Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873697 | Narrowband laser transmitter having an external resonator from which the output power can be taken | Klaus M. Haeussler, Julius Wittmann, Gisela Gaukel | 1989-10-10 |
| 4871223 | Arrangement comprising at least one integrated optical waveguide on a substrate of electro-optical material and comprising at least one electrode | Bernd Noll | 1989-10-03 |
| 4831631 | Laser transmitter comprising a semiconductor laser and an external resonator | Klaus M. Haeussler, Julius Wittmann, Gisela Gaukel | 1989-05-16 |
| 4829598 | Optical receiver with an optical coupler and an electronic amplifier | Goetz Berenbrock, Bernd Schlemmer | 1989-05-09 |
| 4799234 | Laser transmitter including an external optical resonator | Klaus M. Haeussler, Julius Wittmann, Gisela Gaukel | 1989-01-17 |