Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353088 | Coding and decoding system for video and audio signals | Pieter den Toonder | 1982-10-05 |
| 4340906 | Video signal coding by video signal polarity reversal on the basis of brightness level comparison | Pieter den Toonder, Johannes C. Seltenrijch, Graham S. Stubbs, Howard F. Jirka | 1982-07-20 |