Data communication system

Pulse or digital communications – Repeaters – Testing

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Details

358434, 375121, 379100, H04N 121, H04N 132

Patent

active

048948438

ABSTRACT:
A data communication system includes a receiver, a transmitter, an NCU, a control circuit, and a display circuit. In the send or receive mode, the number of remaining sheets or the time for sending or receiving such sheets is calculated and displayed on the display circuit under the control of the control circuit.

REFERENCES:
patent: 3487312 (1969-12-01), Egan et al.
patent: 4251691 (1981-02-01), Kakihara et al.
patent: 4255619 (1981-03-01), Saito
patent: 4413285 (1983-11-01), Anzai et al.
patent: 4524393 (1985-06-01), Ohzeki
patent: 4581656 (1986-04-01), Wada
patent: 4612594 (1986-09-01), Yamaura et al.
patent: 4672460 (1987-06-01), Tsuda
"Fido's Complete Operating Manual" 4th Edition, Aug. 1985 (P1).

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