FR401933A -
Improvements in the mechanisms for determining rapid and intermittent driving movements of cinematographic tapes for taking and projecting cinematographic images
- Google Patents
Improvements in the mechanisms for determining rapid and intermittent driving movements of cinematographic tapes for taking and projecting cinematographic images
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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
G03B1/18—Moving film strip by means which act on the film between the ends thereof
G03B1/20—Acting means
G03B1/22—Claws or pins engaging holes in the film
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Physics & Mathematics
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General Physics & Mathematics
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FR401933D1909-04-101909-04-10
Improvements in the mechanisms for determining rapid and intermittent driving movements of cinematographic tapes for taking and projecting cinematographic images
ExpiredFR401933A
(en)
Improvements in the mechanisms for determining rapid and intermittent driving movements of cinematographic tapes for taking and projecting cinematographic images
Improvements in the mechanisms for determining rapid and intermittent driving movements of cinematographic tapes for taking and projecting cinematographic images