Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7417940 | Apparatus for and method of controlling photo diode using digital potentiometer | Hong-kuk Kim, Myoung-cher Cho | 2008-08-26 |
| 7251206 | Optical signal converter and method of controlling amplification gain according to rotating speed of optical disc | Chang Hoon Baek, Seung-man Han, Sung-du Kwon | 2007-07-31 |
| 7203148 | Method and apparatus for identifying the type of optical recording medium | Jong-ryull Kim, Pyong-yong Seong, No-Jun Kwak, Ki-bong Yun, Bong-hwoan Choi | 2007-04-10 |
| 7116608 | Lens position determination apparatus of optical pickup | Jong-ha Jun, Dong-Ryeol Lee, Young Pyo Lee, Hyun Cheal Bang, Ho Jin Yoon | 2006-10-03 |
| 6385160 | Pickup adjusting apparatus of a disk player | — | 2002-05-07 |
| 6373812 | Disk player capable of adjusting tilt of optical pickup | Sang Tae Kim | 2002-04-16 |
| 6044057 | Optical disk drive having an adjusting mechanism for adjusting phase and tilt | Byung-yeob Park, Young-won Lee, Sang Tae Kim, Hyun Woo Lee | 2000-03-28 |
| 5933408 | Optical disk drive | Byung-yeob Park, Young-won Lee, Sang Tae Kim, Hyun Woo Lee | 1999-08-03 |
| 5761182 | Optical recording and reproducing apparatus | — | 1998-06-02 |