Patents by Inventor Liru Dai

Liru Dai 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).

  • Method and apparatus for improving power output efficiency of line driver
    Patent number: 8600041
    Abstract: A method and an apparatus for improving power output efficiency of a line driver are disclosed. The method includes: obtaining a current working parameter of an xDSL subscriber board, where the current working parameter includes at least one of a working mode configured on a subscriber port of the xDSL subscriber board and current output power of the subscriber port; and determining, according to the current working parameter, a control signal for a line driver in the xDSL subscriber board and outputting the control signal.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: December 3, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liang Chen, Liru Dai, Li Wang
  • METHOD AND APPARATUS FOR IMPROVING POWER OUTPUT EFFICIENCY OF LINE DRIVER
    Publication number: 20120294438
    Abstract: A method and an apparatus for improving power output efficiency of a line driver are disclosed. The method includes: obtaining a current working parameter of an xDSL subscriber board, where the current working parameter includes at least one of a working mode configured on a subscriber port of the xDSL subscriber board and current output power of the subscriber port; and determining, according to the current working parameter, a control signal for a line driver in the xDSL subscriber board and outputting the control signal.
    Type: Application
    Filed: August 2, 2012
    Publication date: November 22, 2012
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Liang Chen, Li Wang, Liru Dai