Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5815584 | Automatic detection of shorted loudspeakers in automotive audio systems | Andrew C. Krochmal | 1998-09-29 |
| 5784466 | Co-channel interference detector | Richard Harris | 1998-07-21 |
| 5697091 | Distortion-free chopper-based signal mixer | Frank Hirschenberger, Richard Harris | 1997-12-09 |
| 5467399 | Coherent signal generation in digital radio receiver | — | 1995-11-14 |
| 5465406 | Automatic gain control overshoot limiter for AM receiver | Robert D. Plowdrey | 1995-11-07 |
| 5450624 | Method and apparatus for diagnosing amp to speaker connections | Sylvester P. Porambo, John Dicky, John Cotner | 1995-09-12 |
| 5400188 | Blank detector for cassette tape player | Frank Hirschenberger, Nicholas Lawrence Difiore | 1995-03-21 |
| 5357574 | Coherent signal generation in digital radio receiver | — | 1994-10-18 |
| 5327132 | Composite signal generation and decoding in digital signal processing automotive audio system | Gregory R. Hamel, Sylvester P. Porambo | 1994-07-05 |