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Publication date
Application filedfiledCritical
Priority to JP1972109949UpriorityCriticalpatent/JPS5332015Y2/ja
Priority to DE2344151Aprioritypatent/DE2344151C3/de
Priority to GB4360573Aprioritypatent/GB1451362A/en
Priority to US397985Aprioritypatent/US3911449A/en
Publication of JPS4966431UpublicationCriticalpatent/JPS4966431U/ja
Application grantedgrantedCritical
Publication of JPS5332015Y2publicationCriticalpatent/JPS5332015Y2/ja
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
G03B9/58—Means for varying duration of "open" period of shutter