Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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D APPLIC PHOTOGRAPHIQUES SOC I
Original Assignee
D APPLIC PHOTOGRAPHIQUES SOC I
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Filing date
Publication date
Application filed by D APPLIC PHOTOGRAPHIQUES SOC IfiledCriticalD APPLIC PHOTOGRAPHIQUES SOC I
Application grantedgrantedCritical
Publication of FR632373ApublicationCriticalpatent/FR632373A/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
G03B1/00—Film strip handling
G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR632373D1926-07-221926-07-22
Improvements to film drive devices in cinematographic projectors
ExpiredFR632373A
(en)