Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6169622 | Optical scanner with a distance adjusting device | Bill Chen | 2001-01-02 |
| 6075241 | Scanning module with two oppositely movable lenses for changing scan resolution | Bill Chen | 2000-06-13 |
| 6075242 | Optical scanning module with adjustable optical path | Bill Chen | 2000-06-13 |
| 5995231 | Method for calibrating a light traveling distance in a scanning module | Bill Chen, Te-Chih Chang | 1999-11-30 |