G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B1/00—Film strip handling
G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
G03B1/48—Gates or pressure devices, e.g. plate
Landscapes
Physics & Mathematics
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General Physics & Mathematics
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Financial Or Insurance-Related Operations Such As Payment And Settlement
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Diaphragms For Electromechanical Transducers
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