Patents by Inventor QiYu LIU

QiYu LIU 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: 8525593
    Abstract: An amplifier circuit includes an amplifier unit that is configured to receive an input signal and generate a switching output signal. A level shifter is configured to shift the amplitude of the input signal to have a shifted amplitude that is proportional to a peak-to-peak amplitude of the switching output signal.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: September 3, 2013
    Assignee: STMicroelectronics (Shenzhen) R&D Co. Ltd.
    Inventor: QiYu Liu
  • Publication number: 20120169420
    Abstract: An amplifier circuit includes an amplifier unit that is configured to receive an input signal and generate a switching output signal. A level shifter is configured to shift the amplitude of the input signal to have a shifted amplitude that is proportional to a peak-to-peak amplitude of the switching output signal.
    Type: Application
    Filed: December 7, 2011
    Publication date: July 5, 2012
    Applicant: STMICROELECTRONICS (SHENZHEN) R&D CO. LTD.
    Inventor: QiYu LIU