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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Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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Filing date
Publication date
Application filed by Jos Schneider Optische Werke GmbHfiledCriticalJos Schneider Optische Werke GmbH
Application grantedgrantedCritical
Publication of FR1136631ApublicationCriticalpatent/FR1136631A/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)
FR1136631D1955-01-221955-11-30Tube porte-objectif avec dispositif de présélection du diaphragme
ExpiredFR1136631A
(fr)