发明名称 Image reading imaging optical system and image reading apparatus using the same
摘要 <p>An image reading imaging optical system for imaging image information on a line sensor and reading the image information has an imaging optical element including a plurality of off-axial reflecting surfaces differing in the direction of incidence and the direction of emergence of a reference axis ray from one another and having curvatures. <IMAGE></p>
申请公布号 EP1239655(A3) 申请公布日期 2004.09.08
申请号 EP20020251481 申请日期 2002.03.04
申请人 CANON KABUSHIKI KAISHA 发明人 FUJIBAYASHI, KAZUO;TOCHIGI, NOBUYUKI
分类号 G02B17/00;G02B17/02;G02B17/06;G02B17/08;H04N1/028;H04N1/03;H04N1/04;H04N1/19;(IPC1-7):H04N1/03 主分类号 G02B17/00
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