Micro fiche indexer

Details Micro fiche indexer Micro fiche indexer

1977-09-19

1978-08-29

Haroian, Harry N.

Optics: image projectors

Selective data retrieval

Plural picture rows on single microcard

G03B 2308

Patent

active

041100212

ABSTRACT:
A micro fiche indexer which shifts a fiche containing a plurality of images in horizontal rows both laterally and vertically under the influence of a single operating member that is actuated by the user. It comprises a screen on which an enlarged reproduction of an image on the fiche is cast together with a light source included as a part of an optical system, and a microswitch which cuts out the light source as the fiche is shifted to bring into viewing position a new image. The operating mechanism for causing the shifting includes a pushbutton mounted in a cabinet below the screen and which is carried at one end of a lever that is pivoted on a fulcrum intermediate its ends, whereby the other end of the lever raises an actuating panel which, due to its upward movement, first shifts a holder in which the fiche is mounted laterally from one station to another and at the end of a row, moves the fiche holder vertically from one row to another.

REFERENCES:
patent: 3716293 (1973-02-01), Kitano et al.
patent: 3778141 (1973-12-01), Peterpaul

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