Circuit for adapting facsimile machine to be connected to a data

Details Circuit for adapting facsimile machine to be connected to a data Circuit for adapting facsimile machine to be connected to a data

1994-05-04

1997-04-01

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Facsimile system interface

358446, 379 93, H04N 132

Patent

active

056172222

ABSTRACT:
A facsimile machine adapted to be connected to a data transmission line ( which it shares with a terminal (18), comprising connecting means (1, 20, 40) adapted to be connected, at the input, to the line (19) and to transmit, to a data processing interface (80) of the facsimile machine, differential signaling signals of the line (19) in order, as a function of these signals, directly to connect the interface (80) to the line (19), in which the connecting means (1, 20, 40) comprise a differential amplifier (20) connected to the line (19) by two high-impedance inputs.

REFERENCES:
patent: 4149030 (1979-04-01), Foreman
patent: 4788714 (1988-11-01), Hashimoto
patent: 5018189 (1991-05-01), Kurosawa et al.
patent: 5473676 (1995-12-01), Frick et al.

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