Wide angle anamorphic display projection system

Details Wide angle anamorphic display projection system Wide angle anamorphic display projection system

1977-05-13

1978-12-12

Haroian, Harry N.

Optics: image projectors

Reflector

Plural

353 30, 353 94, 350295, G03B 2128

Patent

active

041293657

ABSTRACT:
The invention is a compact, low-cost optical arrangement providing a wide-angle, anamorphic, short-throw image projector and display system. The device includes novel circular cylindric mirrors whose focal lengths may readily be adjusted. Temperature and gravity compensation of the shape of the reflector surface is afforded. A pair of such mirrors disposed with mutually perpendicular axes may be selectively adjusted to control the width-to-height ratio of the final viewable image.

REFERENCES:
patent: 1785347 (1930-12-01), Herrschaft
patent: 2314272 (1943-03-01), Grudin
patent: 3031928 (1962-05-01), Kopito
patent: 3142223 (1964-07-01), Vetter
patent: 3161718 (1964-12-01), DeLuca
patent: 3514776 (1970-05-01), Mulready

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