Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7898935 | OFDM/DMT/digital communications system including partial sequence symbol processing | Daniel J. Marchok, Peter J. W. Melsa | 2011-03-01 |
| 7773839 | Optical dispersion compensation | Kimon Papakos, Kenneth M. Fisher | 2010-08-10 |
| 7412125 | Optical dispersion compensation | Kimon Papakos, Kenneth M. Fisher | 2008-08-12 |
| 7403610 | Echo canceller employing dual-H architecture having split adaptive gain settings | Kenneth P. Laberteaux | 2008-07-22 |
| 7236586 | Synchronization of echo cancellers in a voice processing system | Daniel J. Marchok, Charles W. K. Gritton, Ravi Chandran | 2007-06-26 |
| 7200222 | Echo canceller employing dual-H architecture having variable adaptive gain settings | Kenneth P. Laberteaux, Bruce E. Dunne, David Farrell | 2007-04-03 |
| 7039181 | Consolidated voice activity detection and noise estimation | Daniel J. Marchok, Charles W. K. Gritton | 2006-05-02 |
| 7003097 | Synchronization of echo cancellers in a voice processing system | Daniel J. Marchok, Charles W. K. Gritton, Ravi Chandran | 2006-02-21 |
| 6950388 | Apparatus and method for symbol alignment in a multi-point OFDM/DMT digital communications system | Daniel J. Marchok, Samir Kapoor, Peter J. W. Melsa | 2005-09-27 |
| 6912194 | Digital communication transmission techniques | Daniel J. Marchok, Peter J. W. Melsa | 2005-06-28 |
| 6804192 | OFDM/DMT digital communications system including partial sequence symbol processing | Daniel J. Marchok, Peter J. W. Melsa | 2004-10-12 |
| 6718035 | Echo canceller employing dual-H architecture having split adaptive gain settings | Kenneth P. Laberteaux | 2004-04-06 |
| 6614907 | Echo canceller employing dual-H architecture having variable adaptive gain settings | Kenneth P. Laberteaux, Bruce E. Dunne, David Farrell | 2003-09-02 |
| 6526139 | Consolidated noise injection in a voice processing system | Graham Rousell, Daniel J. Marchok, Charles W. K. Gritton | 2003-02-25 |
| 6526140 | Consolidated voice activity detection and noise estimation | Daniel J. Marchok, Charles W. K. Gritton | 2003-02-25 |
| 6522746 | Synchronization of voice boundaries and their use by echo cancellers in a voice processing system | Daniel J. Marchok, Charles W. K. Gritton, Ravi Chandran | 2003-02-18 |
| 6473394 | Apparatus and method for bandwidth management in a multi-point OFDM/DMT digital communications system | Daniel J. Marchok, Peter J. W. Melsa | 2002-10-29 |
| 6337907 | Echo canceller employing dual-H architecture having improved coefficient transfer | Kenneth P. Laberteaux | 2002-01-08 |
| 6285654 | Apparatus and method for symbol alignment in a multi-point OFDM or DMT digital communications system | Daniel J. Marchok, Samir Kapoor, Peter J. W. Melsa | 2001-09-04 |
| 6266409 | Echo canceller employing dual-H architecture having improved double-talk detection | Kenneth P. Laberteaux | 2001-07-24 |
| 6240180 | Echo canceller employing dual-H architecture having split adaptive gain settings | Kenneth P. Laberteaux | 2001-05-29 |
| 6181793 | Echo canceller employing dual-H architecture having improved coefficient transfer | Kenneth P. Laberteaux | 2001-01-30 |
| 6141317 | Apparatus and method for bandwidth management in a multi-point OFDM/DMT digital communications system | Daniel J. Marchok, Peter J. W. Melsa | 2000-10-31 |
| 6118758 | Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture | Daniel J. Marchok, Peter J. W. Melsa | 2000-09-12 |
| 6108349 | Method and apparatus for registering remote service units in a multipoint communication system | Peter J. W. Melsa, Mark Patton, Daniel J. Marchok | 2000-08-22 |