Portable microfiche reader with foldup lens and mirror assembly

Details Portable microfiche reader with foldup lens and mirror assembly Portable microfiche reader with foldup lens and mirror assembly

1976-11-11

1978-12-19

Haroian, Harry N.

Optics: image projectors

Structurally related projector and screen

G03B 2124

Patent

active

041303520

ABSTRACT:
A portable microfiche reader that has a lens and mirror assembly in a housing, pivotally mounted to swing between two positions. When the assembly is swung into one stable position, the mirror and lens system is stored in a position where it interposes no added thickness to the microfiche reader case. When the assembly is swung into another stable position, the lens and mirror are accurately positioned with respect to a microfiche in a reading position. This way, the reader case may be designed to have only the minimum thickness required by the screen, microfiche carriage, and light source. Automatic means are provided to open the fiche-holding glass flats when the carrier is moved forward.

REFERENCES:
patent: 2847902 (1958-08-01), D'Incerti
patent: 3743399 (1973-07-01), Smith
patent: 3836242 (1974-09-01), Kluver

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