Pulse or digital communications – Repeaters – Testing
Patent
1986-01-15
1989-09-12
Griffin, Robert L.
Pulse or digital communications
Repeaters
Testing
379 63, 455 55, H04B 1500, H04K 100
Patent
active
048667323
ABSTRACT:
A wireless telephone communication system for wireless, voice, data or voice and data terminals comprising apparatus at a central location for receiving one or a plurality of signals for communication with selected ones of wireless communication terminals, apparatus for converting the signals to spread spectrum radio frequency signals, a leaky transmission line located in a communication region, apparatus for applying the spread spectrum radio frequency signals to the transmission line for electromagnetic radiation within the region, at least one wireless communication terminal adapted to receive a predetermined one of the spread spectrum radio frequency signals and for demodulating it into an intelligible signal.
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Isberg "Guided Radio Communication in Tunnels, Mines, Canyons and Buildings", Notice for Grid Calendar, May 15, 1979.
Anderson Adrian J.
Carey Michael J.
Chin Stephen
Griffin Robert L.
Mitel Telecom Limited
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