Microform card alignment device

Details Microform card alignment device Microform card alignment device

1977-07-03

1978-06-13

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 25, 355 53, G03B 2732, G03B 2742

Patent

active

040946029

ABSTRACT:
A device for uniformly aligning each of a series of microform cards with a projected test pattern, including means for moving a card relative to said test pattern, and means for perforating the card while aligned.

REFERENCES:
patent: 1786070 (1930-12-01), Jones
patent: 2282768 (1942-05-01), Pickett
patent: 2866397 (1958-12-01), Gillette
patent: 3669537 (1972-06-01), Kobayashi
patent: 3798782 (1974-03-01), Lindahl

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