Manifold analog/digital facsimile apparatus

Details Manifold analog/digital facsimile apparatus Manifold analog/digital facsimile apparatus

1986-02-27

1988-05-24

Masinick, Michael A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358280, H04N 100

Patent

active

047469862

ABSTRACT:
A manifold facsmile apparatus capable of selectively communication with a G3 analog facsimile apparatus and a G4 digital facsimile apparatus. The manifold apparatus includes an analog interface adapted for connection with an analog communication network and a digital interface adapted for connection with a digital communication network. The two interfaces are selectively connected to a communication control unit so that the apparatus is connectable to the analog network or the digital network. When called at the same time over the analog and the digital networks, the control unit gives priority to the digital network, Further, the control unit is capable of selectively performing data link control necessary for communication with the G3 analog terminal and data link control necessary for communication with the G4 digital terminal. The control unit is allowed to enter into G4 digital facsimile data link contol within a predetermined period of time after the generation of a call and, upon the lapse of that period of time, starts on G3 analog facsimile data link control, thereby performing either one of the two data link controls,. That particular period of time is short enough to prevent timer overflow in a G3 analog terminal.

REFERENCES:
patent: 4491873 (1985-01-01), Takayama
patent: 4583124 (1986-04-01), Tsuji
patent: 4611246 (1986-09-01), Nihei

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