Desk top microform reader

Optics: image projectors – Structurally related projector and screen

Patent

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Details

353119, G03B 2124

Patent

active

046182322

ABSTRACT:
A desk top microfilm reader for use on horizontal flat surfaces having a housing structure which encloses projection means and microfilm receiving means. A supporting arm extends from the housing structure to reflect images projected from the housing structure onto a flat planar surface which is only optically connected to the projection means. Both the microfilm and the projection surface are in horizontal planes.

REFERENCES:
patent: 2258382 (1941-10-01), Goebel
patent: 2712266 (1955-07-01), Cherouvrier
patent: 3733121 (1973-05-01), Smitzer
patent: 3941466 (1976-03-01), Shah
patent: 4133605 (1979-01-01), Wiggin
patent: 4312578 (1982-01-01), Wells et al.

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