Patents by Inventor Chang-Liang Shao

Chang-Liang Shao 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).

  • Apparatus and method for testing keyboard of mobile phone
    Patent number: 7800383
    Abstract: An apparatus for testing a keyboard of a mobile phone, includes a testing controller, a key triggering device, an analog to digital (A/D) converter, and a switch assembly connected to the key triggering module. The switch assembly includes a plurality of switches. The key triggering device includes a key triggering module connected to the keyboard. The testing controller sends a controlling signal to trigger a key of the keyboard to turn on a switch corresponding to the key, triggering the key, and comparing activating information of the switch to the key value from the mobile phone to determine if the result is correct.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: September 21, 2010
    Assignees: Hong-Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Qing-Hua Liu, Chang-Liang Shao
  • APPARATUS AND METHOD FOR TESTING KEYBOARD OF MOBILE PHONE
    Publication number: 20090289644
    Abstract: An apparatus for testing a keyboard of a mobile phone, includes a testing controller, a key triggering device, an analog to digital (A/D) converter, and a switch assembly connected to the key triggering module. The switch assembly includes a plurality of switches. The key triggering device includes a key triggering module connected to the keyboard. The testing controller sends a controlling signal to trigger a key of the keyboard to turn on a switch corresponding to the key, triggering the key, and comparing activating information of the switch to the key value from the mobile phone to determine if the result is correct.
    Type: Application
    Filed: September 25, 2008
    Publication date: November 26, 2009
    Applicants: HONG FU JIN PRECISION INDUSTRY(ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Qing-Hua Liu, Chang-Liang Shao