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Zeiss Ikon VEB
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Zeiss Ikon VEB
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Application filed by Zeiss Ikon VEBfiledCriticalZeiss Ikon VEB
Application grantedgrantedCritical
Publication of FR1130190ApublicationCriticalpatent/FR1130190A/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
G03B9/00—Exposure-making shutters; Diaphragms
G03B9/58—Means for varying duration of "open" period of shutter
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1130190D1955-08-221955-08-22
Cocking device for photographic lens shutters
ExpiredFR1130190A
(en)