Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340906 | Video signal coding by video signal polarity reversal on the basis of brightness level comparison | Pieter den Toonder, Johannes C. Seltenrijch, Pieter J. Fondse, Howard F. Jirka | 1982-07-20 |
| 4336553 | Method of coding audio and video signals | Pieter den Toonder, Johannes C. Seltenrijch, Richard G. Merrell | 1982-06-22 |
| 4323922 | Television coding system with channel level identification | Pieter den Toonder, Glenn P. Doles, John A. Lund, Richard G. Merrell | 1982-04-06 |