Transmission-reception apparatus

Details Transmission-reception apparatus Transmission-reception apparatus

1979-08-15

1981-09-01

Robinson, Thomas A.

Multiplex communications

Wide area network

Packet switching

H04L 516

Patent

active

042875897

ABSTRACT:
A transmission-reception apparatus wherein signals are bidirectionally and mutually transmitted and received between a transmitter and a receiver using a single transmission line, characterized in that the input and output portions of the transmitter and the receiver are respectively equipped with bidirectional line drivers and with flip-flops that are set by signals received through the line drivers, are reset by signals transmitted through the line drivers and change over the line drivers to signal transmission and reception. Said receiver is equipped with a counter for counting the number of signal receptions, a decoder for decoding the output of the counter and means for discriminating the reception signals by means of the output of the decoder.

REFERENCES:
patent: 3496293 (1970-02-01), Avery et al.
patent: 3843834 (1974-10-01), Burke
patent: 4110560 (1978-08-01), Leary et al.
patent: 4159448 (1979-06-01), Parham

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