Analogue circuits

Full Title

Control of exposure by setting shutters, diaphragms or filters, separately or conjointly (control of exposure in television cameras by means of circuitry influencing the optical part of the camera H04N23/75) > 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 > Analogue circuits

Child Classifications

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• G03B 7/083 for control of exposure time
• G03B 7/085 for control of aperture
• G03B 7/087 for control of both exposure time and aperture
• G03B 7/089 for storage of exposure value in mirror reflex cameras