Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7450289 | Low power driver circuit for a polarization scrambler | — | 2008-11-11 |
| 6144266 | Transition from a microstrip line to a waveguide and use of such transition | Rolf Heidemann | 2000-11-07 |
| 5796503 | Optical communication system wherein optical beat interference at the center is reduced | Joachim Selinger | 1998-08-18 |
| 5521752 | Fiber-optic amplifier with a device for monitoring the input power | Rolf Heidemann | 1996-05-28 |
| 5506723 | Multistage fiber-optic amplifier | — | 1996-04-09 |
| 5471342 | Fiber optical amplifier having a detector for measuring scattered light at a splice | Rainer Fritschi, Heinz Krimmel | 1995-11-28 |
| 5378937 | Equalizer for optical communication systems | Rolf Heidemann, Heinz Krimmel | 1995-01-03 |
| 5302922 | Equalizer for optically transmitted analog information signals | Rolf Heidemann, Heinz Krimmel | 1994-04-12 |