Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623516 | Frame synchronization for QAM | John Brownlie | 1997-04-22 |
| 5617542 | Keyboard terminal with rapid keyed character local display that is altered if character transmitted to host is not timely acknowledged | — | 1997-04-01 |
| 5598435 | Digital modulation using QAM with multiple signal point constellations not equal to a power of two | — | 1997-01-28 |