| 6690797 |
Descrambling device for the use of several conditional access sub-systems |
Laurent Gauche |
2004-02-10 |
| 6459794 |
Process for scrambling and process for descrambling digital video data and devices implementing the processes |
Jean-Bernard Fischer, Véronique Pla |
2002-10-01 |
| 6452616 |
Method and device for loading a user interface |
Louis Gregoire |
2002-09-17 |
| 6396850 |
Method for cascading detachable conditional access modules, circuit for inserting a predetermined sequence and circuit for detecting the said sequence in order to implement the method |
— |
2002-05-28 |
| 5963525 |
Process for reading information |
Michel Audoin, Charaf Hanna, Joseph Colineau |
1999-10-05 |
| 5764771 |
Method for processing a digital signal in a so-called secure communication system and use of this method for access control and/or binary signature |
Jacques Stern, Louis Gregoire, Jean-Bernard Fischer |
1998-06-09 |
| 5394286 |
Method for the addressing of elementary heads of a multipack head for recording on a magnetic medium, and magnetic head implementing said method |
Helmut Burklin |
1995-02-28 |