发明名称 Photographic enlarger
摘要 A photographic enlarger for carrying out a printing operation using exposure data fed directly from an external analyzer by converting the data into suitable exposure data for the enlarger. The enlarger can function efficiently even when a condition of the optical system of the enlarger, for example, the magnification or aperture size, of the optical system, is changed.
申请公布号 US4975730(A) 申请公布日期 1990.12.04
申请号 US19890408480 申请日期 1989.09.15
申请人 MINOLTA CAMERA CO., LTD. 发明人 NARUSE, KAZUHIRO;KAWAMURA, TAKETOSHI
分类号 G03B27/72;G03B27/73 主分类号 G03B27/72
代理机构 代理人
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