Patents by Inventor Yuh Ching Tsen

Yuh Ching Tsen 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).

  • Antenna device having compact covering
    Patent number: 7499000
    Abstract: An antenna device includes an antenna member having a plate, a conductor member disposed on one side of the plate, and another conductor member disposed on the other side of the plate, the plate includes one or more orifices and one or more apertures, and a coupler includes one or more positive electrodes and one or more negative electrodes engaged through the orifices and the apertures of the antenna member and electrically coupled to the conductor members respectively. A housing includes a chamber for receiving the plate of the antenna member, and a cylindrical member having a bore for receiving the coupler. The housing includes two housing members having a chamber for receiving the plate.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: March 3, 2009
    Assignee: Joymax Electronics Co., Ltd.
    Inventors: Yat To Chan, Yuh Ching Tsen