Slide projector for wall projection and groundglass plate projec

Details Slide projector for wall projection and groundglass plate projec Slide projector for wall projection and groundglass plate projec

1992-07-02

1993-08-10

Cuchlinski, Jr., William A.

Optics: image projectors

Selective projection on distant or cabinet screen

353 78, 353 74, 353119, G03B 2130

Patent

active

052353621

ABSTRACT:
A slide projector which is suitable for both wall projection and ground-glass plate projection has a displacement means carrying a deflection mirror system and a ground-glass plate. The displacement means is movable between a collapsed condition in which the displacement means with mirror system and ground-glass plate is in a compact configuration in a housing compartment beneath the projector, for wall projection purposes, and a deployed condition for ground-glass plate projection purposes, in which the displacement means is moved out of the housing compartment into a position in which the mirror system and the ground-glass plate are in front of the lens system of the projector.

REFERENCES:
patent: 4572632 (1986-02-01), Bodier et al.
patent: 4640597 (1987-02-01), Okaro et al.
patent: 4810086 (1989-03-01), Tachibara et al.
patent: 5004336 (1991-04-01), Saijo et al.

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