Communication system interconnecting radios and operators locate

Details Communication system interconnecting radios and operators locate Communication system interconnecting radios and operators locate

1982-10-27

1985-05-21

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 89, H04Q 1104

Patent

active

045190690

ABSTRACT:
A communication system using a control bus and an audio bus to interconnect operator positions and radio positions. Each position is allocated, by a timing circuit, time slots on the control bus during which it applies digital words to the control bus indicating its own identity and information to be transmitted to other positions. Because data applied to the control bus by the operator positions is time multiplexed, requests from operator positions for a particular radio facility are dealt with in turn by the radio positions so that operators at the operator positions cannot compete for the same ratio facility. The need for a general purpose computer and its associated software is avoided. Each radio at the radio positions is able to communicate to the operators at the operator positions its current mode of operation so that the operators can always be sure that the system is operating correctly. The system can employ a single timing circuit or a plurality of individual timing circuits each located at a respective position.

REFERENCES:
patent: 3603932 (1971-09-01), Kerr et al.
patent: 3985962 (1976-10-01), Jones et al.
patent: 3987397 (1976-10-01), Belcher et al.
patent: 4242749 (1980-12-01), Takezoe
patent: 4290134 (1981-09-01), Hampshire
patent: 4313196 (1982-01-01), Oblonsky
patent: 4356484 (1982-10-01), Eckhardt
patent: 4369443 (1983-01-01), Giallanza et al.
patent: 4373183 (1983-02-01), Means et al.
patent: 4445193 (1984-04-01), Mueller et al.

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