Pulse or digital communications – Repeaters – Testing
Patent
1986-10-06
1990-01-16
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
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).
Nakatsuma Takuji
Yoshida Takehiro
Canon Kabushiki Kaisha
Safourek Benedict V.
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