Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5838875 | Apparatus and method for discriminating between analog and digital video signals in high definition video cassette recorder | Dohyeon Cho, Ho Won Lee, Man Chul Choi, Yoon S. Seoh, Soon Ki Lim +5 more | 1998-11-17 |
| 5506733 | Apparatus for recording and reproducing digital and analog video signals using two analog record/reproduce heads and two digital record/reproduce heads, respectively | Soo-Kil Kim, Mun Chae Joung, Man Chul Choi, Yoon S. Seoh, Soon Ki Lim +1 more | 1996-04-09 |
| 5119245 | Rotational phase detecting apparatus for head drum utilizing video heads | — | 1992-06-02 |