Simultaneous telecommunication between radio stations

Details Simultaneous telecommunication between radio stations Simultaneous telecommunication between radio stations

1976-01-05

1977-12-06

Griffin, Robert L.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 22, 343179, H04B 156

Patent

active

040620166

ABSTRACT:
A radio communication system for simultaneous telecommunication between a calling station and a called station using a carrier of single frequency for carrying audio information, in which a time division pulse signal within the audio frequency range is generated for synchronous transmission and reception of the audio signals in these stations in time division fashion. The audio signals received at a station during one pulse interval are delayed and combined with the signal portion received during the one pulse interval to provide a composite signal comprised of the same audio signal in two successive pulse intervals. Voice control means are also provided so that the radio communication system can make continuous signal transmission and reception in time division fashion when audio information to be transmitted is applied to the microphone, and the system can be placed in the receiving mode when such input is not applied to the microphone.

REFERENCES:
patent: 3283074 (1966-11-01), Csicsatka
patent: 3460040 (1969-08-01), Jacob
patent: 3784847 (1974-01-01), Kurz et al.
patent: 3827052 (1974-07-01), Tanaka

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