Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924415 | Apparatus and method for a light direction sensor | — | 2011-04-12 |
| 7060968 | Method and apparatus for optical encoding with compressible imaging | — | 2006-06-13 |
| 6765195 | Method and apparatus for two-dimensional absolute optical encoding | — | 2004-07-20 |
| 5965879 | Method and apparatus for ultra-high-sensitivity, incremental and absolute optical encoding | — | 1999-10-12 |
| 5483058 | High angular sensitivity, absolute rotary encoding device with polygonal mirror and stand-alone diffraction gratings | — | 1996-01-09 |
| 5329121 | Rotary encoding device with polygonal reflector and centroid detection | — | 1994-07-12 |
| 5266796 | Rotary encoding device using polygonal mirror with diffraction gratings on each facet | — | 1993-11-30 |
| 5058281 | Control system for ruling blazed, aberration corrected diffraction gratings | — | 1991-10-22 |