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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Kamera und Kinowerke Dresden VEB
Original Assignee
Kamera und Kinowerke Dresden VEB
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Filing date
Publication date
Application filed by Kamera und Kinowerke Dresden VEBfiledCriticalKamera und Kinowerke Dresden VEB
Priority to FR875419ApriorityCriticalpatent/FR1306780A/fr
Application grantedgrantedCritical
Publication of FR1306780ApublicationCriticalpatent/FR1306780A/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
G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
G03B7/081—Analogue circuits
G03B7/085—Analogue circuits for control of aperture
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR875419A1961-10-091961-10-09Diaphragme d'objectif avec posemètre accouplé pour appareil photographique
ExpiredFR1306780A
(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