Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668061 | Crosstalk canceler | — | 2003-12-23 |
| 6507658 | Surround sound panner | William L. Putnam | 2003-01-14 |
| 6072877 | Three-dimensional virtual audio display employing reduced complexity imaging filters | — | 2000-06-06 |
| 6009178 | Method and apparatus for crosstalk cancellation | Stacy Lynn Welsh | 1999-12-28 |
| 5802180 | Method and apparatus for efficient presentation of high-quality three-dimensional audio including ambient effects | Scott H. Foster | 1998-09-01 |
| 5740048 | Method and apparatus for GPS positioning, filtering and integration | James W. Chaffee | 1998-04-14 |
| 5729612 | Method and apparatus for measuring head-related transfer functions | Scott H. Foster | 1998-03-17 |
| 5659619 | Three-dimensional virtual audio display employing reduced complexity imaging filters | — | 1997-08-19 |
| 5596644 | Method and apparatus for efficient presentation of high-quality three-dimensional audio | Scott H. Foster | 1997-01-21 |
| 5430690 | Method and apparatus for processing signals to extract narrow bandwidth features | — | 1995-07-04 |
| 5331587 | System and method for restoring a clipped signal | Julius O. Smith, III | 1994-07-19 |
| 5245589 | Method and apparatus for processing signals to extract narrow bandwidth features | Ho Joon Lee | 1993-09-14 |
| 4491605 | Conductive polymers formed by ion implantation | Harry Mazurek, David R. Day, Edward W. Maby | 1985-01-01 |