发明名称 Photographic image exposing apparatus
摘要 A photographic image exposing apparatus includes a white light source and a filtering device provided between the white light source and a photographic paper. The filtering device has color filters corresponding to respective light spectrums and is operable to interrupt a light beam traveling from the white light source to the photographic paper to separately allow the corresponding light spectrums to pass therethrough. A light amount adjuster is operable to change respective interrupting times of the color filters with respect to a predetermined exposing range.
申请公布号 US5790238(A) 申请公布日期 1998.08.04
申请号 US19970790345 申请日期 1997.01.27
申请人 NORITSU KOKI CO., LTD. 发明人 ISHIKAWA, MASAZUMI;TANIBATA, TORU
分类号 B41J2/525;B41J2/44;G03B27/46;G03B27/72;G03B27/73;H04N1/23;(IPC1-7):G03B27/72 主分类号 B41J2/525
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