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1. 发明公开

EP2557769A1 Image sensor unit and image reading apparatus 审中-公开
标题翻译：图像传感器单元和图像读取设备
公开(公告)号：EP2557769A1
公开(公告)日：2013-02-13
申请号：EP12179608.0
申请日：2012-08-08
申请人： Canon Components, Inc.
发明人： Shimoda, Shuuichi , Horiguchi, Tomoyuki , Yoshida, Hidemasa , Fujiwara, Akifumi , Takahashi, Hidehisa
IPC分类号： H04N1/028 , G07D7/12
CPC分类号： H04N1/0282 , G07D7/121 , H04N2201/0081 , H04N2201/03166 , H04N2201/0418
摘要： An image sensor unit performs image reading by reflected light and image reading by transmitted light with respect to a bill, and includes a reflection reading light guide that emits light from a reflection reading light source toward the bill, a transmission reading light guide that emits light from a transmission reading light source toward the bill, an imaging element that focuses light from the bill, and a light receiving element that receives light that is collected by the imaging element. The transmission reading light source and the transmission reading light guide are disposed on the opposite side of a conveyance path through which the bill can pass, for the reflection reading light source and the reflection reading light guide, and a light blocking member that blocks a part of the light from the reflection reading light guide is disposed between the reflection reading light guide and the transmission reading light guide.
摘要翻译：图像传感器单元通过反射光进行图像读取并且通过透射光对纸币进行图像读取，并且包括：反射读取光导，其从反射读取光源向纸币发射光;透射读取光导，其发射光从传送读取光源朝向纸币传送来自纸币的光的成像元件以及接收由成像元件收集的光的光接收元件。透射型读取光源和透射型读取光导设置在纸币能够通过的输送路径的相反侧，用于反射读取光源和反射型读取光导，以及遮光部件，来自反射读取光导的光被设置在反射读取光导与透射读取光导之间。

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