Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852769 | Cellular telephone audio input compensation system and method | Syed Arif Ahmed | 1998-12-22 |
| 5710984 | Radio transceiver with impedance matched test port | Tatsuya Uetake, Tai Won Youn | 1998-01-20 |
| 5684404 | System and method of measuring a battery lifetime | — | 1997-11-04 |
| 5675245 | Power detector using a constant quiescent voltage divider | Tai Won Youn, Chen Zhang | 1997-10-07 |
| 5343522 | Adaptive sparse echo canceller using a sub-rate filter for active tap selection | Paul M. Yatrou | 1994-08-30 |
| 5121395 | Transmission error protection for TDMA digital channels | — | 1992-06-09 |
| 4782525 | Echo cancellation in two-wire transmission path repeaters | Dany Sylvain, Gilles Dupuis | 1988-11-01 |
| 4593398 | Adaptive differential PCM system with residual-driven adaptation of feedback predictor | — | 1986-06-03 |