Patents by Inventor Wen-Zhi Liu

Wen-Zhi 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).

  • Motherboard test machine
    Patent number: 7443183
    Abstract: A test machine for testing a printed circuit board (PCB) (50) includes a base box (10), a top test device (70), a raising board (41), and a control system. The top test device is pivotably secured to the base box, for testing the PCB. The raising board carries the PCB to be tested, and is upliftably secured on the base box. The control system controls lifting of the raising board up, thereby connecting the PCB with the top test device during testing.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: October 28, 2008
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Chia-Pin Yin, Yi-Li Chou, Wen-Zhi Liu, Shun-Qiu You
  • MOTHERBOARD TEST MACHINE
    Publication number: 20070152694
    Abstract: A test machine for testing a printed circuit board (PCB) (50) includes a base box (10), a top test device (70), a raising board (41), and a control system. The top test device is pivotably secured to the base box, for testing the PCB. The raising board carries the PCB to be tested, and is upliftably secured on the base box. The control system controls lifting of the raising board up, thereby connecting the PCB with the top test device during testing.
    Type: Application
    Filed: December 29, 2005
    Publication date: July 5, 2007
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chia-Pin Yin, Yi-Li Chou, Wen-Zhi Liu, Shun-Qiu You