Patents by Inventor Chunli XU

Chunli XU 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: 11476726
    Abstract: A wireless charging device includes: a power supply circuit configured to provide an alternating current signal; a transmitting coil configured to convert the alternating current signal into electromagnetic waves to radiate to the receiving end; the wireless charging device further includes: a plurality of detecting coils configured to radiate energy to a receiving coil of the receiving end and generate an inductive signal; a movable coil carrier, the transmitting coil and the plurality of detecting coils are disposed on the movable coil carrier; a driving mechanism connected to the movable coil carrier and configured to drive the movable coil carrier to move; the controller configured to acquire inductive signals of the plurality of detecting coils, and control the position of the movable coil carrier by controlling the driving mechanism.
    Type: Grant
    Filed: November 30, 2019
    Date of Patent: October 18, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yanteng Wang, Hui Li, Chunli Xu
  • Patent number: 11437871
    Abstract: A wireless charging device includes: a power supply circuit configured to provide an alternating current signal; a transmitting coil configured to convert the alternating current signal into electromagnetic waves to radiate to the receiving end; the wireless charging device further includes: a plurality of detecting coils configured to radiate energy to a receiving coil of the receiving end and generate an inductive signal; a movable coil carrier, the transmitting coil and the plurality of detecting coils are disposed on the movable coil carrier; a driving mechanism connected to the movable coil carrier and configured to drive the movable coil carrier to move; the controller configured to acquire inductive signals of the plurality of detecting coils, and control the position of the movable coil carrier by controlling the driving mechanism.
    Type: Grant
    Filed: November 30, 2019
    Date of Patent: September 6, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yanteng Wang, Hui Li, Chunli Xu
  • Patent number: 11342779
    Abstract: A control method for a wireless charging apparatus includes: receiving a power adjustment value transmitted by a terminal; and adjusting at least one of an output voltage or an output frequency of a wireless Alternating Current (AC) power signal according to the power adjustment value to adjust an output power of the wireless AC power signal.
    Type: Grant
    Filed: September 28, 2019
    Date of Patent: May 24, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yanteng Wang, Zhijie Li, Chunli Xu
  • Patent number: 11201510
    Abstract: A method and a device for controlling wireless charging are provided. The method includes: acquiring charging quality of a wireless charging receiver at a current position relative to a wireless charging transmitter; acquiring charging qualities of the wireless charging receiver respectively at the first and second preset positions; determining relative position information of the wireless charging receiver relative to the wireless charging transmitter, based on the charging qualities at the current position, and at the first and second preset positions; acquiring position correction information of the wireless charging receiver corresponding to the relative position information; and upon correction of a position of the wireless charging receiver based on the position correction information, charging the wireless charging receiver at the corrected position.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: December 14, 2021
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Yanteng Wang, Zhijie Li, Chunli Xu
  • Publication number: 20210057941
    Abstract: A wireless charging device includes: a power supply circuit configured to provide an alternating current signal; a transmitting coil configured to convert the alternating current signal into electromagnetic waves to radiate to the receiving end; the wireless charging device further includes: a plurality of detecting coils configured to radiate energy to a receiving coil of the receiving end and generate an inductive signal; a movable coil carrier, the transmitting coil and the plurality of detecting coils are disposed on the movable coil carrier; a driving mechanism connected to the movable coil carrier and configured to drive the movable coil carrier to move; the controller configured to acquire inductive signals of the plurality of detecting coils, and control the position of the movable coil carrier by controlling the driving mechanism.
    Type: Application
    Filed: November 30, 2019
    Publication date: February 25, 2021
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yanteng WANG, Hui LI, Chunli XU
  • Publication number: 20200177013
    Abstract: A control method for a wireless charging apparatus includes: receiving a power adjustment value transmitted by a terminal; and adjusting at least one of an output voltage or an output frequency of a wireless Alternating Current (AC) power signal according to the power adjustment value to adjust an output power of the wireless AC power signal.
    Type: Application
    Filed: September 28, 2019
    Publication date: June 4, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yanteng WANG, Zhijie LI, Chunli XU
  • Publication number: 20190319496
    Abstract: A method and a device for controlling wireless charging are provided. The method includes: acquiring charging quality of a wireless charging receiver at a current position relative to a wireless charging transmitter; acquiring charging qualities of the wireless charging receiver respectively at the first and second preset positions; determining relative position information of the wireless charging receiver relative to the wireless charging transmitter, based on the charging qualities at the current position, and at the first and second preset positions; acquiring position correction information of the wireless charging receiver corresponding to the relative position information; and upon correction of a position of the wireless charging receiver based on the position correction information, charging the wireless charging receiver at the corrected position.
    Type: Application
    Filed: April 15, 2019
    Publication date: October 17, 2019
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Yanteng WANG, Zhijie LI, Chunli XU
  • Publication number: 20160344444
    Abstract: A circuit protection structure and a device including the same are provided. The circuit protection structure includes: a printed circuit board (PCB) motherboard, a middle frame connected to the PCB motherboard, and a conductive adhesive layer. The PCB motherboard is disposed in a portable electronic device. The PCB motherboard has a circuit unit mounted thereon and a grounded wireframe surrounding a periphery of the circuit unit where the circuit unit contacts the PCB motherboard. The middle frame includes a conductive housing at least partially covering the PCB motherboard the conductive housing having a cavity to enclose the circuit unit. The conductive adhesive layer is disposed between the grounded wireframe and the conductive housing for electrical connection between the grounded wireframe and the conductive housing.
    Type: Application
    Filed: January 11, 2016
    Publication date: November 24, 2016
    Applicant: Xiaomi Inc.
    Inventors: Dawei YANG, Hui LI, Dan ZHU, Chunli XU