发明名称 |
Sheet handling apparatus and image reading apparatus |
摘要 |
A sheet handling apparatus includes a sheet stacker for stacking sheets; a separating device for separating and feeding the sheets stacked on the sheet stacker; and a register roller disposed adjacent to the separating device for correcting a skew of the sheet. An ultrasonic wave sensor composed of a wave sending sensor and a wave receiving sensor is arranged between the separating device and the register roller obliquely relative to a surface of the sheet. A judging device is electrically connected to the ultrasonic wave sensor for detecting a double feed of the sheets based upon an output signal from the wave receiving sensor at a predetermined time after the register roller starts rotating. A control device electrically connected to the judging device and the register roller controls the register roller to stop and rotate.
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申请公布号 |
US7425001(B2) |
申请公布日期 |
2008.09.16 |
申请号 |
US20040892364 |
申请日期 |
2004.07.16 |
申请人 |
NISCA CORPORATION |
发明人 |
SANO KAZUHIDE;HIROSE SYUNICHI |
分类号 |
B65H9/04;B65H7/12;B65H9/10 |
主分类号 |
B65H9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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