Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5781370 | Tape cassette holder seperating mechanism of magnetic recording and reproducing apparatus having multiple thread worm for permitting moving of the cassette holder when unpowered | Jeong Don Choi, In Ki Cheon, Geun Hyuk Song | 1998-07-14 |
| 5682275 | Magnetic recording and reproducing apparatus having a single motor driving device for controlling loading functions | Jeong Don Choi, In Ki Cheon, Geun Hyuk Song | 1997-10-28 |
| 5621585 | Reel brake device operated by a tape loading mechanism of magnetic recording and reproducing apparatus | Seong Sik Kang, Sung Hoon Choi, Myung C. Baek, Sung-pyo HONG, Ji-Young Lee +3 more | 1997-04-15 |
| 5521775 | Fast running mode conversion device for magnetic recording and reproducing apparatus | Seong Sik Kang, Sung Hoon Choi, Myung C. Baek, Sung-pyo HONG, Ji-Young Lee +3 more | 1996-05-28 |
| 5501408 | Jog device for magnetic recording and reproducing apparatus | Seong Sik Kang, Sung Hoon Choi, Myung C. Baek, Sung-pyo HONG, Ji-Young Lee +3 more | 1996-03-26 |
| 5486958 | Video cassette tape recorder with single loading motor, actuating plate and fast winding plate | Jeong Don Choi, In Ki Cheon, Geun Hyuk Song | 1996-01-23 |
| 5472151 | Fast winding device for video cassette tape recorder | Jeong Don Choi, In Ki Cheon, Geun Hyuk Song | 1995-12-05 |