Patent | Date |
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Operating a trunked communication system in transmission and message trunked modes Grant 5,864,762 - Childress , et al. January 26, 1 | 1999-01-26 |
RF site communication link Grant 5,625,623 - Kent , et al. April 29, 1 | 1997-04-29 |
Trunked radio repeater system Grant 5,574,788 - Childress , et al. November 12, 1 | 1996-11-12 |
Trunked radio repeater system with control channel monitoring feature Grant 5,483,670 - Childress , et al. January 9, 1 | 1996-01-09 |
Conventional network interface for multisite RF trunking system Grant 5,481,545 - Maedjaja , et al. January 2, 1 | 1996-01-02 |
Single channel autonomous digitally trunked RF communications system Grant 5,408,680 - Hattey , et al. April 18, 1 | 1995-04-18 |
Fail-soft architecture for public trunking system Grant 5,274,838 - Childress , et al. * December 28, 1 | 1993-12-28 |
Trunked radio repeater system with multigroup calling feature Grant 5,274,837 - Childress , et al. December 28, 1 | 1993-12-28 |
Processor-to-processor communications protocol for a public service trunking system Grant 5,212,724 - Nazarenko , et al. May 18, 1 | 1993-05-18 |
Processor-to-processor communications protocol for a public service trunking system Grant 5,206,863 - Nazarenko , et al. April 27, 1 | 1993-04-27 |
Fail-soft architecture for public trunking system Grant 5,175,866 - Childress , et al. December 29, 1 | 1992-12-29 |
Digital voter for multiple site PST R trunking system Grant 5,131,007 - Brown , et al. July 14, 1 | 1992-07-14 |
Processor-to-processor communications protocol for a public service trunking system Grant 5,128,930 - Nazarenko , et al. July 7, 1 | 1992-07-07 |
Trunked radio repeater system including synchronization of a control channel and working channels Grant 5,125,102 - Childress , et al. June 23, 1 | 1992-06-23 |
Voter arrangement for multiple site PST RF trunking system Grant 5,113,413 - Brown , et al. May 12, 1 | 1992-05-12 |
Processor-to-processor communications protocol for a public service trunking system Grant 5,020,132 - Nazarenk , et al. May 28, 1 | 1991-05-28 |
Apparatus and method for transmitting digital data over a radio communications channel Grant 4,905,234 - Childress , et al. February 27, 1 | 1990-02-27 |
Trunked radio repeater system Grant 4,905,302 - Childress , et al. February 27, 1 | 1990-02-27 |
Processor-to-processor communications protocol for a public service trunking system Grant 4,835,731 - Nazarenko , et al. May 30, 1 | 1989-05-30 |
Mobile radio communications system with join feature Grant 4,682,367 - Childress , et al. July 21, 1 | 1987-07-21 |