Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5535228 | Device and method for achieving rotational invariance in a multi-level trellis coding system | Ping Dong, M. Vedat Eyuboglu | 1996-07-09 |
| 4933956 | Simplified decoding of lattices and codes | — | 1990-06-12 |
| 4894844 | Signal constellations | — | 1990-01-16 |
| RE33056 | Signal structures for double side band-quadrature carrier modulation | Robert G. Gallager | 1989-09-12 |
| 4597090 | Block coded modulation system | — | 1986-06-24 |
| 4562426 | Symbol coding apparatus | — | 1985-12-31 |
| 4538284 | Signal structures with data encoding/decoding for QCM modulations | Gordon R. Lang, Shahid U. H. Qureshi, Fred M. Longstaff, Chi-Hen Lee | 1985-08-27 |
| 4343041 | Modem circuitry | — | 1982-08-03 |