Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963642 | Band-by-band full duplex communication | — | 2005-11-08 |
| 6931124 | Soft mute circuit | Raymond Rubacha | 2005-08-16 |
| 6904146 | Full duplex echo cancelling circuit | Steven M. Domer | 2005-06-07 |
| 6891809 | Background communication using shadow of audio signal | John C. Ciccone | 2005-05-10 |