Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226078 | Adjustable integrated/discrete-element line current controller in a telephone set | Patrick Bailly | 1993-07-06 |
| 4835484 | Gain control circuit for suppressing Larsen effect in a loudspeaker telephone | — | 1989-05-30 |
| 4723277 | Loudspeaking telephone set having an anti-Larsen device for instability detection and control | — | 1988-02-02 |
| 4626626 | Interface for a telephone set | — | 1986-12-02 |
| 4614843 | Arrangement for opening the loop for a well-defined time interval from a telephone set | — | 1986-09-30 |
| 4475012 | Subscriber telephone set incorporating overvoltage protection | — | 1984-10-02 |
| 4357652 | Light projector equipped with a low-voltage incandescent lamp and incorporating a relay | Jean-Pierre Ricouard | 1982-11-02 |