Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7113514 | Apparatus and method for implementing a packet based teleconference bridge | Michael J. Kirk | 2006-09-26 |
| 6944289 | Delay insertion for echo cancellation, with echo supression, in a communication network | Lee M. Proctor | 2005-09-13 |
| 6920219 | Method and apparatus for providing echo cancellation | — | 2005-07-19 |
| 6839427 | Method and apparatus for echo canceller automatic gain control | Michael J. Kirk | 2005-01-04 |
| 6836547 | Protecting an echo canceller against random transitions in echo paths | — | 2004-12-28 |
| 6785339 | Method and apparatus for providing speech quality based packet enhancement in packet switched networks | J. Douglas Brophy, Lee M. Proctor, Michael J. Kirk | 2004-08-31 |
| 6438225 | Method and system for detecting and controlling severe echo | — | 2002-08-20 |
| 6351531 | Method and system for controlling echo cancellation using zero echo path, ringing, and off-hook detection | Michael J. Kirk | 2002-02-26 |
| 6347140 | Echo canceling method and apparatus | Michael J. Kirk | 2002-02-12 |