Collapsible microfilm reader

Details Collapsible microfilm reader Collapsible microfilm reader

1977-04-27

1978-12-26

Stephan, Steven L.

Optics: image projectors

Projector or screen removable from common housing

353 79, G03B 2130

Patent

active

041313488

ABSTRACT:
A collapsible microfilm reader having a lower body part with a micro-fiche projector and a cover hinged thereto and having a rectangular projection surface or screen on its inner surface which is operatively positioned when the cover is in its open position. The hinge or hinges which connect the body and cover are readily disconnectable and connectable so that the cover can selectively be mounted on the body with the long or short axis of the screen aligned with the central axis of the projector thereby permitting the optimum projection of micro-fiches of different formats by changing when necessary the orientation of the positioning of the cover on the body rather than requiring different positioning of micro-fiches of different formats with respect to the projector.

REFERENCES:
patent: 2506169 (1950-05-01), Perillo

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