发明名称 Light measuring device for camera
摘要 A light measuring device for camera so designed that by placing a plate whose reflection factor is different from that of the shutter curtain in front of the shutter curtain the distribution of the reflection factor of the shutter curtain is varied so as to vary the distribution of the light measurement.
申请公布号 US4431284(A) 申请公布日期 1984.02.14
申请号 US19820356513 申请日期 1982.03.09
申请人 CANON KABUSHIKI KAISHA 发明人 FUJIBAYASHI, KAZUO
分类号 G03B7/099;(IPC1-7):G03B7/08 主分类号 G03B7/099
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