发明名称 ILLUMINATION APPARATUS AND APPEARANCE INSPECTION APPARATUS INCLUDING THE SAME
摘要 An illumination apparatus which illuminates a surface of an object having a three-dimensional shape includes a light source, a guide configured to guide light from the light source to a surface of the object, and a diffuser which has a diffusion-reflection surface that faces a light exit surface of the guide via the object, wherein the diffuser is arranged at such a position that the light which is emitted from the guide and is not directly incident on the object is incident on the diffusion-reflection surface while a part of the light reflected and diffused by the diffusion-reflection surface is incident on a surface of the object.
申请公布号 US2010111515(A1) 申请公布日期 2010.05.06
申请号 US20090612601 申请日期 2009.11.04
申请人 CANON KABUSHIKI KAISHA 发明人 SAITOH KENJI;YOSHIKAWA HIROSHI
分类号 G03B15/03;F21V11/00 主分类号 G03B15/03
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