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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
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FR1197148D1958-05-071958-05-07Dispositif de commande automatique de l'ouverture d'un diaphragme d'objectif
ExpiredFR1197148A
(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