Overhead projector

Details Overhead projector Overhead projector

1994-03-07

1995-05-09

Cuchlinski, Jr., William A.

Optics: image projectors

Housing

353 70, 353DIG4, G03B 2100

Patent

active

054144809

ABSTRACT:
An overhead projector has a flat stage, for placing a sheet material thereon, which is inclined such that a normal line of the flat stage, which is in alignment with the optical axis of the projection lens, inclines an angle relative to a vertical line so that a reflection mirror disposed above the projection lens at an angle of 45 degrees directs an image projected by the projection lens toward a remote screen at a desired angle of elevation.

REFERENCES:
patent: 3930723 (1976-01-01), Holt
patent: 4002408 (1977-01-01), Amma
patent: 4795252 (1989-01-01), Kyhl
patent: 4863263 (1989-09-01), Kanai

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