Slide projector

Details Slide projector Slide projector

1979-09-05

1981-06-23

Stephan, Steven L.

Optics: image projectors

Slide transfer mechanism

353 86, 353 90, 353104, 353112, 353DIG1, G03B 2302, G03B 2114

Patent

active

042747198

ABSTRACT:
A series of slides are placed in a vertical loader and are movable alternatively into respective ones of two projection positions. Each slide is moved laterally of the loader by a carriage, then pushed to the projection position by a push rod. During projection the following slide in the loader is similarly moved to the other projection position. After its projection, the first slide is brought back by a further push rod to its carriage and then is moved by the carriage to be deposited in a receptacle and be replaced by a new slide which will be moved into the same projection position.

REFERENCES:
patent: 3093030 (1963-06-01), Carrillo
patent: 3264937 (1966-08-01), Antos
patent: 3501231 (1970-03-01), Fisher
patent: 3501232 (1970-03-01), Jackson
patent: 3782816 (1974-01-01), Costanza

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