Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327580 | Full duplex RF repeater/base station providing microprocessor-controlled simultaneous CTCSS tone encode/decode | Claude L. Vignali, John R. Martin, Daniel I. Schwed | 1994-07-05 |
| 5305467 | Local area network for flexible digital communications within and between RF base stations | Charles C. Herndon, John R. Martin, Daniel I. Schwed, Claude L. Vignali | 1994-04-19 |
| 5295178 | Digital signal processor for radio base station | Daniel I. Schwed, Claude L. Vignali | 1994-03-15 |
| 5241689 | Digital signal processor audio compression in an RF base station system | Daniel I. Schwed, John R. Martin | 1993-08-31 |