Telegraphy – Repeaters – Automatic in either direction
Patent
1976-09-29
1978-01-24
Robinson, Thomas A.
Telegraphy
Repeaters
Automatic in either direction
178 50, H04L 500, H04L 2520
Patent
active
040705455
ABSTRACT:
A communication system for repeating a data signal received on one input/output line onto one or more other input/output lines while inhibiting the data signal repetition on the input/output line having input data being received thereon. The first bit of the incoming data signal is detected to generate a control signal for a line selector latch. The line selector latch latches in response to the control signal with the appropriate incoming line identification stored therein. This stored line identification is used to control a multiplexer which selects the corresponding one of a plurality of input signal detectors connected to respective input-output lines to supply an input signal to a signal repeater. The stored line identification also generates an inhibit signal to inhibit operation of a line output driver associated with the input/output line on which the incoming data was detected. An output signal from the signal repeater and timing signals are applied to a signal shaping circuit to develop input signals for the line output drivers to repeat the data signal by all uninhibited line output drivers.
REFERENCES:
patent: 3435142 (1969-03-01), Crowson et al.
patent: 3443022 (1969-05-01), Benowitz et al.
patent: 3544719 (1970-12-01), Kahlbrock
Burton Lockwood D.
Halista Mitchell J.
Honeywell Inc.
Marhoefer Laurence J.
Robinson Thomas A.
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