Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7702031 | System and method for adaptive modulation | J. Eric Dunn, Keith Barnes | 2010-04-20 |
| 7633893 | Fixed OFDM wireless man utilizing CPE having internal antenna | Vladimir Z. Kelman, J. Eric Dunn, Stuart A. Froelich, Keith Barnes | 2009-12-15 |
| 7626920 | Fixed OFDM wireless MAN utilizing CPE having internal antenna | Vladimir Z. Kelman, J. Eric Dunn, Stuart A. Froelich, Keith Barnes | 2009-12-01 |
| 6804529 | Trunked radio repeater communication system including home channel aliasing and call grouping | Keith Barnes, Rory A. Smith | 2004-10-12 |
| 6684080 | Trunked radio repeater communication system including home channel aliasing and call grouping | Keith Barnes, Rory A. Smith | 2004-01-27 |
| 6529486 | Trunked radio repeater communication system | Keith Barnes, Rory A. Smith | 2003-03-04 |
| 6374115 | Method and apparatus for trunked radio repeater communications with backwards compatibility | Keith Barnes, Rory A. Smith | 2002-04-16 |
| 5212714 | High speed data interface for land mobile communication system | Philip M. Wala | 1993-05-18 |
| 4876700 | Data demodulator | — | 1989-10-24 |
| 4799059 | Automatic/remote RF instrument monitoring system | Quentin S. Denzene | 1989-01-17 |
| 4786903 | Remotely interrogated transponder | George C. Rosar, Mark Kodet | 1988-11-22 |
| 4733169 | Digital frequency detector | — | 1988-03-22 |