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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GAETAN JOSEPH FORTUNE MARIE MA
Original Assignee
GAETAN JOSEPH FORTUNE MARIE MA
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Filing date
Publication date
Application filed by GAETAN JOSEPH FORTUNE MARIE MAfiledCriticalGAETAN JOSEPH FORTUNE MARIE MA
Application grantedgrantedCritical
Publication of FR5463EpublicationCriticalpatent/FR5463E/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
G03B9/28—Roller blind or flexible plate
G03B9/30—Single blind with multiple slots or other aperture
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR5463D1900-10-151905-11-16Système perfectionné d'obturateur à double rideau ne démasquant pas l'objectif
ExpiredFR5463E
(fr)