Data communication apparatus

Details Data communication apparatus Data communication apparatus

1986-08-15

1989-05-23

George, Keith E.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379100, 379355, H04M 1100, H04N 100

Patent

active

048337056

ABSTRACT:
A communication system includes a console unit having a plurality of one-touch dial keys and adbridged dial keys; a nonvolatile RAM for storing two different selection signal data in correspondence with a single key input from the console unit; an NCU for supplying a selection signal onto a communication line; an original detector for detecting the presence/absence of an original sheet; and a system controller for selectively reading out the two different selection signal data from the nonvolatile RAM in accordance with the presence/absence of the original sheet.

REFERENCES:
patent: 4113993 (1978-09-01), Heckman et al.
patent: 4291198 (1981-09-01), Anderson et al.
patent: 4502080 (1985-02-01), Tsuda
patent: 4503288 (1985-03-01), Kessler
patent: 4524244 (1985-06-01), Faggin et al.
patent: 4524393 (1985-06-01), Ohzeki
patent: 4532379 (1985-07-01), Tsukioka
patent: 4567322 (1986-01-01), Tsuda
patent: 4581656 (1986-04-01), Wada
patent: 4586086 (1986-04-01), Ohzeki

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