Patents by Inventor Huan-Ting Xu

Huan-Ting Xu 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).

  • Key switch
    Patent number: 8314721
    Abstract: A key switch can generate several signals is provided. The key switch includes a key top, a body, a first electronic circuit, a second electronic circuit, and a switch mechanism. Pressing the key top, the switch key generates a first signal while the first electronic circuit is closed by the switch mechanism; the switch key generates a second signal while the second electronic circuit is closed; and the switch key generates a third signal while both the first electronic circuit and the second electronic circuit is closed.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: November 20, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Huan-Ting Xu, Duo Liu
  • KEY SWITCH
    Publication number: 20100148997
    Abstract: A key switch can generate several signals is provided. The key switch includes a key top, a body, a first electronic circuit, a second electronic circuit, and a switch mechanism. Pressing the key top, the switch key generates a first signal while the first electronic circuit is closed by the switch mechanism; the switch key generates a second signal while the second electronic circuit is closed; and the switch key generates a third signal while both the first electronic circuit and the second electronic circuit is closed.
    Type: Application
    Filed: April 29, 2009
    Publication date: June 17, 2010
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: HUAN-TING XU, DUO LIU