Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994468 | Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser | Aalbert Stek, Carsten Heinks, Marcel F. Schemmann | 2011-08-09 |
| 7706581 | Fingerprint detection using sweep-type imager with optoelectronic speed sensor | Steffen Drews, Thomas Hase, Karl-Ragmar Riemschneider | 2010-04-27 |
| 7323676 | Color photosensor with color filters and subtraction unit | — | 2008-01-29 |