Patents by Inventor Ho-Tsung Chang

Ho-Tsung Chang 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).

  • Planner inverted-F antenna having a rib-shaped radiation plate
    Patent number: 7061437
    Abstract: A planner inverted-F antenna (PIFA) includes a ground plane, a rib-shaped radiation plate installed approximately in parallel with the ground plane, a feeding line installed on the rib-shaped radiation plate, a feeding contact installed on an end of the feeding line, and a ground contact electrically connected to the ground plane.
    Type: Grant
    Filed: February 15, 2005
    Date of Patent: June 13, 2006
    Assignee: Syncomm Technology Corp.
    Inventors: Chin-Wen Lin, Shih-Chieh Lo, Ho-Tsung Chang
  • PLANNER INVERTED-F ANTENNA HAVING A RIB-SHAPED RADIATION PLATE
    Publication number: 20060097920
    Abstract: A planner inverted-F antenna (PIFA) includes a ground plane, a rib-shaped radiation plate installed approximately in parallel with the ground plane, a feeding line installed on the rib-shaped radiation plate, a feeding contact installed on an end of the feeding line, and a ground contact electrically connected to the ground plane.
    Type: Application
    Filed: February 15, 2005
    Publication date: May 11, 2006
    Inventors: Chin-Wen Lin, Shih-Chieh Lo, Ho-Tsung Chang
  • AUDIO AND DATA MULTIPLEXED WIRELESS AUDIO SYSTEM
    Publication number: 20040146034
    Abstract: A wireless audio system for transmitting and receiving multiplexed audio and data information. The wireless audio system includes a the transmitter and a receiver that respectively include a novel apparatus for providing multiplexed audio and data delivering so that the wireless audio system can receive a plurality of input signals of various types including a digital audio input signal, an analog audio input signal, and a control input signal and output a plurality of corresponding output signals of various types including a digital audio output signal, an analog audio output signal, and a control output signal.
    Type: Application
    Filed: August 10, 2003
    Publication date: July 29, 2004
    Inventors: Chih-Sheng Chou, Chat-Chin Quek, Ho-Tsung Chang, Hsu-Hsiang Tseng