Patents by Inventor Ping-Xi Cheng

Ping-Xi Cheng 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 set for mobile devices
    Patent number: 7161543
    Abstract: An antenna for the mobile electronic device. The antenna includes a first L-shaped element connecting to a second L-shaped element. Both elements are used for sending and receiving signals in a frequency band. Besides, an antenna set includes a first antenna unit and a second antenna unit, which are configured to optimize the superposition of both radiations as isotropic.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: January 9, 2007
    Assignee: Winston NeWeb Corp.
    Inventors: Ping-Xi Cheng, He-Jun Chang
  • Antenna set for mobile devices
    Publication number: 20050093752
    Abstract: An antenna for the mobile electronic device. The antenna includes a first L-shaped element connecting to a second L-shaped element. Both elements are used for sending and receiving signals in a frequency band. Besides, an antenna set includes a first antenna unit and a second antenna unit, which are configured to optimize the superposition of both radiations as isotropic.
    Type: Application
    Filed: October 25, 2004
    Publication date: May 5, 2005
    Inventors: Ping-Xi Cheng, He-Jun Chang