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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K AND S SYNDICATE Ltd
Original Assignee
K AND S SYNDICATE Ltd
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Filing date
Publication date
Application filed by K AND S SYNDICATE LtdfiledCriticalK AND S SYNDICATE Ltd
Application grantedgrantedCritical
Publication of FR567419ApublicationCriticalpatent/FR567419A/fr
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
G03B9/00—Exposure-making shutters; Diaphragms
G03B9/08—Shutters
G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR567419D1923-06-141923-06-14Perfectionnements aux obturateurs pour appareils de projection cinématographiques
ExpiredFR567419A
(fr)