Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469979 | METHOD FOR DETECTING SERVO ERROR, APPARATUS THEREFOR, DISK WHICH MAINTAINS QUALITY OF SERVO ERROR SIGNAL, METHOD OF CONTROLLING SERVO OF DISK RECORDING/REPRODUCING APPARATUS, METHOD OF DETECTING TRACKING ERROR, AND METHOD OF DETECTING TILT ERROR | Seong-sin Joo, In-sik Park, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2002-10-22 |
| 6400662 | Method of detecting track cross signal of optical disc recording/reproducing device and apparatus therefor | Byoung-ho Choi, Jung-wan Ko, Tae-yong Doh, Tae Yeon Lee, In-sik Park | 2002-06-04 |