Overhead projector with automatic document positioner

Details Overhead projector with automatic document positioner Overhead projector with automatic document positioner

1993-11-12

1994-08-16

Cuchlinski, Jr., William A.

Optics: image projectors

Slide transfer mechanism

353113, 353DIG5, G03B 2304

Patent

active

053391225

ABSTRACT:
An overhead projector for projecting images contained on media. The projector includes a housing having first and second image media storage cassettes and a platen which moves between those cassettes. A lifter is mounted between the cassettes for lifting the media from the first or second cassette onto the platen for projection. The lifter includes a lifting drive and a media gripping device. An image projector is movably mounted to the housing and positionable over the first or second cassette to project an image from media positioned on the platen to a view area. The projector includes a movable arm containing an illumination source, mirror and lens. Image media contained in a cassette can be sequenced from that cassette to the other by lifting onto the platen, from the cassette, projected and deposited in the other cassette either manually, remotely, automatically, or semiautomatically.

REFERENCES:
patent: 3110217 (1963-11-01), Millner et al.
patent: 3531193 (1970-09-01), Diehl
patent: 4756616 (1988-07-01), Min et al.
patent: 5059020 (1991-10-01), Genieis
patent: 5198846 (1993-03-01), Zilber

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