发明名称 NUMBER OF SHEETS DETECTING METHOD FOR PAPER SHEETS, NUMBER OF SHEETS DETECTING DEVICE, PAPER FEEDING DEVICE, AND IMAGE FORMING DEVICE PROVIDED THEREWITH
摘要 <P>PROBLEM TO BE SOLVED: To provide a number of sheets detecting method for paper sheets for accurately detecting the number of a small number of paper sheets irrespective of the type of the paper sheets, a number of sheets detecting device, a paper feeding device, and an image forming device not consuming an extra amount of toner. <P>SOLUTION: The number of sheets detecting device for paper sheets is provided with an alternating magnetic flux generating means 37 contacting one side of a plurality of paper sheets, and an induced electromotive force detecting means 38 contacting another side, and the number of paper sheets is detected by a degree of induced electromotive force detected by the induced electromotive force detecting means 38. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005085176(A) 申请公布日期 2005.03.31
申请号 JP20030319070 申请日期 2003.09.10
申请人 RICOH CO LTD 发明人 KONO YUZO
分类号 B41J29/48;B65H7/02;G03G21/14;G06M9/00 主分类号 B41J29/48
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