Data communication process suitable for use in a quiet environme

Details Data communication process suitable for use in a quiet environme Data communication process suitable for use in a quiet environme

1987-02-24

1989-06-06

George, Keith E.

Telephonic communications

Telephone line or system combined with diverse electrical...

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

379100, H04M 1100

Patent

active

048378062

ABSTRACT:
A data communication apparatus includes a data communication unit for performing data communication; a setting unit for setting the apparatus in an automatic communication mode; an information unit responsive to a calling signal coming from a line for informing of the incoming of a calling signal using a sound; and a control unit for making the information unit not responsive to the calling signal from the line during the automatic communication mode and automatically performing data communication using the data communication means.

REFERENCES:
patent: 3586778 (1971-06-01), Riethmeier et al.
patent: 3824334 (1974-07-01), Jacobson et al.
patent: 3914539 (1975-10-01), Hashimoto
patent: 4160874 (1979-07-01), Ollinger
patent: 4469917 (1984-09-01), Shelley
patent: 4503288 (1985-03-01), Kessler
patent: 4578700 (1986-03-01), Roberts et al.
patent: 4639553 (1987-01-01), Kiguchi

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