Image-reading device
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United States of America Patent
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Aug 9, 2016
Grant Date -
Jun 27, 2013
app pub date -
Sep 25, 2012
filing date -
Dec 27, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An image-reading device is provided that includes a reading component configured to read a document, a document holding portion, a detector detecting a position of the document holding portion, a power supply device that supplies power to the reading component, and a power supply control device that controls power supplied by the power supply device to the reading component. The power supply control device determines whether a change in the position of the document holding portion has occurred based on the position of the document holding portion detected by the detector. When a change in position is detected and the image reading device is not performing document reading, the power supplied to the reading component is reduced. If a change in position is detected while the image reading device is performing document reading, the power supplied to the reading component is maintained.
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