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    • 4. 发明公开
    • Object detector
    • 对象检测器
    • EP1437604A3
    • 2017-05-10
    • EP03257331.3
    • 2003-11-20
    • NCR International, Inc.
    • Clark, Barrie
    • G01V3/02G07D11/00B65H7/06B65H5/06
    • G01V3/02B65H5/062B65H7/06B65H2404/19B65H2511/521B65H2515/708B65H2701/1912G07D11/22G07D11/237G07D11/26B65H2220/01B65H2220/03
    • A detector (10) for detecting an object (42) in a media item (40), such as a cheque or banknote is described. The detector (10) comprises first electrically conducting means (14), such as a roller, disposed on one side of a media path (32); second electrically conducting means (16), such as another roller, disposed on an opposing side of the media path (32); insulating means (30a,b) for electrically insulating the first and second conducting means (14,16); and impedance measuring means (38) for measuring the impedance between the first and second electrically conducting means (14,16). By measuring the impedance between the conducting means (14,16) it is possible to determine if an electrically conducting object (42) is being carried by a media item (40).
    • 描述了用于检测媒体项目(40)中的对象(42)的检测器(10),例如支票或钞票。 检测器(10)包括布置在介质路径(32)的一侧上的第一导电装置(14),例如辊; 布置在介质路径(32)的相对侧上的第二导电装置(16),例如另一个滚筒; 绝缘装置(30a,b),用于使第一和第二导电装置(14,16)电绝缘; 和用于测量第一和第二导电装置(14,16)之间的阻抗的阻抗测量装置(38)。 通过测量导电装置(14,16)之间的阻抗,可以确定导电物体(42)是否由介质物品(40)承载。