Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894714 | Apparatus using teletext to provide channel identification information in a television transmission system | — | 1990-01-16 |
| 4697046 | Teletext signal processing circuit for a teletext receiver | Michael P. W. Geerings, Wilhelmus F. Fekkes, Herman J. R. Schmitz | 1987-09-29 |
| 4349904 | Error correction circuit using character probability | Peter Janssen | 1982-09-14 |
| 4219849 | Television receiver having a controllable sound suppression filter | Peter Janssen, Hendrik Kolk | 1980-08-26 |