Issued Patents All Time
Showing 101–125 of 125 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6996691 | Method for transaction command ordering in a remote data replication system | Stephen J. Sicola, Susan Elkington, Richard F. Lary | 2006-02-07 |
| 6968463 | System for controlling access to resources in a storage area network | James E. Pherson, Diana Shen, Paul Guttormson | 2005-11-22 |
| 6842526 | Adaptive noise level estimator | — | 2005-01-11 |
| 6801889 | Time-domain noise suppression | — | 2004-10-05 |
| 6658590 | Controller-based transaction logging system for data recovery in a storage area network | Stephen J. Sicola, Susan Elkington, James E. Pherson, Paul Guttormson | 2003-12-02 |
| 6658540 | Method for transaction command ordering in a remote data replication system | Stephen J. Sicola, Susan Elkington, Richard F. Lary | 2003-12-02 |
| 6629264 | Controller-based remote copy system with logical unit grouping | Stephen J. Sicola, Susan Elkington, James E. Pherson, Roger Oakey | 2003-09-30 |
| 6601187 | System for data replication using redundant pairs of storage controllers, fibre channel fabrics and links therebetween | Stephen J. Sicola, Susan Elkington, Paul Guttormson, Richard F. Lary | 2003-07-29 |
| 6539350 | Method and circuit arrangement for speech level measurement in a speech signal processing system | — | 2003-03-25 |
| 6498850 | Multichannel echo canceller with a compander | Hans Jurgen Matt, Armin Mann, Fritz Weinschenk, Holger Söhnle | 2002-12-24 |
| 6493448 | Process for echo suppression with adaptive fir filters | Armin Mann, Hans Jurgen Matt | 2002-12-10 |
| 6483915 | Equipment and processes for echo suppression with adaptive fir filters | Armin Mann, Hans Jurgen Matt | 2002-11-19 |
| 6459789 | Process for determining an echo coupling factor and the echo delay time in a bidirectional telecommunications system | — | 2002-10-01 |
| 6434234 | Process for improving the echo suppression in a telecommunications system | — | 2002-08-13 |
| 6356979 | System and method for selectively presenting logical storage units to multiple host operating systems in a networked computing system | Stephen J. Sicola, James E. Pherson | 2002-03-12 |
| 6320918 | Procedure for reducing interference in the transmission of an electrical communication signal | Hans Jurgen Matt, Michael Trompf | 2001-11-20 |
| 6041290 | Method of adaptively adjusting the coefficients of a digital filter in an echo canceller | Hans Jurgen Matt, Uwe Ackermann | 2000-03-21 |
| 5909489 | Method of and circuit arrangement for improving the transmission properties of an echo affected transmission link in a telecommunications network | Hans Jurgen Matt | 1999-06-01 |
| 5813043 | Method and system including memory patching utilizing a transmission control signal and circuit | Alexander L. Iles, Rand Gray, Weilming Sieh | 1998-09-22 |
| 5734108 | System for sensing shaft displacement and strain | Dana A. Walker | 1998-03-31 |
| 5474813 | Systems and methods for applying grid lines to a shaft and sensing movement thereof | Dana A. Walker | 1995-12-12 |
| 5400889 | Clutch assembly with automatic oil level control system | Douglas W. Bell | 1995-03-28 |
| 5253531 | System and method for monitoring torsional vibrations and operating parameters of rotating shafts | Dana A. Walker | 1993-10-19 |
| 4677665 | Method and apparatus for electronically detecting speech and tone | — | 1987-06-30 |
| 4342130 | Travelling suction cleaning apparatus | Amos S. Clark, Jr., James R. McMordie | 1982-08-03 |