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DUCHATELLIER PIERRARD ET CIE S
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DUCHATELLIER PIERRARD ET CIE S
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Application filed by DUCHATELLIER PIERRARD ET CIE SfiledCriticalDUCHATELLIER PIERRARD ET CIE S
Application grantedgrantedCritical
Publication of FR606706ApublicationCriticalpatent/FR606706A/en
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
G03B19/00—Cameras
G03B19/18—Motion-picture cameras
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR606706D1925-11-191925-11-19
Improvements to cinematographic devices
ExpiredFR606706A
(en)