发明名称 Camera system
摘要 A camera system of the kind adjusting flash light quantity comprises a focus detecting circuit which detects the focused state of each of a plurality of areas arranged within an image field, and a light measuring circuit which measures the luminance of each of the areas of the image field respectively. In the camera system, the light measurement outputs obtained from these areas are individually weighted according to the focused states of the areas detected, and the quantity of flash light is adjusted on the basis of the weighted outputs of the light measuring circuit.
申请公布号 US5111231(A) 申请公布日期 1992.05.05
申请号 US19900557172 申请日期 1990.07.23
申请人 CANON KABUSHIKI KAISHA 发明人 TOKUNAGA, TATSUYUKI
分类号 G03B7/099;G03B7/16 主分类号 G03B7/099
代理机构 代理人
主权项
地址
您可能感兴趣的专利