Sheet processing apparatus
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United States of America Patent
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Jun 7, 2016
Grant Date -
Sep 17, 2015
app pub date -
Mar 10, 2015
filing date -
Mar 13, 2014
priority date (Note) -
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Abstract
According to an embodiment, there is provided a sheet processing apparatus including a contactless type detection magnetic sensor for detecting magnetism of a sheet, correction magnetic sensors for detecting a magnetic field near the detection magnetic sensor, coils arranged near the detection magnetic sensor, and a cancel device for generating a cancellation magnetic field for cancelling a magnetic field near the detection magnetic sensor from the coils based on a detection result of the correction magnetic sensors.
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