Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092323 | Multi-stage focus control system and method | Keng-Lon Lei | 2006-08-15 |
| 7079464 | Focusing method of layer jumping for an optical storage device | — | 2006-07-18 |
| 7035176 | Method and device for timely outputting focusing completion signal to realize focusing condition of optical pickup head | — | 2006-04-25 |
| 6992954 | Method for determining DC level of AC signal and DC offset of the same | Keng-Lon Lei | 2006-01-31 |