Patents by Inventor Byung J. Lim

Byung J. Lim 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).

  • Automatic 3-mode switching circuit of a color television set
    Patent number: 5119177
    Abstract: An automatic 3-mode switching circuit of a color television set for automatically changing into a suitable system according to broadcasting signals of the broadcasting systems, i.e., PAL-N, NTSC, PAL-M systems, which comprises a color killing section, a color existence/non-existence discriminating section, a vertical synchronization signal processing section, a 50/60 Hz discriminating section, a control section, a switching section, a NTSC color demodulating section and a NTSC oscillation section, a PAL-M color demodulating section, a PAL-N color demodulating section and a PAL-N oscillation section, and a voltage controlling section.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: June 2, 1992
    Assignee: Goldstar Co., Ltd.
    Inventor: Byung J. Lim