Accession Number : ADD006357
Title : Sealed, Super 8, Optical Sound, Projection Means.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC
Personal Author(s) : Everett,Seth L , Jr
Report Date : 17 Apr 1979
Pagination or Media Count : 13
Abstract : This patent discloses a film projector system including a sealed film cassette removeably mounted within an aperture in the projector and driving means in said projector mechanically engaging coupling means extending through said cassette for driving the sealed film between hubs sealed in said cassette intermittently past a film projection location in said cassette and continuously past a sound detection location therein, with the projection plane of the film at said projector locations being disposed normal to the projector optical projection optical sound beams and twisted ninety degrees with respect to the plane of that portion of the film wound on said hubs so that the projector beams do not pass between the film hubs.
Descriptors : *Patents, *Sound motion picture projectors, Cassettes, Sealed systems, Beams(Radiation), Drives
Subject Categories : Photography
Distribution Statement : APPROVED FOR PUBLIC RELEASE