Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7301863 | Method and device for canceling a land-groove offset component of a focusing error signal in an optical storage system | Hsin-Chung Yeh, Yung-Chih Li, Chao-Hsing Tseng | 2007-11-27 |
| 7236437 | Shock detector for optical disc recorders and shock-proof recording method using shock signal | Jyh-Shin Pan, Chih-Yuan Chen | 2007-06-26 |
| 7092338 | Method and apparatus for controlling laser beam power in an optical recording system | Chih-Yuan Chen | 2006-08-15 |
| 7023767 | Gain calibration device and method for differential push-pull tracking error signals | Wen-Yi Wu, Bruce Hsu | 2006-04-04 |
| 6914862 | Device and method for calibrating linear velocity and track pitch for optical disc drive | Chao-Long Tsai, Chi-Kwong Ho | 2005-07-05 |