Apparatus for making microfiches

Details Apparatus for making microfiches Apparatus for making microfiches

1974-03-22

1976-01-27

Horan, John M.

Photocopying

Contact printing

Light boxes

355 75, 355 79, 353 35, G03B 1500

Patent

active

039355837

ABSTRACT:
A method and apparatus for producing a composite microfiche including a first emulsion bearing lamina on which one or more permanent data image frames are located and a second emulsion bearing lamina on which one or more updating data image frames are located, wherein the image or images on the first lamina are inverted and in different planar positions with respect to the image or images on the second lamina such that when the emulsion on the first lamina is superimposed on the emulsion on the second lamina, the laminae can be read together as one microfiche, the images appearing in the different planar positions in a substantially common focal plane.
A three-reflective surface microfiche image inverter is also provided.

REFERENCES:
patent: 240374 (1881-04-01), Brigham
patent: 666788 (1901-01-01), Aberli
patent: 1736445 (1929-11-01), Jannenga
patent: 3014302 (1961-12-01), Hughes
patent: 3499377 (1970-03-01), Esses
patent: 3524703 (1970-08-01), Wright
patent: 3574459 (1971-04-01), Hartwig

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