Patents by Inventor Sung Choon Kang

Sung Choon Kang 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).

  • Patent number: 6438361
    Abstract: An apparatus, method and readable medium capable of automatically selecting a channel of a broadband frequency and calibrating a frequency change using approximated frequency mapping function are disclosed. The apparatus comprises a frequency band dividing part; a frequency converting part; a first controlling part; and a second controlling part. The second controlling part selects a coefficient of an approximated frequency mapping function for a channel corresponding to a channel conversion selection signal from outside from previously stored coefficients of approximated frequency mapping function for the divided frequency.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: August 20, 2002
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Young Jun Chong, Jae Young Kim, Sung Choon Kang, Jae Ick Choi, Jae Hong Park