Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833675 | PCM frame slip detection in a channel | Norris C. Hekimian | 1989-05-23 |
| 4768203 | Signal-to-noise ratio testing in adaptive differential pulse code modulation | — | 1988-08-30 |