Double document feed detection for a document handler in a repro

Details Double document feed detection for a document handler in a repro Double document feed detection for a document handler in a repro

1977-08-30

1979-05-08

Schacher, Richard A.

Sheet feeding or delivering

Feeding and delivering

Separator and conveyor

271259, 271265, B65H 702

Patent

active

041532414

ABSTRACT:
A control system for a document handler in a reproduction machine. As the document handler transports a set of originals to an exposure platen, a counter is incremented and stores the total number of documents placed on the platen for the set. If it is desired to recycle the set to the platen again, the machine compares the document totals for each set cycle to insure that they are the same thereby checking for erroneous double document feeds.

REFERENCES:
patent: 3709485 (1973-01-01), Acquaviva
patent: 4026543 (1977-05-01), Leclere

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