Slide projector controllable of its projection time

Details Slide projector controllable of its projection time Slide projector controllable of its projection time

1973-11-05

1976-02-17

Aegerter, Richard E.

Optics: image projectors

Slide transfer mechanism

Slides reciprocated horizontally

353116, 353103, G03B 2304

Patent

active

039388867

ABSTRACT:
In a slide projector a plurality of slide films contained in a tray are successively selected and shifted to a projected position. A switch is provided which controls movement through a clutch to a running motor of each slide film between its tray-stored position and its projection position and also movement of the tray itself. This switch serves also as a switch for resetting a timer which holds each slide film in its projected position for any desired time.

REFERENCES:
patent: 3115811 (1963-12-01), Mulch
patent: 3632199 (1972-01-01), Peterson

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