Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8947992 | Combined echo and crosstalk cancellation | James M. Little, David E. Tetzlaff, Chang Liu | 2015-02-03 |
| 8488438 | Combined echo and crosstalk cancellation | James M. Little, David E. Tetzlaff, Chang Liu | 2013-07-16 |
| 7920461 | Combined echo and crosstalk cancellation | James M. Little, David E. Tetzlaff, Chang Liu | 2011-04-05 |
| 6507296 | Current source calibration circuit | Yvette P. Lee | 2003-01-14 |