Two speed, duel purpose document handling system

Details Two speed, duel purpose document handling system Two speed, duel purpose document handling system

1975-02-13

1977-01-04

Hix, L. T.

Photocopying

Including fiber optics

271275, 355 14, 355 75, G03G 1530

Patent

active

040009432

ABSTRACT:
A document handling system for use in a document reproducing machine includes an endless belt conveyor for conveying original documents to the platen of the machine. A magnetic sensor magnetically senses the speed of the photoreceptor drum of the machine and maintains the speed of a servomotor which drives the conveyor belt through a servo amplifier at a speed which is synchronized with the drum, whereby, in a first mode of operation the optics of the machine may be fixed and the original document may be driven across the platen at a speed synchronized to the speed of the drum. A second larger motor may also drive the conveyor belt, in the alternative, at a higher speed through the servomotor in a second mode of operation in which the original document is fed at high speed to the platen and there is held stationary and is scanned by moving optics.

REFERENCES:
patent: 3468408 (1969-09-01), Hammond et al.
patent: 3674363 (1972-07-01), Baller et al.
patent: 3768904 (1973-10-01), Rodek
patent: 3909128 (1975-09-01), Sohm

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