Transparency cassette and viewer or projector

Details Transparency cassette and viewer or projector Transparency cassette and viewer or projector

1975-12-29

1980-10-21

Stephan, Steven L.

Optics: image projectors

Slide transfer mechanism

Feeder magazine and receiver magazine

353120, 353DIG1, 40511, G03B 2302, G09F 1130

Patent

active

042290848

ABSTRACT:
A cassette, cartridge, box or magazine for storing and projecting transparencies or slides as well as a viewer or projector, the cassette and the viewer or projector matching each other. Said cassette having two compartments for stacks of slides and a structure connecting said compartments and being provided with a passage for moving the slides one by one from the bottom of one compartment to the other compartment and preferably from the top of the last named compartment to the first named compartment through a second passage. The connecting structure being adapted for attachment to a projector or viewer with a slide in said passage being arranged between a light source and a focussing lens. The viewer or projector being provided with means for pushing the slides one by one from one compartment through the passage into the other compartment.

REFERENCES:
patent: 3862800 (1975-01-01), Carr

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