Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644677 | Signal processing system for performing real-time pitch shifting and method therefor | Sangil Park | 1997-07-01 |
| 5410595 | Apparatus and method for noise reduction for a full-duplex speakerphone or the like | Sangil Park | 1995-04-25 |
| 5392348 | DTMF detection having sample rate decimation and adaptive tone detection | Sangil Park | 1995-02-21 |
| 5309484 | Method and apparatus for asynchronous timing recovery using interpolation filter | Peter J. McLane, Sangil Park | 1994-05-03 |
| 5291525 | Symmetrically balanced phase and amplitude base band processor for a quadrature receiver | Sangil Park, Peter J. McLane | 1994-03-01 |
| 5249204 | Circuit and method for phase error correction in a digital receiver | Sangil Park, Garth D. Hillman | 1993-09-28 |