发明授权
US5006879A Electronic flash lighting device for camera 失效
照相机电子闪光照明装置

Electronic flash lighting device for camera
摘要:
An electronic flash lighting device for a camera comprises a first light measuring device for measuring the brightness of a field to be photographed, prior to flash emission, and a second light measuring device for measuring the brightness of a plurality of divided areas of the field during flash emission and producing a corresponding plurality of signals. These signals are weighted in accordance with the measurement performed by the first light measuring device, and the flash emission is stopped in accordance with the weighted signals.
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