Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373361 | Fiber optic gyroscope including a 3.times.3 coupler and a contrast adjusting element | Hans Poisel, Ulrich Reinhard | 1994-12-13 |
| 5347354 | Sagnac-type optical fiber gyroscope having depolarizers of differing lengths | Reinhard Muller, Engelbert Hartl | 1994-09-13 |
| 5281807 | Optical sensor head with sloped, convergent optical systems and beam diaphragm | Hans Poisel, Norbert Rothkirch | 1994-01-25 |