Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888775 | Trellis codes for partial response channels | Paul H. Siegel | 1989-12-19 |
| 4888779 | Matched spectral null trellis codes for partial response channels | Paul H. Siegel | 1989-12-19 |
| 4870414 | Even mark modulation coding method | Paul H. Siegel | 1989-09-26 |