CH438011A - Dispositif de commande d'exposition pour un appareil photographique ou cinématographique
- Google Patents
Dispositif de commande d'exposition pour un appareil photographique ou cinématographique
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Publication number
CH438011A
CH438011ACH1439765ACH1439765ACH438011ACH 438011 ACH438011 ACH 438011ACH 1439765 ACH1439765 ACH 1439765ACH 1439765 ACH1439765 ACH 1439765ACH 438011 ACH438011 ACH 438011A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US404887Aexternal-prioritypatent/US3349682A/en
Priority claimed from US463454Aexternal-prioritypatent/US3348463A/en
Application filed by Kodak SafiledCriticalKodak Sa
Publication of CH438011ApublicationCriticalpatent/CH438011A/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
G—PHYSICS
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
G03B9/08—Shutters
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Shutters For Cameras
(AREA)
Diaphragms For Cameras
(AREA)
CH1439765A1964-10-191965-10-19Dispositif de commande d'exposition pour un appareil photographique ou cinématographique
CH438011A
(fr)
Perfectionnements à un dispositif pour régler automatiquement le pose-mètre incorporé d'un appareil photographique en fonction de la sensibilité du film