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Voigtlander AG
Original Assignee
Voigtlander AG
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Application filed by Voigtlander AGfiledCriticalVoigtlander AG
Application grantedgrantedCritical
Publication of FR1183048ApublicationCriticalpatent/FR1183048A/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)
FR1183048D1956-07-071957-07-05Appareil photographique <reflex> mono-objectif à optique interchangeable et dispositif présélecteur de diaphragme
ExpiredFR1183048A
(fr)
Dispositif de réglage automatique de l'ouverture d'un diaphragme, notamment du diaphragme de l'objectif d'un appareil de prise de vues photographique ou cinématographique
Appareil photographique réflexe à miroir comportant un dispositif pour le réglage automatique du diaphragme présélectionné d'objectifs interchangeables