Number printing device for photocopiers

Details Number printing device for photocopiers Number printing device for photocopiers

1987-05-04

1988-11-01

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 75, G03B 2752

Patent

active

047823666

ABSTRACT:
A device for consecutively numbering photocopies produced by a conventional zerographic photocopy machine. A multiple section chase is placed on a transparency which is to be photocopied and carries a counter head which provides a numerical display. The chase also carries a photocell which sense the light emitted each time the light bar of the photocopier is swept past the transparency to produce a copy. The output signal from the photocell is used to increment the count state of the counter each time a copy is made. The numerical display is copied along with the transparency so that the successive photocopies made by the machine are imprinted with sequential numbers. The chase sections have a dovetail tongue and groove construction which allows the chase to be properly sized and also permits the counter head to be located at any desired position and orientation the chase.

REFERENCES:
patent: 4029414 (1977-06-01), Rubenstein

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