Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018442 | Calibration of an optical touch-sensitive display device | Nigel Keam | 2011-09-13 |
| 8004759 | Diffusing screen | — | 2011-08-23 |
| 8004760 | Rear-projection display | Zhiqiang Liu, Karlton D. Powell | 2011-08-23 |
| 7973779 | Detecting ambient light levels in a vision system | — | 2011-07-05 |
| 7874495 | Reducing a visible presence of an optically readable tag | — | 2011-01-25 |