Matches 1 - 20 out of 20
Match Document Document Title
6804529 Trunked radio repeater communication system including home channel aliasing and call grouping  
A system for channel assignment in a trunked transmission communication system including a plurality of subscribers. A plurality of subscribers is provided home channel assignment to reduce...
6529486 Trunked radio repeater communication system  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for...
6374115 Method and apparatus for trunked radio repeater communications with backwards compatibility  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for...
6195415 Communication line test apparatus for a mobile radio system  
A mobile radio communication network including plural radio cells controlled by a centralized hub controller. The hub controller communicates data packets to each radio cell on a data line, and...
6052591 Broadcasting messages to mobile stations within a geographic area  
A dialable directory number is assigned to a particular location area or cell area. A telecommunications user wanting to transmit user defined messages, such as a text message, to mobile stations...
6023463 Satellite telephone interference avoidance system  
A method is disclosed for operating a first satellite communications system of a type that operates co-frequency with at least one second transmission system, such as a second satellite...
5999820 Dispatch console having communication modules with caller tracking feature  
A dispatch console for a radio system is disclosed, where the radio system includes an audio switching tower which routes audio communications between a switching device and audio input/output...
5903837 Wireless telephone/satellite roaming method  
A wireless telephone system capable of servicing a roaming wireless telephone user includes a satellite communications system consisting of one or more orbiting satellites, each carrying a database...
5875180 Satellite telephone interference avoidance system  
A method is disclosed for operating a first satellite communications system of a type that operates co-frequency with at least one second transmission system, such as a second satellite...
5815799 Priority system for a wide area transmission trunked communication system  
A method and apparatus for providing priority access for users in a transmission trunked communication system, including a plurality of distributive radio network terminal (RNT) switches and a...
5802454 Remotely distributed location and messaging system  
A network of interconnected, remotely distributed, location and messaging systems. Each of the remotely distributed location and messaging systems can be dynamically configured to use different...
5754960 Display console and user interface for multisite RF trunked system  
A dispatcher console for use in a digitally trunked, multisite public service radio system. The dispatcher counsel comprises a personal computer having a co-processor logic board, an audio...
5715297 Wireless telephone/satellite roaming system  
A wireless telephone system capable of servicing a roaming wireless telephone user includes a satellite communications system consisting of one or more orbiting satellites, each carrying a database...
5699408 International mobile station identification method and signaling system for cellular radiotelephones and systems  
A cellular radiotelephone or MS (100) includes an international mobile station identification including a mobile country code MCC, a mobile network code MNC, an area code MIN2 and a local number...
5574977 System and method for providing priority access and channel assignment in a cellular telecommunication system  
A system and method of providing users of a mobile cellular telecommunication network, who subscribe to priority service, with priority access to voice or traffic channels during periods of...
5564094 Radio receiver providing reduced intermodulation distortion  
A radio receiver (10) comprises a plurality of stages and means for selectively adjusting the stages (16, 18, and 22), as a function of the received signal strength to reduce intermodulation...
5548802 Method and apparatus for a remote network switch for a land mobile transmission trunked communication system  
A method and apparatus for distributively interconnecting a plurality of land mobile trunked transmission communication systems into a wide area network includes a plurality of distributive radio...
5408680 Single channel autonomous digitally trunked RF communications system  
A single channel autonomous trunking ("SCAT") RF repeater transmits and receives on a single duplex RF channel. The repeater operates alternately in a control channel mode and in an assigned...
5329618 Look-up table for a bridge in a data communications system  
A look-up table for use in a bridge employing negative filtering for interconnecting first and second networks in a data communications system. Associated with each data transmission is a source...
5287542 Method to expand an audience in a communication system network  
A central controller of a communication system network may more efficiently expand an audience of a communication in the following manner. When a communication unit of a first communication group...
Matches 1 - 20 out of 20