Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781474 | Apparatus and method for tuning a filter | John A. Shepherd | 2004-08-24 |
| 5606228 | Television vertical timebase circuit | John A. Shepherd | 1997-02-25 |
| 5134492 | Method and device for limiting the current of a cathode-ray tube during the frame return time | Antoine Pery | 1992-07-28 |
| 4918529 | Device for setting minimal and maximal frequencies of a frequency modulated video signal | Philippe Berger | 1990-04-17 |
| 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 |
| 4644388 | Process and circuit for the demodulation of chrominance signals | Michel Imbert | 1987-02-17 |
| 4561014 | Method and circuit for frequency and phase locking a local oscillator for television | Michel Imbert | 1985-12-24 |
| 4553156 | Circuit and process for chrominance decoding with analog or digital delay line in a television system of a pal or secam type | Michel Imbert | 1985-11-12 |