Optics: image projectors – Cabinet encloses projector and one side of screen
Patent
1986-11-05
1988-07-12
Harojan, Harry N.
Optics: image projectors
Cabinet encloses projector and one side of screen
353119, 353 25, 353 27R, G03B 2100
Patent
active
047566159
ABSTRACT:
A portable microform reader 10 comprising a foldable frame 12. The frame includes a view screen 14 and a microform holder 18. A microform 38 is illuminated by a light package 80 and an image of a portion of the microform 38 is projected through pick up lens 48. A fiber optic cable 22 carries the image from the objective lens 48 to a focusing lens 52 which projects a magnified image onto the view screen 14. Pickup lens assembly 20 is moved manually to view different areas of the microform.
REFERENCES:
patent: 2472098 (1949-06-01), Duncan
patent: 3016785 (1962-01-01), Kapany
patent: 3143589 (1964-08-01), Brault et al.
patent: 3267801 (1966-08-01), Abbott, Jr. et al.
patent: 3680948 (1972-08-01), Sussman et al.
patent: 3791728 (1974-02-01), Kaye et al.
patent: 3897144 (1975-07-01), Hicks
Harojan Harry N.
Morris Jules J.
Singer Donald J.
The United States of America as represented by the Secretary of
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