Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354201 | Television system with access control | Claude Sechet, Gerard Babonneau | 1982-10-12 |
| 4352011 | Subscription card for a videotex receiver | — | 1982-09-28 |
| 4337483 | Text video-transmission system provided with means for controlling access to the information | — | 1982-06-29 |
| 4323921 | System for transmitting information provided with means for controlling access to the information transmitted | — | 1982-04-06 |