Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5835864 | Method and apparatus for customizing a device with a smart card | Eric Diehl | 1998-11-10 |
| 5568179 | Method and apparatus for device control by data transmission in TV lines | Eric Diehl | 1996-10-22 |
| 5563948 | Process for authentication of smart cards, and device for use of the process | Eric Diehl, Michel Leduc | 1996-10-08 |
| 5434397 | Protection against the non-authorized inhibition of writing in certain storage areas of a smart card | Eric Diehl, Michel Leduc | 1995-07-18 |
| 5373557 | System for processing user access control data at a decoder | Eric Diehl | 1994-12-13 |
| 5208856 | Scrambling and unscrambling method for composite video signals and implementing device | Michel Leduc, Jean-Claude Guillon, Francis Renard, Eric Diehl | 1993-05-04 |
| 5199067 | Process for promotion of pay television broadcasts, and device for use of the process | Michel Leduc, Eric Diehl, Albert Hubert Dorner, Jacky Mahler | 1993-03-30 |
| 5173589 | Process for instantaneous confirmation of actions in relation to television programs and device for use of the process | Eric Diehl, Michel Leduc | 1992-12-22 |
| 5162638 | Process for protection against fraudulent use of smart cards, and device for use of the process | Eric Diehl, Michel Leduc | 1992-11-10 |
| 5157493 | Synch responsive agc utilizing A-D converter | Albert Hubert Dorner | 1992-10-20 |
| 5128523 | Microcontrolled reader for smart cards | Eric Diehl | 1992-07-07 |