发明名称 IMAGE READER AND IMAGE FORMING APPARATUS
摘要 PROBLEM TO BE SOLVED: To prevent a fall in reading performance of a manuscript without influencing reading of image information of the manuscript even when not removing dust or the like in the case that dust or scratch exists on a reflective mirror reflecting toward a light receiving means by reflecting image light of the manuscript. SOLUTION: An image scanner is provided with a first reflective mirror 13b, a second reflective mirror 14a and a third reflective mirror 14b for reflecting the image light on an optical path M until the image light from the manuscript enters a CCD line sensor. It is also provided with an absorption member 13c being a reflective index lowering means on a reflective face reflecting the image light of the first reflective mirror 13b. The reflective index of the first reflective mirror 13b is lowered by absorbing a part of the image light shown by an arrow entering the reflective faces of the absorption member 13c and the first reflective mirror 13b with the absorption member 13c. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005084529(A) 申请公布日期 2005.03.31
申请号 JP20030318572 申请日期 2003.09.10
申请人 SHARP CORP 发明人 OKADA TOMOHIKO;TANAKA KENJI;KONO SATOSHI;NAKANISHI KENJI;NAKAJIMA NORITOMO
分类号 G02B5/08;G03B27/50;G06T1/00;H04N1/028;H04N1/10;H04N1/107;(IPC1-7):G03B27/50 主分类号 G02B5/08
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