Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8223959 | Echo cancellation in which sound source signals are spatially distributed to all speaker devices | Scott Grasley, David R. Ingalls | 2012-07-17 |
| 8150052 | Integrating acoustic echo cancellation as a subsystem into an existing videoconference and telepresence system | Deqing Hu, Joseph B. Davis | 2012-04-03 |