Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613976 | Constant envelope offset QPSK modulator | Andrew V. Hellquist | 1986-09-23 |
| 4530094 | Coding for odd error multiplication in digital systems with differential coding | — | 1985-07-16 |
| 4479256 | Two pilot frequency control for communication systems | — | 1984-10-23 |
| 4466130 | Two pilot frequency control for communication systems | — | 1984-08-14 |
| 4447903 | Forward error correction using coding and redundant transmission | — | 1984-05-08 |