Patents Assigned to Powermat Technologies Ltd
  • Publication number: 20210167636
    Abstract: According to a first aspect of the present disclosed subject matter, a method for detecting foreign objects by a host transmitter inductively coupled with a repeater, the method comprising: obtaining a Q-factor from a receiver placed on the repeater; measuring a decay pattern of at least one joint resonance frequency (JRF); determining a Q-factor of the repeater based on the decay pattern; and determining foreign object presence based on the Q-factor of the repeater and a corrected Q-factor obtained from the receiver.
    Type: Application
    Filed: May 29, 2019
    Publication date: June 3, 2021
    Applicant: Powermat Technologies Ltd.
    Inventor: Itay SHERMAN
  • Publication number: 20200328617
    Abstract: According to a first aspect of the present disclosed subject matter, a dynamic calibration method in a system comprising a relay, having a coil, adapted to inductively transfer power for charging a device and a transmitter, having a coil and a controller configured to inductively transmit to the relay the power for charging the device, wherein the transmitter and the relay are separated by a medium, the method comprising: determining operating parameters selected from a group consisting of minimal and maximal operating frequency; direction of power increase relative to operating frequency; minimal and maximal duty cycle; minimal and maximal operating amplitude; and any combination thereof; wherein the operating parameters and a ping frequency are determined based on dynamic measurements of the transmitter operation and calculations executed by the controller during the calibration.
    Type: Application
    Filed: March 7, 2018
    Publication date: October 15, 2020
    Applicant: PowerMat Technologies Ltd.
    Inventors: Itay SHERMAN, Ilya GLUZMAN, Elieser MACH, Amir SALHUV, Sharon BEN-ITZHAK, Aya KANTOR
  • Publication number: 20200321806
    Abstract: According to a first aspect of the present disclosed subject matter, a system for wirelessly charging a device, having a built-in coil, via a medium comprising: at least one relay adapted to inductively transfer power for charging the device; and a transmitter configured to inductively transmit to the at least one relay the power for charging the device, wherein the transmitter and the relay are separated by the medium and wherein the relay and the transmitter substantially face each other; wherein the transmitter further comprises a transmitter coil and a transmitter capacitor constituting a transmitter resonance circuit, wherein the relay further comprises a relay coil and a relay capacitor constituting a relay resonance circuit, and wherein a joint resonance frequencies (JRF) of both resonance circuits have a main resonance frequency (MRF); and wherein the transmitter operates at an operational frequency (OPF) selected from a range of OPFs, wherein the range of OPFs is substantially different than the MRF.
    Type: Application
    Filed: March 7, 2018
    Publication date: October 8, 2020
    Applicant: Powermat Technologies Ltd.
    Inventors: Itay SHERMAN, Ilya GLUZMAN, Elieser MACH, Amir SALHUV
  • Patent number: 10770927
    Abstract: A system and method for inductively providing electrical power at a plurality of power levels to electrical devices. The system may include an inductive power outlet unit conductively coupled to a power supply and an inductive power receiver unit associated with the electrical device. The inductive power outlet unit includes a driver device operable to generate power at a plurality of power levels and electrical power is transferred to the electrical device at a power level selected from the plurality of power levels, in accordance with electrical power requirements of the electrical device. The power receiver may be operable in a plurality of modes having a secondary inductor configured to operate selectively with a plurality of inductance values.
    Type: Grant
    Filed: July 4, 2013
    Date of Patent: September 8, 2020
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Arik Rofe, Elieser Mach, Oola Greenwald, Guy Raveh, Moti Ashery, Ilya Gluzman, Moti Kdoshim
  • Patent number: 10680469
    Abstract: An inductive power outlet for wirelessly powering a power receiver is presented that comprises a voltage peak detector that is configured to detect voltage changes that are indicative of increase in a system resonant frequency. The inductive power outlet is configured to respond to detected voltage changes by shutting down or issuing a warning, and the voltage peak detector is further used to detect communication signals initiated by the power receiver to the power outlet.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: June 9, 2020
    Assignee: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Yossi Azancot, Arik Rofe, Oola Greenwald, Amir Ben-Shalom, Moti Asheri, Alfred Leibovitz
  • Patent number: 10673249
    Abstract: A method of detecting a foreign object presence between a wireless power transmitter and a wireless power receiver, the wireless power transmitter comprising a primary coil for transferring power wirelessly to a secondary coil of the wireless power receiver, comprises: transmitting a calibration ping signal; measuring and recording decay time of the calibration ping signal; transmitting test ping signal; measuring and recording decay time of the test ping signal; and determining the foreign object presence if the decay time of the test ping signal is smaller than decay time of the calibration ping signal and if an absolute value of a difference between them is above a threshold.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: June 2, 2020
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Ilya Gluzman, Oola Greenwald, Elieser Mach, Oz Moshkovich, Guy Raveh
  • Patent number: 10523054
    Abstract: 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 probing coil receives analog signals indicative of resonance properties of the primary coil; analog filters may be used to filter frequencies, and a processor capable of generating digital information in response to the analog signal and 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. A resistor may be selectably connected in series with the primary coil and shorted out when power is transmitted.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: December 31, 2019
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Amir Ben-Shalom, Oola Greenwald, Arik Rofe, Asheri Moti, Elieser Mach, Oz Moshkovich, Guy Raveh
  • Patent number: 10491042
    Abstract: A system for wireless power transmission to an electronic receiver placed in the vicinity of the system comprises a power transmitter and at least one power repeater coupled to the power transmitter. The power repeater is configured to repeat power between the power transmitter and the receiver, wherein the power repeater is tunable to a predetermined frequency, and wherein the power repeater is configured to allow operation at a frequency substantially equal to the frequency of the power transmitter.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: November 26, 2019
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Ilya Gluzman, Elieser Mach
  • Patent number: 10361566
    Abstract: A wireless power transmitter is provided for power transmission to a wireless power receiver. The transmitter comprises a primary coil to transfer power to a secondary coil of the wireless power receiver, a power supply, a driver to provide an electric potential from the power supply to the primary coil, a monitoring system to measure electrical flow parameters of the primary coil, and to filter the measured electrical flow parameters thereby producing a response signal, and a controller to direct operation of the wireless power transmitter. The controller is configured to perform error checking by directing the driver to provide the electric potential as a superposition of a transmission signal and a sensing signal, the filter characteristics comprising electrical flow parameters of the and sensing signal, and detecting, based a difference between the response and sensing signals, an error condition indicative of a foreign object.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: July 23, 2019
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Ilya Gluzman, Oola Greenwald, Elieser Mach, Oz Moshkovich, Guy Raveh
  • Patent number: 10250073
    Abstract: The disclosure relates to systems and methods for managing a wireless powering system for power transfer to electrical devices, providing central management console through a communication network. The wireless powering system comprising at least one wireless power outlet with an integrated communication module and at least one management server and is further operable is further operable to provide location based services when coupled with a software application. The management system, of the current disclosure, is enabling remote health check and maintenance of all of wireless power outlets within the network. Further, the management system allows for complete monitoring of a deployment according to system administrator rights and policy management coupled with command and control functioning to determine allowed/disallowed functionality while transferring powering to an electrical device in a specific venue.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: April 2, 2019
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Rachel Ben Hanoch, Ian Podkamien, Amit Kiesel, Amir Salhuv, Yuval Koren, Guy Raveh, Ami Oz, Oola Greenwald, Ilya Gluzman, Elieser Mach
  • Patent number: 10218229
    Abstract: The disclosure relates to systems and methods for managing a wireless power transfer network for power transfer to electrical devices, providing central management console in communication with cloud based network, comprising at least one wireless power outlet and at least one management server. The management system, of the current disclosure, is enabling remote health check and maintenance of all of wireless power outlets within the network. Further, the management system allows for complete monitoring of a deployment according to system administrator rights and policy management coupled with command and control functioning to determine allowed/disallowed functionality while transferring powering to an electrical device in a specific venue.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: February 26, 2019
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Eduardo Alperin, Yuval Koren, Ami Oz, Nadav Reuveni, Rachel Ben Hanoch, Ian Podkamien, Itay Sherman
  • Patent number: 10205346
    Abstract: A wireless power receiver, configured to receive power from a wireless power outlet and to communicate with a host for providing electrical power thereto, is provided comprising a secondary inductive coil configured to receive power from a primary coil of the wireless power outlet, and a host control interface configured to facilitate communication between the wireless power receiver and the host. The host control interface comprises contacts, one or more information-carrying contacts configured to conduct at least one of a clock and a data signal between the wireless power receiver and the host, supply input and power supply ground contacts configured to cooperate to provide current between the wireless power receiver and the host, an interrupt-signal contact configured to carry an INTERRUPT signal from the wireless power receiver and the host, and an enable-signal contact configured to carry an ENABLE signal from the host to the wireless power receiver.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: February 12, 2019
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Elieser Mach, Oz Moshkovich, Itay Sherman
  • Patent number: 10193388
    Abstract: There is provided a method comprising transmitting inductively a first signal, receiving inductively a second signal in response to the first signal, determining whether the inductively received signal comprises a modulation, and adjusting a power of the transmitted signal on the basis of a modulation of the received signal.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: January 29, 2019
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Sami Anttila, Ville Byman
  • Patent number: 10141094
    Abstract: A mounting arrangement for securing a wireless power outlet to an underside of a surface includes an electronics housing configured to contain therewithin components of the outlet and a coil housing. The coil housing is configured to contain a primary inductive coil of the outlet. The mounting arrangement further includes a heat sink configured to expel thermal energy from the primary inductive coil and a flexible thermal conductor.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: November 27, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Charli Ozana, Yaniv Dayan, Guy Glick
  • Patent number: 10110075
    Abstract: Aspects of the present invention relates to providing devices, a system and method for controlling wireless power transfer across an inductive power coupling. The system, particularly, relates to enabling selection of a wireless power outlet of a multi-outlet power transmission surface closest to the location of a power receiver connected to an electric load and placed upon the surface. Accordingly, the multi-outlet power transmission surface comprising two sub-systems, a power transmission system and a signal transfer system, each operable independently and continuously. Further, the signal transfer system controls the activation of wireless power, configured to analyze the signal-quality of each detected communication signal received from a power receiver and thereby to identify the wireless power outlet closest to the location of the power receiver.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: October 23, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Ian Podkamien, Amir Salhuv
  • Patent number: 10068701
    Abstract: 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.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: September 4, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Arik Rofe, Oola Greenwald, Alfred Leibovitz, Ami Oz
  • Patent number: 10063111
    Abstract: The disclosure relates to systems and methods for managing wireless power transfer network for communication devices, providing central management in communication with a cloud based network for enabling remote activation. The system comprising at least one wireless power outlet and at least one management server. The management system, of the current disclosure, is enabling possible remote activation and associate between a communication device and a wireless power receiver, thus, allowing power transfer between the remote health check and maintenance of all of wireless power outlets from an outlet to a communication device via an associated wireless power receiver as well as providing communication based upon its UDID associated with the relevant RXID.
    Type: Grant
    Filed: January 1, 2015
    Date of Patent: August 28, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Eduardo Alperin, Aya Kantor, Ian Podkamien
  • Patent number: 10033231
    Abstract: A retrofittable wireless power receiver is disclosed for providing inductive power reception functionality to at least one host device. The retrofittable wireless power receiver comprises a support platform, a secondary inductor operable to couple inductively with a primary inductor associated with a wireless power transmitter; a power reception circuit operable to control inductive power transfer from the primary inductor to the host device, a synchrorectifier, and a near field communication antenna. The retrofittable wireless power receiver further comprises an array of electrical contacts that comprises a VOUT and GND pair of terminals wired to the sychrorectifier, a DISABLE terminal wired to the power reception circuit and configured to disable power transfer, and a pair of data contacts wired to the near field communication antenna.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: July 24, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Yoel Raab, Moshe Raines, Charle Hamisha, Itai Sherman, Rotem Shraga, Arye Nudelman, Ilan Braha, Charlie Ozana
  • Patent number: 10020680
    Abstract: An inductive power transmitter for inductive power transmission to an inductive power receiver is provided, comprising a primary coil, capable of being inductively coupled to a secondary coil in the inductive power receiver, a power supply and an associate driver configured to provide a varying electrical potential from the power supply to the primary coil, a monitoring system configured to measure electrical flow parameters of the primary coil, and a controller configured to detect, based on the electrical flow parameters measured by the monitoring system, an error condition indicative of a foreign object introduced between the primary coil and the secondary coil, and to facilitate, when the error condition is detected, interrupting the electrical potential to the primary coil.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: July 10, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Guy Raveh, Arik Rofe, Oola Greenwald, Amir Ben Shalom, Elieser Mach, Ilya Gluzman, Oz Mushkovich
  • Patent number: 9960642
    Abstract: A system and method is disclosed for integrating inductive power outlet functionality to provide power transfer to electrical devices, as an in-surface wireless charging system, embedded into a host such as a furniture item. An inductive power outlet may include a body casing for containing a primary inductor a driving unit and a fastening mechanism. The body casing may have dimensions suitable for introduction into a passageway through a plate of the item of furniture. The fastening mechanism may be utilized to secure the body casing to the plate of the item of furniture.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: May 1, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Charlie Ozana, Rachel Ben Hanoch, Einav Sadan Duschack, Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe, Alfred Lei-Bovitz, Dov Rhodes, Noam Meyuhas