Data communication apparatus

Details Data communication apparatus Data communication apparatus

1991-10-04

1993-06-29

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Auxiliary signal

H04N 100

Patent

active

052239500

ABSTRACT:
A data communication apparatus in which if it is determined that a distant station presently in communication is a called station by a distant-station discriminating means, and a call-waiting signal is detected by a call-waiting-signal detecting means, a call-waiting-telephone controlling means is activated. This call-waiting-telephone controlling means switches over the line to the interrupting-station side by controlling a line switching means, and commences processing for an interrupt communication by a call-waiting telephone. Thereby, even if there has been an interrupt request signal, an interrupt communication is not allowed if a distant station presently in communication is in a chargeable state.

REFERENCES:
patent: 3112361 (1963-11-01), Kubota et al.
patent: 5040077 (1991-08-01), Hamano
patent: 5050005 (1991-09-01), Kagami
patent: 5055945 (1991-10-01), Oguma et al.
patent: 5138466 (1992-08-01), Saito
patent: 5140439 (1992-08-01), Tanaka

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