Patents by Inventor Chong Ming-Hsiun

Chong Ming-Hsiun 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).

  • Dual-frequency broadband antennas
    Patent number: 6809697
    Abstract: A dual-frequency broadband antenna mainly comprises a dipole antenna set and an inductive shield, in which a positive and a negative pole are substantially two cup-like tubular hollow poles spaced out from a distance apart equal to ¼&lgr; of a high frequency band approximately; and the inductive shield is a tube made of an insulating material, having a open end. The dipole antenna set is assembled in a cavity of the inductive shield without contacting the inner rim of the latter.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: October 26, 2004
    Assignee: Antenniques Corp.
    Inventors: Tsai Churng-Jou, Chong Ming-Hsiun
  • Dual-frequency broadband antennas
    Publication number: 20040108962
    Abstract: A dual-frequency broadband antenna mainly comprises a dipole antenna set and an inductive shield, in which a positive and a negative pole are substantially two cup-like tubular hollow poles spaced out from a distance apart equal to ¼&lgr; of a high frequency band approximately; and the inductive shield is a tube made of an insulating material, having a open end. The dipole antenna set is assembled in a cavity of the inductive shield without contacting the inner rim of the latter.
    Type: Application
    Filed: December 6, 2002
    Publication date: June 10, 2004
    Inventors: Tsai Churng-Jou, Chong Ming-Hsiun