a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter

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 > a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter

Child Classifications

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• G03B 7/14 setting of both shutter and diaphragm aperture being effected so as to give the optimum compromise between depth of field and shortness of exposure