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Application filed by Bolex Internat S AfiledCriticalBolex Internat S A
Application grantedgrantedCritical
Publication of AT308530BpublicationCriticalpatent/AT308530B/de
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
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R5/00—Instruments for converting a single current or a single voltage into a mechanical displacement
G01R5/10—String galvanometers
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Measuring Instrument Details And Bridges, And Automatic Balancing Devices
(AREA)
AT211371A1970-03-201971-03-11Schaltungsanordnung zur automatischen Blendensteuerung in photographischen und kinematographischen Kameras
AT308530B
(de)