Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597787 | Echo cancellation device for cancelling echos in a transceiver unit | Ulf Lindgren, Mohan S. Misra | 2003-07-22 |
| 6560332 | Methods and apparatus for improving echo suppression in bi-directional communications systems | Nils Christensson | 2003-05-06 |
| 6510224 | Enhancement of near-end voice signals in an echo suppression system | Nils Christensson | 2003-01-21 |