Optics: image projectors – Film gate
Patent
1986-11-20
1988-04-05
Haroian, Harry N.
Optics: image projectors
Film gate
353 27R, 353120, 353119, 353 98, G03B 2114
Patent
active
047354992
ABSTRACT:
A film carrier support mechanism for a film projector of the type having an upper cylindrical member for accommodating a light source, and a lower cylindrical member for accommodating an optical arrangement for projection. The light source is adapted to project a picture stored in any of multiple frames of a film. A support member is interposed between the upper and lower bodies for supporting a film carrier, which receives therein a film to be projected, such that the film carrier is movable in a two-dimensional direction in a plane which is perpendicular to the optical axis of the optical arrangement. The support member includes guide elements which cooperate with the film carrier to guide the film carrier in a lengthwise direction of the film, while the film carrier is in a predetermined position with respect to a direction perpendicular to a lengthwise direction thereof.
REFERENCES:
patent: 2177638 (1939-10-01), Draeger
patent: 2744444 (1956-05-01), Breitman
patent: 2782680 (1957-02-01), Howell
patent: 3164058 (1965-01-01), Kosowsky
patent: 3301128 (1967-01-01), Brandt et al.
patent: 3720463 (1973-03-01), Taylor
patent: 3741637 (1973-06-01), Katsuragi
patent: 3807850 (1974-04-01), Ozeki
Fuji Photo Film Co. , Ltd.
Haroian Harry N.
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