Patents by Inventor Sizhen Hua

Sizhen Hua 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).

  • Boundary scan method, system and device
    Patent number: 7757139
    Abstract: A boundary scan method, including generating a first parallel unipolarity boundary scan signal by a scan signal generation apparatus, sending the first parallel unipolarity boundary scan signal to a boundary scan controller; and converting, by the boundary scan controller, the first parallel unipolarity boundary scan signal into a serial boundary scan signal in a differential signaling form, and using the serial boundary scan signal for scanning a boundary scan device connected between a scan signal output and a scan signal input of the boundary scan controller.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: July 13, 2010
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Sizhen Hua
  • BOUNDARY SCAN METHOD, SYSTEM AND DEVICE
    Publication number: 20090138771
    Abstract: A boundary scan method, including generating a first parallel unipolarity boundary scan signal by a scan signal generation apparatus, sending the first parallel unipolarity boundary scan signal to a boundary scan controller; and converting, by the boundary scan controller, the first parallel unipolarity boundary scan signal into a serial boundary scan signal in a differential signaling form, and using the serial boundary scan signal for scanning a boundary scan device connected between a scan signal output and a scan signal input of the boundary scan controller.
    Type: Application
    Filed: January 29, 2009
    Publication date: May 28, 2009
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Sizhen HUA