Patents by Inventor Meng-Hann Shieh

Meng-Hann Shieh 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 apparatus and mobile communication device using the same
    Patent number: 7633446
    Abstract: An antenna apparatus having an antenna unit with length shorter than ¼ the operating wavelength. The antenna unit formed on a first plane can be arranged to set a first distance and a first angle with respect to a ground plane of the antenna apparatus, to tune and improve impedance matching between the antenna unit and a communication module coupled to the antenna unit. A mobile communication device using the antenna apparatus is also disclosed.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: December 15, 2009
    Assignee: Mediatek Inc.
    Inventors: Shyh-Tirng Fang, Meng-Hann Shieh
  • ANTENNA APPARATUS AND MOBILE COMMUNICATION DEVICE USING THE SAME
    Publication number: 20070194995
    Abstract: An antenna apparatus having an antenna unit with length shorter than ¼ the operating wavelength. The antenna unit formed on a first plane can be arranged to set a first distance and a first angle with respect to a ground plane of the antenna apparatus, to tune and improve impedance matching between the antenna unit and a communication module coupled to the antenna unit. A mobile communication device using the antenna apparatus is also disclosed.
    Type: Application
    Filed: June 14, 2006
    Publication date: August 23, 2007
    Applicant: MEDIATEK INC.
    Inventors: Shyh-Tirng Fang, Meng-Hann Shieh