发明名称 照明装置、及び照明装置を備える画像読取装置
摘要 <P>PROBLEM TO BE SOLVED: To provide a lighting unit capable of realizing higher illuminance and high uniformity in illuminance, and to provide an image reader provided with the lighting unit. <P>SOLUTION: A lighting unit of one embodiment is provided with a light source part and a reflection member. The light source part comprises a light-emitting part formed linearly and emitting light. The reflection member comprises a reflection surface reflecting light emitted from the light-emitting part of the light source part, to a predetermined range. The reflection surface has a cross section in the shape of a bent line comprising a plurality of line segments along a reference ellipse having a long axis forming a predetermined angle with a direction perpendicular to the predetermined range, in a direction orthogonal to the longitudinal direction of the light-emitting part of the light source part. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP5665439(B2) 申请公布日期 2015.02.04
申请号 JP20100200042 申请日期 2010.09.07
申请人 发明人
分类号 H04N1/04;F21S2/00;F21V7/08;F21V7/09;G03B27/54 主分类号 H04N1/04
代理机构 代理人
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