发明名称 Metering device of a camera
摘要 A metering device of a camera comprises first metering means for effecting metering while dividing an object into a plurality of areas and producing a first metering output which determines the exposure of the object on the basis of a plurality of photoelectric outputs corresponding to the areas, second metering means for metering the central partial area of the object and producing a second metering output corresponding to the partial area, an operating member operated by the operator to stop down the stop of a photo-taking lens which is in its open condition to a preset aperture value, and change-over means including means responsive to the operating member and selecting the first metering output when the stop of the photo-taking lens is in its open condition and selecting the second metering output when the stop has been stopped down to the preset aperture value.
申请公布号 US4561752(A) 申请公布日期 1985.12.31
申请号 US19840629897 申请日期 1984.07.11
申请人 NIPPON KOGAKU K.K. 发明人 MIYAMOTO, HIDENORI;SAEGUSA, TAKASHI
分类号 G03B7/08;G03B7/099;G03B7/28;(IPC1-7):G03B7/08 主分类号 G03B7/08
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