Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D462028 | Ring | — | 2002-08-27 |
| 5987144 | Personal active noise cancellation method and device having invariant impulse response | Christian Carme | 1999-11-16 |
| 5943641 | Method and device for recovering a wanted acoustic signal from a composite acoustic signal including interference components | Christian Carme | 1999-08-24 |
| 4833719 | Method and apparatus for attentuating external origin noise reaching the eardrum, and for improving intelligibility of electro-acoustic communications | Christian Carme | 1989-05-23 |