Patents by Inventor Jin-Sik Yun

Jin-Sik Yun 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).

  • Apparatus and method for matching antenna of mobile communication terminal
    Patent number: 7539527
    Abstract: An apparatus for matching an antenna of a mobile communication terminal and its method are disclosed. The apparatus for matching an antenna of a mobile communication terminal includes a sensing unit for generating a first match signal when an antenna of the mobile communication terminal and a display unit becomes adjacent to each other, and generating a second match signal when the display unit becomes apart from the antenna; a first matching unit for matching first impedance between the antenna and an RF signal generating unit based on the first match signal; and a second matching unit for matching second impedance between the antenna and the RF signal generating unit based on the second match signal.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: May 26, 2009
    Assignee: LG Electronics Inc.
    Inventors: Sung-Kwon Jang, Jin-Sik Yun
  • Apparatus and method for matching antenna of mobile communication terminal
    Publication number: 20060142075
    Abstract: An apparatus for matching an antenna of a mobile communication terminal and its method are disclosed. The apparatus for matching an antenna of a mobile communication terminal includes a sensing unit for generating a first match signal when an antenna of the mobile communication terminal and a display unit becomes adjacent to each other, and generating a second match signal when the display unit becomes apart from the antenna; a first matching unit for matching first impedance between the antenna and an RF signal generating unit based on the first match signal; and a second matching unit for matching second impedance between the antenna and the RF signal generating unit based on the second match signal.
    Type: Application
    Filed: December 23, 2005
    Publication date: June 29, 2006
    Inventors: Sung-Kwon Jang, Jin-Sik Yun