Visualizer

Details Visualizer Visualizer

1975-12-18

1977-09-27

Stephan, Steven L.

Optics: image projectors

Composite projected image

Slides and/or film superposed in projector

G03B 2126

Patent

active

040507980

ABSTRACT:
A visualizer apparatus for composing composite illustrations has a housing with a viewing tunnel and a lamp house therein and a film gate between the tunnel and lamp house. A plurality of film strips having illustrations thereon pass through the film gate where they are superimposed on each other to form a composite illustration which is visible through the tunnel. Beyond both ends of the film gate, these film strips are wound around spools which are also within the housing. Each spool has a spool pulley which normally rotates freely relative to it, and all of the spool pulleys are connected to an electric drive motor by a series of belts. The spools are individually engageable with their spool pulleys so that the film strips may be advanced one at a time in either direction to vary the composite illustration formed in the gate. The lamp house and viewing tunnel slide out of the housing, as does a lamp assembly which is in the lamp house.

REFERENCES:
patent: 1704814 (1929-03-01), Wellman
patent: 1965875 (1934-07-01), Behymer
patent: 2813457 (1957-11-01), Fitzgerald
patent: 3336681 (1967-08-01), Minasy
patent: 3687536 (1972-08-01), Gorrell et al.

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