Patents by Inventor Oola Greenwald

Oola Greenwald has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11114895
    Abstract: A pinless power coupling arrangement comprises 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. The power plug comprises a secondary coil wherein said insulating layer is substantially flat and the power plug and the 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.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 7, 2021
    Assignee: POWERMAT TECHNOLOGIES, LTD.
    Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
  • Publication number: 20200373791
    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: Application
    Filed: August 10, 2020
    Publication date: November 26, 2020
    Inventors: ARIK ROFE, ELIESER MACH, OOLA GREENWALD, GUY RAVEH, MOTI ASHERY, ILYA GLUZMAN, MOTI KDOSHIM
  • Publication number: 20200303970
    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: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Inventors: Yossi Azancot, Arik Rofe, Oola Greenwald, Amir Ben-Shalom, Moti Asheri, Alfred Leibovitz
  • Publication number: 20200295602
    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: Application
    Filed: June 2, 2020
    Publication date: September 17, 2020
    Inventors: ILYA GLUZMAN, OOLA GREENWALD, ELIESER MACH, OZ MOSHKOVICH, GUY RAVEH
  • 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: 10742076
    Abstract: A locator for locating power outlets and power receivers. A sensor is provided in a power receiver for detecting a detection signal emitted by a remote power outlet. A processor uses the detected signal to compute location coordinates of the power outlet.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: August 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yossi Azancot, Oola Greenwald, Amir Ben-Shalom, Arik Rofe
  • Publication number: 20200227944
    Abstract: A pinless power coupling arrangement comprises 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. The power plug comprises a secondary coil wherein said insulating layer is substantially flat and the power plug and the 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.
    Type: Application
    Filed: March 24, 2020
    Publication date: July 16, 2020
    Inventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
  • 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
  • Publication number: 20190296559
    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: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Inventors: ILYA GLUZMAN, OOLA GREENWALD, ELIESER MACH, OZ MOSHKOVICH, GUY RAVEH
  • 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
  • Publication number: 20180342908
    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: Application
    Filed: August 2, 2018
    Publication date: November 29, 2018
    Inventors: Yossi Azancot, Arik Rofe, Oola Greenwald, Amir Ben-Shalom, Moti Ashery, Alfred Leibovitz
  • 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: 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
  • Patent number: 9960640
    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: Grant
    Filed: June 2, 2014
    Date of Patent: May 1, 2018
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Elieser Mach, Arik Rofe, Oola Greenwald, Guy Raveh
  • Patent number: 9843202
    Abstract: An inductive power transfer system and methods for controlling efficient operational wireless power transfer to an electrical device. The system includes an inductive power outlet, an inductive power receiver and a signal transfer system communicating power transfer instruction from receiver to outlet, while transferring power from the outlet to the receiver. The present invention relates to wireless power transfer systems and methods incorporating a current limiter activation mechanism to allow power transfer at an extended operational range, providing a technical solution when an inductive power outlet and an inductive power receiver are laterally misaligned.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: December 12, 2017
    Assignee: POWERMAT TECHNOLOGIES LTD.
    Inventors: Moti Kdoshim, Moti Ashery, Elieser Mach, Oola Greenwald, Itamar Cohen-Ogen
  • Publication number: 20170294808
    Abstract: An inductive power outlet operable to transfer power to an inductive power receiver includes a driver wired to a primary inductive coil and operable to provide a driving voltage across the primary inductive coil. The primary inductive coil is configured to form an inductive couple having a characteristic resonant frequency with at least one secondary inductive coil wired to an electric load, the secondary inductive coil being associated with the inductive power receiver. The driving voltage oscillates at a transmission frequency substantially different from the characteristic resonant frequency of the inductive couple.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Inventors: YOSSI AZANCOT, AMIR BEN-SHALOM, OOLA GREENWALD, ARIK ROFE, ALFRED LEIBOVITZ, MOTI ASHERY