Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969055 | Method for recording and/or reproducing digitally coded signals with interframe and interframe coding | Gunter Oberjatzas, Jean-Yves Catros, Christian Richard | 1990-11-06 |
| 4860097 | Transformation circuit | Wolfgang Hartnack, Herbert Schutze | 1989-08-22 |
| 4807033 | Method for correcting television signals | Wolfgang Hartnack, Dietrich Westerkamp | 1989-02-21 |