CH418118A - Dispositif de commande photoélectrique, notamment pour une caméra photographique ou cinématographique
- Google Patents
Dispositif de commande photoélectrique, notamment pour une caméra photographique ou cinématographique
Info
Publication number
CH418118A
CH418118ACH553463ACH553463ACH418118ACH 418118 ACH418118 ACH 418118ACH 553463 ACH553463 ACH 553463ACH 553463 ACH553463 ACH 553463ACH 418118 ACH418118 ACH 418118A
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
Application filed by Kodak SafiledCriticalKodak Sa
Publication of CH418118ApublicationCriticalpatent/CH418118A/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)
Shutters For Cameras
(AREA)
CH553463A1962-05-021963-05-02Dispositif de commande photoélectrique, notamment pour une caméra photographique ou cinématographique
CH418118A
(fr)