Terminal switching control apparatus

Details Terminal switching control apparatus Terminal switching control apparatus

1988-02-26

1989-09-19

Ng, Jin F.

Telephonic communications

Telephone line or system combined with diverse electrical...

To produce visual-graphic copy

379 80, H04M 1100, H04M 165

Patent

active

048688657

ABSTRACT:
A terminal switching control apparatus includes a controller. The controller responds to one of a record stop (RS) signal, a communication signal from a telephone, and a facsimile communication end (FCE) signal from a facsimile to monitor a call detect CED signal from a call detector. The controller determines whether the mode set by a mode setting section is a first mode or a second mode, in response to the CED signal from the call detector. In the first mode, the controller responds to a CNG detect signal from a CNG detector within a first time period and outputs a switch control (SC) signal to a switch so as to couple a communication line to the facsimile, and then responds to the communication signal upon elapse of the first time period and outputs the SC signal to the switch so as to couple the communication line to the telephone. In the second mode, the controller outputs a record start control (RSC) signal to a recording section and outputs the RS signal to the recording section upon elapse of a second time period.

REFERENCES:
patent: 4564724 (1986-01-01), Nakayama et al.
patent: 4639553 (1987-01-01), Kiguchi
patent: 4653086 (1987-03-01), Laube
patent: 4677660 (1987-06-01), Yoshida
patent: 4692817 (1987-09-01), Theis

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