Patents Assigned to Powermat Ltd.
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Publication number: 20130049482Abstract: An inductive power receiver provides a regulated power output to an electric load. The receiver inductively couples with an inductive power transmitter to form an inductive transfer system. A receiver-side regulator is provided to regulate the output voltage of the inductive transfer system. The regulator has a resonance-altering component and a switching unit configured to selectively connect the resonance-altering component to the reception circuit such that the amplitude of the induced voltage is controlled.Type: ApplicationFiled: September 16, 2010Publication date: February 28, 2013Applicant: Powermat Ltd.Inventors: Arik Rofe, Amir Ben-Shalom, Oola Greenwald, Alfred Leibovitz
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Publication number: 20130043833Abstract: An inductively enabled power pack charging system and method includes an integrated circuit for controlling inductive transfer of power to the power pack and managing communication with an external power source. The system may further include an electrochemical cell for storing energy received from the external power supply and magnetic shielding material for guiding magnetic flux away from the electrochemical cell.Type: ApplicationFiled: February 16, 2012Publication date: February 21, 2013Applicant: POWERMAT LTD.Inventors: Arkady Katz, Amir Ben-Shalom, Arik Rofe
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Publication number: 20120193993Abstract: 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.Type: ApplicationFiled: August 9, 2011Publication date: August 2, 2012Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe, Alfred Leibovitz, Moti Ashery
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Publication number: 20120071091Abstract: 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.Type: ApplicationFiled: November 29, 2011Publication date: March 22, 2012Applicant: POWERMAT LTDInventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20120038619Abstract: A system and method for controlling power distribution from a plurality of inductive power outlets to a plurality of inductive power receivers include inductive outlets and receivers that are provided with a signal transfer system for communicating unique identification labels. Applications are described relating to the control of modular visual displays and interchangeably situated electrical devices.Type: ApplicationFiled: September 9, 2011Publication date: February 16, 2012Applicant: POWERMAT LTD.Inventors: Rotem Shraga, Amir Ben-Shalom, Yoel Raab
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Patent number: 8090550Abstract: 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.Type: GrantFiled: September 21, 2009Date of Patent: January 3, 2012Assignee: Powermat, Ltd.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Patent number: 8049370Abstract: 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.Type: GrantFiled: March 25, 2010Date of Patent: November 1, 2011Assignee: Powermat Ltd.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Alfred Leibovitz, Arik Rofe
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Publication number: 20110217927Abstract: An inductive power receiver including a dual purpose inductor wired to an electric load, the dual purpose inductor is configured to inductively couple with a primary inductor wired to a power supply. The dual purpose inductor typically comprises a radio antenna such as a near field communication antenna. A method is described for charging electromagnetic cells via the inductive power receiver.Type: ApplicationFiled: March 22, 2011Publication date: September 8, 2011Applicant: POWERMAT LTD.Inventors: Amir Ben-Shalom, Noam Meyuhas
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Publication number: 20110157137Abstract: A display device comprising an array of encapsulated pixels. The encapsulating pixel includes an optical element which is altered from a first optical state to a second optical state upon when a potential difference is generated across it. The optical element is in contact with two electrodes which are connected to a pixel driver for generating the potential difference. The encapsulated pixel is hermetically sealed from the environment by a sealing layer and the driver receives power wirelessly via an inductive power transmission system.Type: ApplicationFiled: January 5, 2011Publication date: June 30, 2011Applicant: POWERMAT LTD.Inventor: Amir Ben-Shalom
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Publication number: 20110121660Abstract: 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.Type: ApplicationFiled: December 1, 2010Publication date: May 26, 2011Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe, Ariel Katz
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Publication number: 20110062793Abstract: 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.Type: ApplicationFiled: September 16, 2010Publication date: March 17, 2011Applicant: POWERMAT LTD.Inventors: YOSSI AZANCOT, AMIR BEN-SHALOM, OOLA GREENWALD, ARIK ROFE, ALFRED LEI-BOVITZ, DOV RHODES, NOAM MEYUHAS
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Patent number: 7906936Abstract: 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.Type: GrantFiled: April 9, 2010Date of Patent: March 15, 2011Assignee: Powermat Ltd.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20100259401Abstract: 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.Type: ApplicationFiled: April 9, 2010Publication date: October 14, 2010Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20100253282Abstract: 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.Type: ApplicationFiled: April 9, 2010Publication date: October 7, 2010Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20100257382Abstract: 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.Type: ApplicationFiled: April 9, 2010Publication date: October 7, 2010Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20100244584Abstract: 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.Type: ApplicationFiled: April 9, 2010Publication date: September 30, 2010Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Patent number: 7804054Abstract: 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.Type: GrantFiled: May 2, 2008Date of Patent: September 28, 2010Assignee: Powermat Ltd.Inventors: Amir Ben-Shalom, Oola Greenwald, Michael Morris, Arik Rofe
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Publication number: 20100219693Abstract: 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.Type: ApplicationFiled: December 1, 2009Publication date: September 2, 2010Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20100219697Abstract: 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.Type: ApplicationFiled: March 25, 2010Publication date: September 2, 2010Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Alfred Leibovitz, Arik Rofe
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Publication number: 20100219698Abstract: 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.Type: ApplicationFiled: March 25, 2010Publication date: September 2, 2010Applicant: POWERMAT LTD.Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Alfred Leibovitz, Arik Rofe