Optical projection viewing system

Details Optical projection viewing system Optical projection viewing system

1982-05-20

1984-05-22

Haroian, Harry N.

Optics: image projectors

Microprojector

353 79, 353119, G02B 2136

Patent

active

044497997

ABSTRACT:
An optical projection viewing system of the type having a rotating lenticular screen mounted in an adjustable viewing housing is provided. The height of the front of the viewing housing is adjustable up and down to adjust to the proper eye level of the user. The optical path of the system is provided with structure which automatically changes the direction of the optical path to automatically adjust for height adjustment of the viewing housing.

REFERENCES:
patent: 2170967 (1939-08-01), Eppenstein et al.
patent: 2304921 (1942-12-01), Hopkins
patent: 2427256 (1947-08-01), Butscher
patent: 2950650 (1960-08-01), Klein
patent: 3597093 (1971-08-01), Wolf
patent: 3789140 (1974-01-01), McQueen et al.
patent: 4099831 (1978-07-01), Freeman
patent: 4135778 (1979-01-01), Lincoln
patent: 4174889 (1979-11-01), Peters

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