Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181758 | Phase-locked loop with small phase error | Gerhard Thanhaeuser, Baldur Stummer | 2001-01-30 |
| 4471494 | Optical transmission system for high frequency digital signals | Heinrich Keil | 1984-09-11 |
| 4385387 | Preconduction current control of laser diodes | — | 1983-05-24 |
| 4317233 | Telephone subscriber station | Gerhard Kunde, Siegfried Schoen | 1982-02-23 |
| 4292606 | Modulation current control of laser diodes | — | 1981-09-29 |