Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498850 | Multichannel echo canceller with a compander | Michael D. Walker, Armin Mann, Fritz Weinschenk, Holger Söhnle | 2002-12-24 |
| 6493448 | Process for echo suppression with adaptive fir filters | Armin Mann, Michael D. Walker | 2002-12-10 |
| 6483915 | Equipment and processes for echo suppression with adaptive fir filters | Armin Mann, Michael D. Walker | 2002-11-19 |