Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494586 | Back-light module with improved light projecting assembly for image scanning device | Chih-Wen Huang | 2002-12-17 |
| 6493075 | Method to adjust the ranging of the modulation transfer function, MTF, of a sensing system | Chih-Wen Huang | 2002-12-10 |
| 6489601 | Correction method for an image reading system | — | 2002-12-03 |
| 6463238 | Upper transparency cover | Chih-Wen Huang | 2002-10-08 |
| 6445480 | Image scanning device with switching mechanism for selectively scanning reflective and transparent document | Chien-Liang Yeh | 2002-09-03 |