Patents by Inventor Haihong Wei

Haihong Wei 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: 11239708
    Abstract: Described herein is an apparatus having a wireless power receiver comprising a receiver coil used to receive power wirelessly and to communicate wirelessly. The wireless power receiver outputs power to a bus based on the wirelessly received power. The apparatus has an open-loop DC-DC converter and a linear regulator. The apparatus has a controller configured to enable the open-loop DC-DC converter to use the power on the bus to charge a battery. The controller is further configured to control the linear regulator to stabilize a current in the bus at the output of the wireless power receiver to reduce interference to the wireless communication when using the receiver coil to wirelessly communicate from the wireless power receiver to the transmitter of the power while the open-loop DC-DC converter is being used to charge the battery.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: February 1, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiaolin Mao, Baoshan Wu, Songnan Yang, Haihong Wei, Wei Zhou
  • Publication number: 20200076249
    Abstract: Described herein is an apparatus having a wireless power receiver comprising a receiver coil used to receive power wirelessly and to communicate wirelessly. The wireless power receiver outputs power to a bus based on the wirelessly received power. The apparatus has an open-loop DC-DC converter and a linear regulator. The apparatus has a controller configured to enable the open-loop DC-DC converter to use the power on the bus to charge a battery. The controller is further configured to control the linear regulator to stabilize a current in the bus at the output of the wireless power receiver to reduce interference to the wireless communication when using the receiver coil to wirelessly communicate from the wireless power receiver to the transmitter of the power while the open-loop DC-DC converter is being used to charge the battery.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 5, 2020
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Xiaolin Mao, Baoshan Wu, Songnan Yang, Haihong Wei, Wei Zhou
  • Patent number: 7672449
    Abstract: This invention presents a multimode xDSL line card adaptive activation method, comprising the following steps: A) A master controller is installed and configured with multiple templates based on the modes of operation supported by a line card, and forwards templates to said line card; B) The line card receives templates forwarded by the master controller and activates the line card communications chip; C) The communications chip communicates with the remote CPE and decides on a mode of operation according to a handshake protocol; D) The line card employs a corresponding template according to the mode of operation chosen in Step C, and practices circuit activation with the CPE. This invention solves the existing problems in current multimode xDSL technology of poor compatibility and inability to adapt effectively.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: March 2, 2010
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yong Liang, Haihong Wei, Binfeng Wang, Xinjun Zhang
  • Publication number: 20080037584
    Abstract: This invention presents a multimode xDSL line card adaptive activation method, comprising the following steps: A) A master controller is installed and configured with multiple templates based on the modes of operation supported by a line card, and forwards templates to said line card; B) The line card receives templates forwarded by the master controller and activates the line card communications chip; C) The communications chip communicates with the remote CPE and decides on a mode of operation according to a handshake protocol; D) The line card employs a corresponding template according to the mode of operation chosen in Step C, and practices circuit activation with the CPE. This invention solves the existing problems in current multimode xDSL technology of poor compatibility and inability to adapt effectively.
    Type: Application
    Filed: December 14, 2006
    Publication date: February 14, 2008
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yong Liang, Haihong Wei, Binfeng Wang, Xinjun Zhang