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1. 发明授权

US07519213B2 Optical double feed detection 有权
标题翻译：光学双进料检测
公开(公告)号：US07519213B2
公开(公告)日：2009-04-14
申请号：US10530287
申请日：2004-03-02
申请人： Hansjorg Klock , Peter Dilwyn Evans , Joelle Egli
发明人： Hansjorg Klock , Peter Dilwyn Evans , Joelle Egli
IPC分类号： G06K9/00
CPC分类号： B65H7/125 , B65H2553/40 , B65H2701/1912
摘要： In an apparatus for processing banknotes or other sheet-like objects, the banknotes are conveyed along a transport path, thereby passing sensor means. A transmission and a reflection image of the banknote are captured by illuminating the banknotes and measuring the transmittive and reflective light intensity of light with a high resolution. Based on these images, a validation of the banknotes is carried out. After the validation, a double feed detection is performed by evaluating the transmission and the reflection intensities for a predefined set of test spots with a two-dimensional evaluation. If it is decided on double feed, the banknotes are rejected. Otherwise the banknotes are accepted and further processed. Because of the additional dimension in the evaluation compared with known double detection methods, the invention enables a more robust double note detection also in cases with different degrees of soiling of the banknotes.
摘要翻译：在用于处理纸币或其他片状物品的装置中，纸币沿输送路径输送，从而通过传感器装置。通过照射纸币并以高分辨率测量光的透射和反射光强度来捕获纸币的透射和反射图像。基于这些图像，执行纸币的验证。在验证之后，通过利用二维评估来评估预定义的一组测试点的透射率和反射强度来执行双进给检测。如果双重进纸决定，则纸币被拒绝。否则，纸币被接受并进一步处理。由于与已知的双重检测方法相比，评估中的附加维度，在具有不同程度的纸币污染的情况下，本发明还能够实现更强大的双音符检测。

2. 发明申请

US20060115138A1 Optical double feed detection 有权
公开(公告)号：US20060115138A1
公开(公告)日：2006-06-01
申请号：US10530287
申请日：2004-03-02
申请人： Hansjorg Klock , Peter Evans , Joelle Egli
发明人： Hansjorg Klock , Peter Evans , Joelle Egli
IPC分类号： G06K9/00
CPC分类号： B65H7/125 , B65H2553/40 , B65H2701/1912
摘要： In an apparatus for processing banknotes or other sheet-like objects, the banknotes are conveyed along a transport path, thereby passing sensor means. A transmission and a reflection image of the banknote are captured by illuminating the banknotes and measuring the transmittive and reflective light intensity of light with a high resolution. Based on these images, a validation of the banknotes is carried out. After the validation, a double feed detection is performed by evaluating the transmission and the reflection intensities for a predefined set of test spots with a two-dimensional evaluation. If it is decided on double feed, the banknotes are rejected. Otherwise the banknotes are accepted and further processed. Because of the additional dimension in the evaluation compared with known double detection methods, the invention enables a more robust double note detection also in cases with different degrees of soiling of the banknotes.

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