Reading apparatus and reading control method that reduces misalignment at a joint between a pixel read before a read-suspension event and a pixel read after the read-suspension event
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United States of America Patent
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Feb 24, 2015
Grant Date -
Aug 1, 2013
app pub date -
Jan 29, 2013
filing date -
Jan 31, 2012
priority date (Note) -
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Abstract
A reading apparatus includes an image sensor, a movement mechanism including a motor that relatively moves between a document and the image sensor, an encoder that detects information about the relative movement, and a control unit that controls driving of the motor and reading by the image sensor based on the detection by the encoder, wherein when a read-suspension event occurs during the reading, the control unit performs control such that the reading is continued while decelerating the motor, a relative position of a last read pixel with respect to a read position by the image sensor is monitored based on the detection by the encoder, and the driving of the motor is stopped when the read position is determined to reach a stop position set within the last read pixel, and the motor is driven again to resume the reading with a pixel next to the last read pixel.
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