Optics: image projectors – Composite projected image – Slides and/or film superposed in projector
Patent
1975-04-24
1976-08-17
Haroian, Harry N.
Optics: image projectors
Composite projected image
Slides and/or film superposed in projector
35 28, G03B 2126
Patent
active
039750949
ABSTRACT:
An apparatus for composing composite illustrations includes a plurality of film strips having successive frames, each of which possesses a separate illustration, a registration mark, and a number identifying the frame. All of the film strips pass through a gate where they are superimposed on each other. One side of the gate is a light transmitting material which is illuminated by a light source. The other side of the gate is a transparent window having a separate registration mark for each film strip. When the registration marks on selected frames of the several film strips are aligned with their appropriate registration marks on the window, a composite illustration is formed and this illustration is visible through the window. The composite illustration may be altered by moving one or more of the film strips to bring other frames thereof into the proper position within the gate, that is, with the frame registration mark aligned with the appropriate window registration mark. For some film strips, several registration marks are provided on the window, to provide slight variations in the positions of the illustrations on the film strip with regard to the overall composite. Beyond each end of the gate the film strips are wound around separate spools which are rotated by a single advancing knob. A clutch mechanism is associated with each spool for connecting it with the advancing knob so that the film strips may be advanced in either direction individually. The apparatus is particularly useful in constructing composite portraits, in which case the illustrations on the film strips depict facial features with each film strip being devoted to variations of the same facial feature.
REFERENCES:
patent: 2063330 (1936-12-01), Nagel
patent: 2813457 (1957-11-01), Fitzgerald
patent: 3319550 (1967-05-01), Broche
patent: 3336681 (1967-08-01), Minasy
patent: 3597070 (1971-08-01), Slettebo
patent: 3687536 (1972-08-01), Gorrell
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