Patents by Inventor Wei Bing Jing

Wei Bing Jing 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).

  • Closed-loop feedback circuit for controlling LEDs
    Patent number: 7781983
    Abstract: A circuit for controlling LEDs is described. The circuit includes a negative feedback closed-loop circuit provided to sense only the voltage on an LED. Any change in the voltage is caused to be corrected by the negative feedback closed-loop circuit in conjunction with a current source.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: August 24, 2010
    Assignees: Vimicro Corporation, Wuxi Vimicro Corporation
    Inventors: Jane Xiaoying Yu, Wei Bing Jing