发明名称 DOUBLE DOCUMENT DETECTION SYSTEM
摘要 <p>DOUBLE DOCUMENT DETECTION SYSTEM A system for detecting the presence of more than one document along a path during the processing of the documents. A capacitance is introduced by the plural documents in contact with each other and wherein a delay signal is combined with an original signal to generate a multiple document detect signal for indicating the presence of the multiple documents.</p>
申请公布号 CA1132677(A) 申请公布日期 1982.09.28
申请号 CA19800351795 申请日期 1980.05.13
申请人 NCR CANADA LTD - NCR CANADA LTEE 发明人 MAZUMDER, ALI T.
分类号 B65H7/12;B42C19/08;G06K13/067;(IPC1-7):65H3/46 主分类号 B65H7/12
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