Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806915 | Method and apparatus for echo cancellation in digital communications using an echo cancellation reference signal | — | 2004-10-19 |
| 6687317 | Method for correlation directed echo cancellation and channel equalization for the digital transmission link in vestigial side band amplitude modulation | — | 2004-02-03 |