Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6055080 | Optical microphone | Norbert Furstenau | 2000-04-25 |
| 6008898 | Method and apparatus for measuring acceleration and vibration using freely suspended fiber sensor | Norbert Furstenau | 1999-12-28 |
| 5739526 | Fibre-optic photoelectric beam device having a transmitting optical unit for detecting a moving object through a control district | Norbert Furstenau | 1998-04-14 |
| 4853938 | He--Ne gas discharge tube | Rudolf Neubauer, Dieter H. Laschinski | 1989-08-01 |
| 4666302 | Ring laser, in particular for a ring laser type of gyro, having a block with an optical resonator cavity and three corner mirrors | Rudiger K. Rodloff | 1987-05-19 |
| 4657391 | Ring laser, particularly for a ring laser type of gyro | Rudiger K. Rodloff | 1987-04-14 |
| 4650331 | Rotational vibration drive for a ring laser gyroscope | Rudiger K. Rodloff, Dieter H. Laschinski | 1987-03-17 |
| 4639630 | Piezoceramic servo-drive for producing translational motion, especially for application to ring laser mirrors | Rudiger K. Rodloff | 1987-01-27 |
| 4628515 | Ring laser, especially for a ring laser type of gyro | Rudiger K. Rodloff | 1986-12-09 |
| 4540284 | Ring laser including reflecting mirror with phase rotating garnet layer | Rolf Gauert | 1985-09-10 |