Multi-screen projector

Details Multi-screen projector Multi-screen projector

1989-04-14

1990-04-24

Wintercorn, Richard A.

Optics: image projectors

Plural projection paths with single light source

353 94, G03B 2160

Patent

active

049195182

ABSTRACT:
A multi-screen projector composed of a plurality of unit module projectors piled up one upon another in the vertical direction. Each unit module projector includes a Fresnel lens sheet, lenticular sheet, and prism sheet interposed therebetween such that a light is incident to the Fresnel lens sheet and outputted from the lenticular sheet. The prism angle of the prism sheet of the unit module projector disposed at a higher position is set larger than that disposed at a lower position, and the main output light from the prism sheet is made at least parallel with the incident light direction or deflected downward relative to the incident light direction.

REFERENCES:
patent: 1938950 (1933-12-01), Wright
patent: 3830556 (1974-08-01), Bratkowski
patent: 3909525 (1975-09-01), Fagan
patent: 4166694 (1979-09-01), Horning
patent: 4374609 (1983-02-01), Lange
patent: 4387959 (1983-06-01), Lange et al.
patent: 4475791 (1984-10-01), Nixon
patent: 4512631 (1985-04-01), Van Breemen
patent: 4536056 (1985-08-01), Oguino
patent: 4725134 (1988-02-01), Ogino

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