Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004907 | Circuit for determining power of received light having superimposition of low frequency current | — | 1991-04-02 |
| 4939475 | Circuit arrangement comprising an amplifier connected to an opto-electrical transducer | Hermann Danzer | 1990-07-03 |
| 4870369 | Circuit arrangement having a pre-amplifier connected to an opto-electric transducer | Peter Bartenstein | 1989-09-26 |