发明授权
- 专利标题： Image reading apparatus and reference member foreign matter detecting method
- 专利标题（中）： 图像读取装置和参考构件异物检测方法
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申请号： US10937446申请日： 2004-09-10
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公开(公告)号： US07619785B2公开(公告)日： 2009-11-17
- 发明人: Minoru Sodeura , Satoshi Mizuhashi , Yasuhisa Mizuta , Yoshitake Matsubara , Sadao Furuoya , Ayumi Onishi , Masato Saito , Hiroshi Hagiwara
- 申请人： Minoru Sodeura , Satoshi Mizuhashi , Yasuhisa Mizuta , Yoshitake Matsubara , Sadao Furuoya , Ayumi Onishi , Masato Saito , Hiroshi Hagiwara
- 申请人地址： JP Tokyo
- 专利权人： Fuji Xerox Co., Ltd.
- 当前专利权人： Fuji Xerox Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oliff & Berridge, PLC
- 优先权： JP2004-082860 20040322
- 主分类号： H04N1/04
- IPC分类号： H04N1/04 ; H04N1/40
摘要：
An image reading apparatus includes: a light source that irradiates a document; a sensor that receives reflection light reflected from the document; a reference member that is read by the sensor; and an abnormal site detection unit that detects, using first reading data acquired by reading the reference member according to a first reading condition set to the light source or the sensor and second reading data acquired by reading the reference member according to a second reading condition, which is different from the first reading condition, set to the light source or the sensor, abnormal sites in the first reading data or the second reading data.
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