Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6192010 | Apparatus and method for adjusting the pickup head of an optical disc drive to optimal focus point | Ching-Jiang Hsieh | 2001-02-20 |
| 6157601 | Auto gain adjustment apparatus and method for focusing and tracking control of the optical pickup of an optical disc drive | Chih-Hsien Kao | 2000-12-05 |
| 6154424 | Control device of a pickup head for locating the track position | Chih-Hsien Kao | 2000-11-28 |