Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146771 | Rotary position encoder based on polarization | — | 2024-11-19 |
| 9933284 | Multi-track absolute encoder | Andrew Goldman, Marc Bernard | 2018-04-03 |
| 7368705 | Absolute encoder employing linked sub-encoders and beat track | Alva E. Hare, Keith M. Hinrichs | 2008-05-06 |
| 7343693 | Scale assembly for optical encoder having affixed optical reference markers | Donald K. Mitchell, Donald L. Grimes, Stuart A. Dodson, II, Keith M. Hinrichs, Andrew Goldman +2 more | 2008-03-18 |
| 7324212 | Optical encoder having slanted optical detector elements for harmonic suppression | Donald K. Mitchell | 2008-01-29 |
| 7321113 | Precision material-handling robot employing high-resolution, compact absolute encoder | Alva E. Hare, Keith M. Hinrichs | 2008-01-22 |
| 7253395 | Absolute encoder employing concatenated, multi-bit, interpolated sub-encoders | Alva E. Hare, Keith M. Hinrichs | 2007-08-07 |
| 7183537 | Rotary position sensor with offset beam generating element and elliptical detector array | — | 2007-02-27 |
| 7126109 | Encoder scale error compensation employing comparison among multiple detectors | Andrew Goldman | 2006-10-24 |
| 7067797 | Optical position encoder having alignment indicators providing quantitative alignment indications | Donald K. Mitchell, Andrew Goldman, Keith M. Hinrichs | 2006-06-27 |
| 7002137 | Reference point talbot encoder | Norman J. Tobey, Melvin J. Teare, Douglas A. Klingbeil, Ralph A. Kelliher | 2006-02-21 |
| 5783752 | Diffuse surface interference position sensor | Donald K. Mitchell, Bruce A. Horwitz | 1998-07-21 |
| 5646730 | Relative movement detecting apparatus using a detector positioned in a region of natural interference | Donald K. Mitchell | 1997-07-08 |
| 5486923 | Apparatus for detecting relative movement wherein a detecting means is positioned in the region of natural interference | Donald K. Mitchell | 1996-01-23 |