Method and apparatus for reading and copying documents having di

Details Method and apparatus for reading and copying documents having di Method and apparatus for reading and copying documents having di

1990-09-25

1992-07-14

Fuller, Benjamin R.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358498, 355 75, 355311, H04N 123, G03B 2753

Patent

active

051308070

ABSTRACT:
In an image read method and device for reading an image on an original, more particularly large size original, pairs of transfer rollers are detachably provided on the insert side and the original discharge side of a platen roller, which is detachably disposed facing a platen glass. Sensors for sensing positions of an original transferred by the transfer roller pairs and the platen roller are provided. Touching and detaching between the transfer roller pairs and the platen roller are sequentially controlled according to the positions of the original as sensed by the sensor.

REFERENCES:
patent: 3695754 (1972-10-01), Washio et al.
patent: 3947111 (1976-03-01), Hoppner
patent: 4485949 (1984-12-01), Gebhart et al.
patent: 4551010 (1985-11-01), Miyashita et al.
patent: 4926270 (1990-05-01), Sakamoto
patent: 4963726 (1990-10-01), Checchetti
patent: 4969048 (1990-11-01), Hoshino
patent: 4970606 (1990-11-01), Shima
patent: 4977463 (1990-12-01), Fukuda

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