Patents by Inventor Zu-yuan Chen

Zu-yuan Chen 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).

  • Planar TV receiving antenna with broad band
    Patent number: 4860019
    Abstract: A TV receiving antenna with broad band and capable of connecting with a coaxial cable comprising a sheet of electrically non-conductive synthetic plastic material; a pair of antenna elements of metallic foil in the shape of substantially a triangle or a combination of a triangle and a rectangle being superimposed on one side of said sheet, a pair of frequency compensating members of snake-shaped strip line of metallic foil connected to said antenna elements respectively being superimposed on the one side of said sheet; a pair of antenna elements of metallic foil in the shape of a trapezoid or a combination of a trapezoid and a rectangle being superimposed on the opposite side of said sheet; a pair of frequency compensating members of snake-shaped strip line of metallic foil connected to said antenna elements respectively being superimposed on the opposite side of said sheet; and impedance transformers of microstrip lines of metallic foil on each side of said sheet also superimposed for matching the antenna el
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: August 22, 1989
    Assignee: Shanghai Dong Hai Military Technology Engineering Co.
    Inventors: Ke-zheng Jiang, Deng-ke Ren, Zu-yuan Chen, Lian-zhen You