Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134323 | Telecommunications system, an automatic branch exchange, a line card, a supply circuit for a telecommunications line, and a telecommunications subscriber device | — | 2000-10-17 |
| 5675483 | Power supply comprising means for improving the power factor | Hans Fennik | 1997-10-07 |
| 5359655 | Supply circuit for a telecommunication line, providing highly symmetrical and rapid response to line voltage disturbances | Rob Westdorp, Hendrikus J. Grutter | 1994-10-25 |
| 4771373 | DC power supply with electronically controlled power dissipation | — | 1988-09-13 |
| 4709154 | Opto-electrical signal converter with stabilization | Franciscus A. A. van der Veer | 1987-11-24 |
| 4504974 | Opto-electronic repeater | — | 1985-03-12 |
| 4327249 | Direct current telegraphy systems | — | 1982-04-27 |
| 4300018 | Electronic relay arrangement | — | 1981-11-10 |