Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6297849 | Output timebase corrector | Jeroen H. Stessen | 2001-10-02 |
| 5625581 | Non-integral delay circuit | — | 1997-04-29 |
| 5349548 | Non-integral delay circuit | — | 1994-09-20 |
| 4947380 | Multi-mode memory device | Adrianus T. Van Zanten, Hendrikus J. M. Veendrick, Frits A. Steenhof, Peter H. Frencken, Cornelis G. L. M. Van Der Sanden | 1990-08-07 |
| 4926260 | Video signal processing circuit | Peter H. Frencken, Simon Jan Brand | 1990-05-15 |
| 4897713 | Color television signal decoding circuit | — | 1990-01-30 |
| 4809207 | Recursive first order digital video signal filter | — | 1989-02-28 |
| 4689664 | Circuit arrangement for deriving digital color signals from an analog television signal | Wilhelm Moring, Jurgen Ruprecht | 1987-08-25 |
| 4682209 | Digital chrominance processor with a phase and frequency controlled digital oscillator independent of the stable oscillator frequency | — | 1987-07-21 |
| 4625232 | Demodulation circuit for a digitized chrominance signal having a sampling signal oscillator coupled to a chrominance signal oscillator | — | 1986-11-25 |
| 4587557 | Field number conversion circuit | Laurens Doornhein, Johannes G. Raven, Petrus W. G. Welles, Marcellinus J. J. C. Annegarn | 1986-05-06 |
| 4574307 | Line synchronizing circuit for a picture display device | — | 1986-03-04 |
| 4514754 | Digital color television signal processing circuit | Petrus W. G. Welles | 1985-04-30 |
| 4513388 | Electronic device for the execution of a mathematical operation on sets of three digital variables | Hendrikus J. M. Veendrick, Leonardus C. M. G. Pfennings, Johannes G. Raven | 1985-04-23 |
| 4488170 | Synchronizing circuit for a television receiver | — | 1984-12-11 |