Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850783 | Methods and apparatus for mitigating the effects of microphone overload in echo cancelation systems | — | 2005-02-01 |
| 6741966 | Methods, devices and computer program products for compressing an audio signal | — | 2004-05-25 |
| 6622030 | Echo suppression using adaptive gain based on residual echo energy | Manuel Rosendo Arana-Manzano | 2003-09-16 |
| 6570985 | Echo canceler adaptive filter optimization | — | 2003-05-27 |
| 6507653 | Desired voice detection in echo suppression | — | 2003-01-14 |
| 6487178 | Methods and apparatus for providing volume control in communicating systems including a linear echo canceler | Thomas J. Makovicka | 2002-11-26 |
| 6301357 | AC-center clipper for noise and echo suppression in a communications system | — | 2001-10-09 |
| 6185300 | Echo canceler for use in communications system | — | 2001-02-06 |
| 6173056 | Methods for adjusting audio signals responsive to changes in a power supply level and related communications devices | Patrik Lilja | 2001-01-09 |
| 6163608 | Methods and apparatus for providing comfort noise in communications systems | Leland Scott Bloebaum, Corattur Natesan Sambandam Guruparan | 2000-12-19 |
| 6160886 | Methods and apparatus for improved echo suppression in communications systems | Jim Rasmusson | 2000-12-12 |
| 6148078 | Methods and apparatus for controlling echo suppression in communications systems | — | 2000-11-14 |
| 6141551 | Method of and a system for managing communications | Corattur Natesan Sambandam Guruparan | 2000-10-31 |
| 5966438 | Method and apparatus for adaptive volume control for a radiotelephone | — | 1999-10-12 |
| 5903819 | Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal | — | 1999-05-11 |
| 5796819 | Echo canceller for non-linear circuits | — | 1998-08-18 |
| 5742191 | D/A for controlling an oscillator in a phase locked loop | Mark Francis Rumreich | 1998-04-21 |
| 5448308 | Apparatus for clamping a video signal level | Mark D. Walby, Nathaniel H. Ersoz, Todd J. Christopher | 1995-09-05 |
| 5420643 | Chrominance processing system for compressing and expanding video data | Nathaniel H. Ersoz, Karl Francis Horlander, Timothy W. Saeger | 1995-05-30 |
| 5113259 | Data transfer from an external computer to a television receiver having picture-in-picture capability | Kenneth Wayne Maze, David J. Duffield, Michael Scott Deiss, Billy Wesley Beyers, Jr., Kevin Elliott Bridgewater | 1992-05-12 |
| 4864399 | Television receiver having skew corrected clock | Russell T. Fling | 1989-09-05 |
| 4772937 | Skew signal generating apparatus for digital TV | — | 1988-09-20 |
| 4768083 | Digital TV having on-screen display feature | — | 1988-08-30 |
| 4736237 | Chroma demodulation apparatus for use with skew corrected clock signal | Russell T. Fling | 1988-04-05 |