Patents Assigned to Powermat Technologies Ltd
  • Patent number: 9099894
    Abstract: 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.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: August 4, 2015
    Assignee: Powermat Technologies, Ltd.
    Inventors: Yossi Azancot, Arik Rofe, Oola Greenwald, Amir Ben-Shalom, Moti Ashery, Alfred Leibovitz
  • Patent number: 9088168
    Abstract: The disclosure relates to inductive charging systems comprising at least one power access point (PAP) comprising a primary inductor connectable to a power supply, a PAP credential characterizing said PAP and a charger link comprising at least one wireless communication component; at least one device comprising a secondary inductor, a device credential characterizing said device and a device link comprising at least one wireless communication component; and a power controller comprising a communicator comprising at least one wireless communication component and a server having a database. The disclosure further relates to methods of controlling the inductive charging performed by an inductive charging system.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: July 21, 2015
    Assignee: Powermat Technologies, Ltd.
    Inventors: Elieser Mach, Oz Moshkovich, Ian Podkamien, Yuval Koren
  • Patent number: 9083204
    Abstract: 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: Grant
    Filed: January 10, 2014
    Date of Patent: July 14, 2015
    Assignee: Powermat Technologies, Ltd.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe, Alfred Lei-Bovitz, Moti Ashery
  • Patent number: 9065489
    Abstract: 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.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: June 23, 2015
    Assignee: Powermat Technologies, Ltd.
    Inventors: Elieser Mach, Arik Rofe, Oola Greenwald, Guy Raveh, Oz Moshkovich, Ian Podkamien, Yuval Koren, Rinat Burdo
  • Patent number: 9048696
    Abstract: 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: Grant
    Filed: January 10, 2014
    Date of Patent: June 2, 2015
    Assignee: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe, Alfred Lei-Bovitz, Moti Ashery
  • Patent number: 9035501
    Abstract: 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.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: May 19, 2015
    Assignee: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Arik Rofe, Oola Greenwald, Alfred Leibovitz, Moti Ashery
  • Patent number: 9006937
    Abstract: 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: Grant
    Filed: May 21, 2014
    Date of Patent: April 14, 2015
    Assignee: Powermat Technologies Ltd.
    Inventors: Yossi Azancot, Arik Rofe, Oola Greenwald, Amir Ben-Shalom, Moti Ashery, Alfred Leibovitz
  • Patent number: 8981598
    Abstract: 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: Grant
    Filed: August 9, 2011
    Date of Patent: March 17, 2015
    Assignee: Powermat Technologies Ltd.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe, Alfred Leibovitz, Moti Ashery
  • Patent number: 8965720
    Abstract: 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: Grant
    Filed: December 6, 2013
    Date of Patent: February 24, 2015
    Assignee: Powermat Technologies, Ltd.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
  • Patent number: 8872386
    Abstract: 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.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: October 28, 2014
    Assignee: Powermat Technologies, Ltd.
    Inventors: Elieser Mach, Arik Rofe, Oola Greenwald, Guy Raveh, Oz Moshkovich, Ian Podkamien, Yuval Koren, Rinat Burdo
  • Publication number: 20140312686
    Abstract: A vehicle inductive power assembly and method for transferring electrical power inductively to an electrical device, in a motorized vehicle. The system includes an inductive power transfer system which is configured to provide the electrical power to the electrical device as well as a communications security system which is configured to establish a secure communications channel between the inductive power transfer system and the electrical device. Following activation of the inductive power transfer system, the communications security system initiates a handshaking procedure between the inductive power transfer system and the electrical device. If the handshaking procedure is successful the communications security system instructs the inductive power transfer system to commence providing the electrical power to the electrical device.
    Type: Application
    Filed: June 21, 2012
    Publication date: October 23, 2014
    Applicant: POWERMAT TECHNOLOGIES LTD.
    Inventors: Rotem Shraga, Arye Nudelman, Ilya Gluzman, Assaf Gad
  • Publication number: 20140300452
    Abstract: 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.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 9, 2014
    Applicant: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Arik ROFE, Oz MOSHKOVICH, Elieser MACH
  • Publication number: 20140292097
    Abstract: 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.
    Type: Application
    Filed: June 2, 2014
    Publication date: October 2, 2014
    Applicant: POWERMAT TECHNOLOGIES LTD.
    Inventors: Elieser MACH, Arik ROFE, Oola GREENWALD, Guy RAVEH
  • Publication number: 20140252871
    Abstract: 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.
    Type: Application
    Filed: May 20, 2014
    Publication date: September 11, 2014
    Applicant: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Yossi AZANCOT, Amir BEN-SHALOM, Arik ROFE, Oola GREENWALD, Alfred LEIBOVITZ, Moti ASHERY
  • Publication number: 20140252872
    Abstract: 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: Application
    Filed: May 21, 2014
    Publication date: September 11, 2014
    Applicant: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Yossi AZANCOT, Arik ROFE, Oola GREENWALD, Amir BEN-SHALOM, Moti ASHERY, Alfred LEIBOVITZ
  • Publication number: 20140239732
    Abstract: 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.
    Type: Application
    Filed: May 6, 2014
    Publication date: August 28, 2014
    Applicant: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Elieser MACH, Arik ROFE, Oola GREENWALD, Guy RAVEH, Oz MOSHKOVICH, Ian PODKAMIEN, Yuval KOREN, Rinat BURDO
  • Publication number: 20140239733
    Abstract: The disclosure relates to inductive charging systems comprising at least one power access point (PAP) comprising a primary inductor connectable to a power supply, a PAP credential characterizing said PAP and a charger link comprising at least one wireless communication component; at least one device comprising a secondary inductor, a device credential characterizing said device and a device link comprising at least one wireless communication component; and a power controller comprising a communicator comprising at least one wireless communication component and a server having a database. The disclosure further relates to methods of controlling the inductive charging performed by an inductive charging system.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicant: Powermat Technologies, Ltd.
    Inventors: Elieser MACH, Oz MOSHKOVICH, Ian PODKAMIEN, Yuval KOREN
  • Publication number: 20140210277
    Abstract: An inductive power transfer system comprising a primary inductor wired to a transmission controller and a power supply via a driver, and operable to inductively couple with a secondary inductor wired to an electric load via a reception circuit. The transmission controller instructs the driver to apply an oscillating driving voltage to said primary inductor in an intermittent pattern comprising an alternation of the driver being in an ON state and an OFF state, characterized by a transmission requirement profile. The level of power transmission during the ON state may be the power level at which the inductive power transfer system transfers power with high efficiency. The reception circuit may comprise a power storage element configured to store power received by said secondary inductor when said driving voltage is applied, and to provide power to said electric load.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: POWERMAT TECHNOLOGIES LTD.
    Inventor: Amir BEN-SHALOM
  • Publication number: 20140203661
    Abstract: A multi-mode power transfer providing system for an electrical device adapted to support dual-mode operable to receive power wirelessly using hermaphrodite power connector coupled with data exchange functionality. The multi-mode power transfer providing system may comprise a wired power connector; and a wireless power receiver unit comprising a wireless power receiving element; and a selection control switch, wherein the selection control switch is configured to switch between a wired power transfer mode wherein the wired power connector is electrically connected to the electrical device, and a wireless power transfer mode wherein the wireless power receiver is electrically connected to the electrical device.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 24, 2014
    Applicant: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Yaniv DAYAN, Amir HASSON, Moti KDOSHIM
  • Patent number: 8766488
    Abstract: 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: Grant
    Filed: May 3, 2013
    Date of Patent: July 1, 2014
    Assignee: Powermat Technologies, Ltd.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Alfred Leibovitz, Arik Rofe