Patents by Inventor Byeong H. Kim

Byeong H. Kim 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).

  • Simultaneous optical compression and decompression apparatus
    Patent number: 5574586
    Abstract: A simultaneous optical compression and decompression apparatus having a simple symmetrical arrangement including a plurality of optical splitting/combining units capable of achieving simultaneous splitting and combining of optical signals in opposite directions, a plurality of optical delay units each arranged between adjacent ones of the optical splitting/combining units and adapted to delay the time taken for an optical signal to pass therethrough in each of opposite directions by a predetermined time, so as to reproduce the optical signal in accordance with a predetermined rule.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: November 12, 1996
    Assignees: Electronics and Telecommunications Research Institute, Korea Telecommunication Authority
    Inventors: Kwang Uk Chu, Byeong H. Kim, Seo Y. Shin, Ki H. Kim, Yong h. Won