Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645884 | Method and apparatus for initializing filter coefficients in an echo canceller | Roger P. J. Alexis, Loic B. Y. Guidoux | 1987-02-24 |
| 4577309 | Method and apparatus for measuring distant echo delay in an echo cancelling arrangement | Roger P. J. Alexis, Loic B. Y. Guidoux | 1986-03-18 |