Patents Examined by Daniel Kessie
  • Patent number: 11545854
    Abstract: A method including controlling a wireless energy transfer apparatus to synchronize energy transfer with at least one further wireless energy transfer apparatus to wirelessly transfer energy to at least one load in combination with the at least one further wireless energy transfer apparatus.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: January 3, 2023
    Assignee: Nokia Technologies Oy
    Inventors: Juha Nurmi, Matti Naskali, Heikki Paananen
  • Patent number: 11539400
    Abstract: A power supply apparatus includes a power supply unit configured to wirelessly supply power to an electronic apparatus, a communication unit configured to transmit, to the electronic apparatus, information indicating whether to perform a foreign object detection process for detecting a foreign object, and a control unit configured to cause the communication unit to transmit the information to the electronic apparatus before outputting of predetermined power to the electronic apparatus.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: December 27, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobuyuki Tsukamoto
  • Patent number: 11527911
    Abstract: A battery backup system comprises an input terminal configured to receive a source voltage from a power source, and an output terminal electrically coupled to the input terminal and a battery and configured to selectively communicate the source voltage to a load when the source voltage is available and to communicate a battery voltage to the load when the source voltage is unavailable. The battery backup system further comprises a power supply configured to convert the source voltage to a charging voltage and control circuitry electrically coupled to the power supply and the battery and configured to communicate the charging voltage to the battery to facilitate charging the battery when the source voltage is available. The control circuitry is configured to measure one or more parameters of the battery to evaluate battery health.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: December 13, 2022
    Assignee: Appleton Grp LLC
    Inventors: Leon Jr. Dela Cruz Placido, Tristan Toston Estepa, Raymart Gabutan Aurora, Caferino III Gonzales Villadolid
  • Patent number: 11527902
    Abstract: An electronic device includes a control unit that allows at least a first external power source to be connected thereto and is activated upon receipt of a predetermined power, and a power source connected to the control unit. In an activated state, the control unit performs enumeration processing between the control unit and the first external power source. The power source has charging unit capable of being charged by a charge current supplied from the first external power source, and output unit that outputs the predetermined power from the charging unit to the control unit in response to a connection between the control unit and the first external power source. The charging unit sets the charge current to a current value according to whether the enumeration processing is completed.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: December 13, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Tatsuro Watanabe
  • Patent number: 11527964
    Abstract: A distributed energy conversion system may include one or more DC power sources and two or more inverters to convert DC power from the power sources to AC power. The AC power from the two or more inverters may be combined to provide a single AC output. A module may include one or more photovoltaic cells and two or more inverters. An integrated circuit may include power electronics to convert DC input power to AC output power and processing circuitry to control the power electronics. The AC output power may be synchronized with an AC power distribution system.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: December 13, 2022
    Assignee: Enphase Energy, Inc.
    Inventors: Ravindranath Naiknaware, Triet Tu Le, Terri Fiez, Kartikeya Mayaram
  • Patent number: 11515729
    Abstract: A wireless power relay apparatus includes: a first antenna configured to wirelessly receive an alternating current (AC) power signal of a first frequency from a wireless power transmission apparatus; a rectifier configured to convert the received AC power signal into a direct current (DC) power; a storage device configured to store electric energy of the DC power output from the rectifier; a power oscillator configured to generate an AC power signal of a second frequency based on an output current of the rectifier and electric energy of a DC voltage stored in the storage device; and a second antenna configured to transmit the AC power signal of the second frequency to a wireless power reception apparatus.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hankyu Lee, Sang Joon Kim
  • Patent number: 11515739
    Abstract: In an embodiment, a method includes: wirelessly transmitting power using a transmitter LC tank to a wireless power receiver having a receiver LC tank; receiving a first received power packet from the wireless power receiver, the first received power packet including a received power value field indicative of a power level; determining a first power difference between transmitted power and received power based on the first received power packet; calculating a first received power compensation factor based on the first power difference; interrupting wirelessly transmitting power for a first slot period after receiving the first received power packet; performing a first measurement of a first signal associated with the transmitter LC tank during the first slot period; determining a first Q factor value based on the first measurement; comparing the first Q factor value with a reference Q factor value; and detecting a metallic object based on the comparison.
    Type: Grant
    Filed: February 14, 2021
    Date of Patent: November 29, 2022
    Assignee: SPARK CONNECTED LLC
    Inventors: Petru Emanuel Stingu, Ruwanga Dassanayake, Yulong Hou, Kenneth Moore
  • Patent number: 11515735
    Abstract: A wireless power transmitting device transmits wireless power signals to a wireless power receiving device. The wireless power receiving device has a wireless power receiving coil in a resonant circuit that resonates at a wireless power receiving circuit resonant frequency. The wireless power transmitting device has coils. The coils are supplied with a drive signal in bursts to detect external objects. Measurement circuitry includes an oscillator for supplying the drive signals and a peak detector and analog-to-digital converter for gathering measurements on the coils to which the drive signals have been supplied. Rate-based-filtering is applied to output signals from the analog-to-digital converter to distinguish between temperature drift effects and object placement effects. The frequency of the drive signals is slightly greater than the wireless power receiving circuit resonant frequency.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: November 29, 2022
    Assignee: Apple Inc.
    Inventors: Jerald Polestico Guillermo, Previn D. Nair, Mikhal S. De Jesus, Antoin J. Russell
  • Patent number: 11509152
    Abstract: A base station comprising: a wireless power receiver module to wirelessly receive energy from a portable device; a wireless transceiver module adapted to establish a wireless data communication with the portable device so as to wirelessly receive/transmit data; a wired interface for wired connection to an accessory device; a power distribution module coupled to the wireless power receiver module and adapted to supply the energy received from the portable device both to the accessory device, via the wired interface, and to the wireless transceiver module; a communication module coupled to the wireless transceiver module and to the wired interface, adapted to adapt data wirelessly received from the portable device, via the wireless transceiver module, into data suitable to be transmitted in a wired way to the accessory device, via the wired interface, and vice versa, to adapt data received in a wired way from the accessory device, via the wired interface, into data suitable to be transmitted wirelessly to the p
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: November 22, 2022
    Assignee: Datalogic IP Tech, S.r.l.
    Inventors: Simone Minardi, Marco Pifferi, Alessandro Giovannini
  • Patent number: 11502541
    Abstract: A method of generating a customized secondary power distribution assembly (SPDA) includes generating one or more customizable SPDAs. Each of the one or more customizable SPDAs is a construct corresponding with a microprocessor configured to control a set of customizable channels in each of a set of virtual line replaceable modules (vLRMs). The method also includes creating a mapping between one of the one or more customizable SPDAs and the customized SPDA, the mapping indicating line replaceable modules (LRMs) of the customized SPDA and defining each channel of each LRM, and deploying the customized SPDA in an application. The microprocessor is initiated to control the customized SPDA according to the mapping at startup.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: November 15, 2022
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Gabriel Radulescu, Terrence R. Leibham
  • Patent number: 11495978
    Abstract: In some examples, a system includes a primary side with a charger and a first battery and a secondary side with a second battery. The charger on the primary side can charge both the first battery and the second battery. A hinge resistance is between the primary side and the secondary side. The primary side includes a feedback controlled active device in a current path of the first battery that compensates for the hinge resistance, for connector resistances, or for battery impedances in a current path of the second battery.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: November 8, 2022
    Assignee: Intel Corporation
    Inventors: Anil Baby, Anoop Parchuru, Shobhit Chahar, Govindaraj G., Vinaya Kumar Chandrasekhara
  • Patent number: 11496000
    Abstract: Foreign object detection for a wireless power transmitter can be performed using a reference Q-factor and measured Q-factor. The reference and measured Q-factors are compared to determine where a foreign object is present. The comparison is adjusted based on one or more additional parameters.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: November 8, 2022
    Assignee: MEDIATEK Singapore Pte. Ltd.
    Inventor: Vladimir Alexander Muratov
  • Patent number: 11489522
    Abstract: A circuit arrangement comprises: a primary coil and a secondary coil, which are inductively coupled, but galvanically isolated from one another; a first voltage divider which is connected between a first terminal and a second terminal of the secondary coil and which has a center tap connected to a ground node; a second voltage divider, which is connected between the first terminal and the second terminal of the secondary coil; and an active circuit, which is connected to the first terminal and the second terminal of the secondary coil, a center tap of the second voltage divider and to the ground node. The active circuit is configured to provide a current path between the first terminal of the secondary coil and the ground node and between the second terminal of the secondary coil and the ground node depending on a voltage at the center tap of the second voltage divider.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: November 1, 2022
    Assignee: Infineon Technologies AG
    Inventor: Marcus Nuebling
  • Patent number: 11489370
    Abstract: Provided are a wireless power transceiver and an image display apparatus including the wireless power transceiver according to the present disclosure. The wireless power transceiver according to an embodiment of the present disclosure comprises a surface electromagnetic (EM) wave transmitter including a first metal layer, a second metal layer, and at least one of a dielectric material formed between the first metal layer and the second metal layer; a surface EM wave receiver including a third metal layer, a fourth metal layer, and at least one of a dielectric material formed between the third metal layer and the fourth metal layer; and a bridge metal plate disposed between the surface EM wave transmitter and the surface EM wave receiver, wherein one end of the signal output terminal is connected to a floating ground. Accordingly, wireless power may be transmitted using surface EM waves.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: November 1, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyeongsoo Lee, Sungwook Hwang
  • Patent number: 11482892
    Abstract: A vehicle includes one or more low load devices and a plurality of magnetic sensors operable between a misalignment detection mode for measuring a magnetic field of a power transmitting pad and obtaining magnetic field data, and a power receiving mode for wirelessly transmitting energy from the power transmitting pad to the one or more low load devices. The vehicle also includes one or more processors and one or more memory modules including a computer-readable medium storing computer-readable instructions that, when executed by the one or more processors, cause the one or more processors to receive the magnetic field data from the plurality of magnetic sensors, and estimate a lateral misalignment of the plurality of magnetic sensors with respect to a magnetic axis of the power transmitting pad.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: October 25, 2022
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Chungchih Chou, Yanghe Liu
  • Patent number: 11476044
    Abstract: An exemplary electrified vehicle assembly includes a cable connected to an electrified vehicle battery. The cable has a coiled portion providing an inductor.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: October 18, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Craig Brian Rogers, Lihua Chen
  • Patent number: 11476719
    Abstract: A wireless power transmitting device transmits wireless power signals to a wireless power receiving device. The wireless power receiving device has a wireless power receiving coil in a resonant circuit that resonates at a wireless power receiving circuit resonant frequency. The wireless power transmitting device has coils. The coils are supplied with a drive signal in bursts to detect external objects. Measurement circuitry includes an oscillator for supplying the drive signals and a peak detector and analog-to-digital converter for gathering measurements on the coils to which the drive signals have been supplied. Rate-based-filtering is applied to output signals from the analog-to-digital converter to distinguish between temperature drift effects and object placement effects. The frequency of the drive signals is slightly greater than the wireless power receiving circuit resonant frequency.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: October 18, 2022
    Assignee: Apple Inc.
    Inventors: Jerald Polestico Guillermo, Previn D. Nair, Mikhal S. De Jesus, Antoin J. Russell
  • Patent number: 11476674
    Abstract: A power distribution monitoring system is provided that can include a number of features. The system can include a plurality of monitoring devices configured to attach to individual conductors on a power grid distribution network. In some embodiments, a monitoring device is disposed on each conductor of a three-phase network and utilizes a split-core transformer to harvest energy from the conductors. The monitoring devices can be configured to harvest energy from the AC power grid. In some embodiments, the monitoring devices are configured to draw a ratiometric current to maintain an output resistance that equals an input resistance. Methods of installing and using the monitoring devices are also provided.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: October 18, 2022
    Assignee: SENTIENT TECHNOLOGY HOLDINGS, LLC
    Inventor: Ronald S. Rumrill
  • Patent number: 11469625
    Abstract: An electronic device for wirelessly transmitting power includes a first coil assembly; a second coil assembly; and a processor configured to control to generate a first magnetic field by applying first current to the first coil assembly; obtain a plurality of first sensing values of the first magnetic field sensed by a plurality of coils included in the second coil assembly; and identify whether a foreign material exists in a power transmission area of the electronic device based on the plurality of first sensing values.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kangho Byun, Seogyong Jeong, Jaehyun Park, Jihyun Yang
  • Patent number: 11469620
    Abstract: Electric power is distributed among wireless communication apparatuses while, at the same time, an electric power level required to operate a wireless communication function in the wireless communication apparatus is maintained. A wireless communication apparatus includes an electric power storage section, a wireless communication section, and a control section. The electric power storage section stores electric power. The wireless communication section engages in wireless communication with other wireless communication apparatuses by using the electric power stored in the electric power storage section. The control section controls passing of electric power stored in the electric power storage section by using the electric power level required to operate a wireless communication section as a threshold.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: October 11, 2022
    Assignee: SONY CORPORATION
    Inventor: Sawako Kiriyama