input power monitor, for measuring the input power delivered to the primary coil, and an output power monitor, for measuring the output power received by the secondary coil. The input and output powers are used by a processor to determine an index of power-loss. A circuit breaker may be used to disconnect the inductive power outlet in case of excessive power loss. | 04-10-2014 |
20140125146 | TRANSMISSION-GUARD SYSTEM AND METHOD FOR AN INDUCTIVE POWER SUPPLY - A transmission-guard is disclosed for preventing an inductive power outlet from transmitting power in the absence of an inductive power receiver. A transmission lock is associated with an inductive power outlet and a transmission key is associated with an inductive power receiver. The transmission lock is configured to prevent a primary inductor from connecting to the power supply unless triggered by a release signal via the transmission key | 05-08-2014 |
20140125147 | TRANSMISSION-GUARD SYSTEM AND METHOD FOR AN INDUCTIVE POWER SUPPLY - A transmission-guard is disclosed for preventing an inductive power outlet from transmitting power in the absence of an inductive power receiver. A transmission lock is associated with an inductive power outlet and a transmission key is associated with an inductive power receiver. The transmission lock is configured to prevent a primary inductor from connecting to the power supply unless triggered by a release signal via the transmission key | 05-08-2014 |
20140239732 | INDUCTIVE POWER TRANSMISSION SYSTEM AND METHOD FOR CONCURRENTLY TRANSMITTING DIGITAL MESSAGES - An inductive power receiver including a resonant circuit, a rectifier, a rectified current sense, and a communication and control unit includes a communications modulator and at least one signal generator operable to generate a set of communication signals including a series of pulses generated at characteristic frequencies. Communication signals provide instructions for an inductive power outlet to regulate power transfer to the inductive power receiver. | 08-28-2014 |
20140252871 | SYSTEM AND METHOD FOR PROVIDING SIMPLE FEEDBACK SIGNALS INDICATING IF MORE OR LESS POWER IS REQUIRED DURING INDUCTIVE POWER TRANSMISSION - An inductive power outlet for providing power to an electric load via an inductive power receiver includes at least one primary inductive coil wired to a power supply via a driver configured to provide a driving voltage across the primary inductive coil such that a secondary voltage is induced in a secondary inductive coil associated with the inductive power receiver. The driver may include a controller configured to receive feedback control signals from the inductive power receiver indicating if more or less power is required. The controller may be further configured to adjust the driving voltage according to the control signals. | 09-11-2014 |
20140252872 | SYSTEM AND METHOD FOR ENABLING ONGOING INDUCTIVE POWER TRANSMISSION - An inductive power transfer system and method for transferring power to an electrical device wirelessly. The system includes an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation. | 09-11-2014 |
20140285008 | ADJUSTABLE INDUCTIVE POWER TRANSMISSION PLATFORM - A hybrid power load balancing system configured to manage the amount of power transfer via a plurality of inductive coils is provided. The system comprises one or more power supplies, a plurality of inductive outlets associated with and configured to be supplied power by each of the power supplies for providing power to loads connected thereto, and a load balancer associated with each of the outlets. A power supply and its associated outlets and load balancers constitute a cluster. The load balancers are configured to grant power classes to the outlets to supply at least a minimum required power class to each of the attached loads. | 09-25-2014 |
20140292097 | SYSTEM AND METHOD FOR REGULATING INDUCTIVE POWER TRANSMISSION - An inductive power transfer system is provided that includes at least one inductive power receiver having at least one secondary inductor for forming an inductive couple with a primary inductor and providing power to an electric load and at least one inductive power outlet having at least one primary inductor wired to a power supply via a driver configured to provide a driving voltage across the primary inductor. The driving voltage is oscillating at a transmission frequency significantly different from the natural frequency of the inductive couple. The system further includes at least one power monitor and at least one frequency modulator operable to adjust the natural frequency of the inductive couple thereby regulating power provided to the electric load. | 10-02-2014 |
20140292098 | SYSTEM AND METHOD FOR CODED COMMUNICATION SIGNALS REGULATING INDUCTIVE POWER TRANSMISSION - An inductive power transfer system and method for transferring power to an electrical device wirelessly includes an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation. | 10-02-2014 |
20140300452 | SYSTEM AND METHOD FOR DETERMINING PROXIMITY - A system for locating a locator device includes a seeker device that sends a seeker signal which is received by the locator device and the locator device is operable to transmit a locator signal when a seeker signal is received. The locator device is used to provide an indication of the location of the locator device. | 10-09-2014 |
20140312688 | EFFICIENCY MONITOR FOR INDUCTIVE POWER TRANSMISSION - An inductive power receiver configured for receiving power transferred from an inductive power outlet having a primary coil includes a secondary coil configured to form an inductive couple with the primary coil thereby facilitating the power transfer. The inductive power receiver further includes a transmission circuit having a variable amplifier configured to vary the voltage of the power drawn by the secondary coil, and a modulator configured to control the variable amplifier. The inductive power receiver is configured to modulate a signal by the varying of the voltage. An inductive power outlet configured for transferring power to the inductive power receiver includes a primary coil and a receiving circuit configured to detect changes in voltage of the power transferred and to produce an output signal based on the changes. | 10-23-2014 |
20150035381 | INDUCTIVE POWER TRANSMISSION SYSTEM AND METHOD FOR CONCURRENTLY TRANSMITTING DIGITAL MESSAGES - A control circuit for an inductive power outlet configured to transfer power to an inductive power receiver includes a resonant circuit having a characteristic resonant peak and connected to a primary coil configured to inductively couple with a secondary coil of the inductive power receiver, a frequency driver operable to provide a driving voltage oscillating at an operating frequency higher than the characteristic resonant peak of the resonant circuit across the primary coil, a magnitude detector operable to monitor primary coil voltage, and a data demodulator operable to detect modulated peaks in primary coil voltage indicating that a communications modulator of the inductive power receiver has transitioned from a first state to a second state. The communications modulation determines a characteristic frequency of the peaks and extracts modulated data sent in communication signals from the inductive power receiver. | 02-05-2015 |
20150054355 | SYSTEM AND METHOD FOR TRIGGERING POWER TRANSFER ACROSS AN INDUCTIVE POWER COUPLING AND NON RESONANT TRANSMISSION - A triggerable power transmitter for power transmission from a primary coil to an inductively coupled secondary coil in a power receiver has a primary coil; a driver for electrically driving the primary coil; a front end receiving analog signal indicative of resonance properties of the primary coil and generating digital information in response to the analog signal; and a processor capable of: determining if said primary coil is coupled to a secondary coil based on the digital information, and triggering power from the primary coil to said secondary coil when said primary coil is inductively coupled to said secondary coil. The effective inductance of the primary coil increases reducing the resonance frequency when a secondary coil is inductively coupled to the primary coil. However, foreign material such as a metal sheet placed on the primary coil increases the effective resistance thus shortening the decay time of the resonance. | 02-26-2015 |
20150061581 | INDUCTIVELY CHARGEABLE BATTERIES - An inductive power transfer system for charging batteries may include an inductive power transmitter, an inductive power receiver and an electrochemical cell or battery. The inductive power receiver may include a secondary inductor incorporated in enabled batteries or battery packaging, which when inductively coupled to a primary inductor of an inductive transmitter is operable to supply a potential across the electrochemical cell or battery thereby enabling the cell or battery to be charged or maintained at a charged level. The inductive battery may be in the shape of an industry standard battery. | 03-05-2015 |