发明名称 Device for scanning a stack of sheets of paper
摘要 In order to scan a stack of sheets of paper on the stacking table of a feeder, by means of a sensor, use is made of an optical reflection sensor which is placed over the stack and with its optical axis in line with a hole passing through the stacking table. Figure 1. <IMAGE>
申请公布号 PT97704(A) 申请公布日期 1993.06.30
申请号 PT19910097704 申请日期 1991.05.17
申请人 STAHL GMBH & CO. MASCHINENFABRIK 发明人 EDGAR BRESSERT;ECKHARD FROHLICH
分类号 B65H7/04;B65H43/00;(IPC1-7):B65H43/00 主分类号 B65H7/04
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