Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062125 | Statistic coding arrangement for producing code words comprising a variable number of bits | Thierry Langlais, Jean-Yves Boisson | 1991-10-29 |
| 4484034 | Anti-larsen-effect arrangement in a telephone station equipped with a loudspeaker | Gilbert M. M. Ferrieu, Roger B. J. Hamel, Emmanuel Lefort | 1984-11-20 |
| 4386236 | Automatic sound level control of telephone station | Gilbert M. M. Ferrieu, Emmanuel Lefort | 1983-05-31 |