Patents by Inventor Jiang-Qiang Zhang

Jiang-Qiang Zhang 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).

  • Audio jack having securely retained contacts therein
    Patent number: 6346013
    Abstract: An audio jack designed to be located between a printed circuit board and a fixing portion of an electronic device for fixing the audio jack. The audio jack includes a housing (1) and a number of contacts (21, 22, 23, 24, 25) retained in the housing. The housing defines a plug-insertion hole. Each contact includes a base (213, 223, 232, 242, 251), a projecting portion (214, 224, 236, 243, 255) projecting from the base and a tail portion (216, 225, 235, 246, 253) for resiliently abutting against the printed circuit board. At least one of the contacts has a locating tab (211, 221, 231, 244) bent from the base thereof and retained in the housing for preventing movement of the contact relative to the housing in a top-to-bottom direction.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: February 12, 2002
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Jiang-Qiang Zhang, Li-Qi Liu