Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888567 | Voltage-controlled crystal oscillator with variable phase feedback | Philippe Berger, Pierre A. Berland | 1989-12-19 |
| 4855688 | Multiple reference frequency generator | Philippe Berger | 1989-08-08 |
| 4837625 | Automatic gain control device for video signals | Philippe Berger | 1989-06-06 |