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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Optische Werke CA Steinheil Soehne GmbH
Original Assignee
Optische Werke CA Steinheil Soehne GmbH
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Filing date
Publication date
Application filed by Optische Werke CA Steinheil Soehne GmbHfiledCriticalOptische Werke CA Steinheil Soehne GmbH
Application grantedgrantedCritical
Publication of FR1119353ApublicationCriticalpatent/FR1119353A/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
G03B9/02—Diaphragms
G03B9/07—Diaphragms with means for presetting the diaphragm
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1119353D1954-03-041955-02-16Dispositif présélecteur de diaphragme utilisable sur les appareils photographiques
ExpiredFR1119353A
(fr)