Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654891 | Method and apparatus for controlling and/or limiting speed excess by drivers | David Naccache, Patrice Fremanteau | 1997-08-05 |
| 5471247 | Electronic picture reproduction device | — | 1995-11-28 |
| 4924309 | Method and circuit arrangement for improving the resolution of the coefficients of digital signals, particularly digital TV signals | Heinz-Werner Keesen, Herbert Schutze | 1990-05-08 |
| 4887157 | Method and apparatus for improving the resolution of digital signals | Herbert Schutze | 1989-12-12 |
| 4860097 | Transformation circuit | Werner Keesen, Herbert Schutze | 1989-08-22 |
| 4814871 | Method for the transmission of a video signal | Heinz-Werner Keesen | 1989-03-21 |
| 4807033 | Method for correcting television signals | Werner Keesen, Dietrich Westerkamp | 1989-02-21 |
| 4758889 | Value correction method | Heinz-Werner Keesen | 1988-07-19 |