Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8401177 | Combined sidetone and hybrid balance | — | 2013-03-19 |
| 8299979 | Integral eye-path alignment on telephony and computer video devices using two or more image sensing devices | Darwin Rambo | 2012-10-30 |
| 7865361 | Voice quality analysis technique | Darwin Rambo | 2011-01-04 |
| 7650527 | MIPS recovery technique | Darwin Rambo | 2010-01-19 |
| 7602815 | Using network time protocol in voice over packet transmission | Roderick Sillett | 2009-10-13 |
| 7542465 | Optimization of decoder instance memory consumed by the jitter control module | Winnie Lee | 2009-06-02 |
| 7477283 | Integral eye-path alignment on telephony and computer video devices using a pinhole image sensing device | Darwin Rambo | 2009-01-13 |
| 7149305 | Combined sidetone and hybrid balance | — | 2006-12-12 |
| 6888562 | Integral eye-path alignment on telephony and computer video devices using a pinhole image sensing device | Darwin Rambo | 2005-05-03 |
| 5875246 | Distributed audio signal processing in a network experiencing transmission delay | — | 1999-02-23 |
| 5629960 | Method for reducing distortion effects on DC off-set voltage and symbol clock tracking in a demodulator | Marek Dutkiewicz | 1997-05-13 |