System for long distance transmission of signals in both directi

Details System for long distance transmission of signals in both directi System for long distance transmission of signals in both directi

1978-05-01

1980-05-20

Stewart, David L.

Communications: electrical

Selective

Having indication or alarm

370 77, G08G 107

Patent

active

042041899

ABSTRACT:
A time multiplex long distance transmission system for transmitting signals in both directions, particularly for street traffic signaling systems, utilizes a single timing generator which transmits a time slot pattern, preferably coded, to all stations by way of a few control channels, wherein existing information can be transmitted to the station by way of a respective further control channel for the station.

REFERENCES:
patent: 3079587 (1963-02-01), Barker
patent: 3175193 (1965-03-01), Willyard
patent: 3375494 (1968-03-01), Piening
patent: 3544976 (1970-12-01), Collins
patent: 3764972 (1973-10-01), Siklos
IBM Technical Disclosure Bulletin; vol. 7, No. 3; Aug. 1964; "Traffic Controller Tone Multiplexing System" by M. Druckerman.

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