| 8433075 |
Audio system based on at least second-order eigenbeams |
Gary W. Elko, Jens M. Meyer |
2013-04-30 |
| 7587054 |
Audio system based on at least second-order eigenbeams |
Gary W. Elko, Jens M. Meyer |
2009-09-08 |
| 5862239 |
Directional capacitor microphone system |
Gabriel L. Miller, Eric R. Wagner |
1999-01-19 |
| 5748757 |
Collapsible image derived differential microphone |
James E. West |
1998-05-05 |
| 5636287 |
Apparatus and method for the active control of air moving device noise |
Daniel A. Quinlan |
1997-06-03 |
| 5586191 |
Adjustable filter for differential microphones |
Gary W. Elko, Dennis R. Morgan, James E. West |
1996-12-17 |
| 5388163 |
Electret transducer array and fabrication technique |
Gary W. Elko, Michael M. Goodwin, James E. West |
1995-02-07 |
| 5303307 |
Adjustable filter for differential microphones |
Gary W. Elko, Dennis R. Morgan, James E. West |
1994-04-12 |
| 4965775 |
Image derived directional microphones |
Gary W. Elko, Jeffrey Phillip McAteer, James E. West |
1990-10-23 |
| 4598590 |
Electret transducer for blood pressure measurement |
Ilene J. Busch-Vishniac, James E. West |
1986-07-08 |
| 4555598 |
Teleconferencing acoustic transducer |
James L. Flanagan |
1985-11-26 |