Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7792280 | Narrow band tone detection in echo canceling system | Renee Johnston, Mirjana Popovic, Dieter Schulz | 2010-09-07 |
| 7508931 | Method for detecting echo path changes in echo cancellers | Renee Johnston, Mirjana Popovic, Dieter Schulz | 2009-03-24 |
| 7408891 | Echo canceller employing H-register and storage register | Mirjana Popovic, Dieter Schulz | 2008-08-05 |
| 6956830 | Line echo cancellation system | Mirjana Popovic, Dieter Schulz | 2005-10-18 |