Image reading apparatus and image forming apparatus including the same
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United States of America Patent
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May 21, 2013
Grant Date -
May 5, 2011
app pub date -
Nov 1, 2010
filing date -
Nov 4, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, an image reading apparatus has a light source configured with a plurality of light-emitting elements disposed in a row in a main scanning direction that irradiate light toward an original, and a photoelectric conversion element that receives light reflected from the original, an output light amount from the light-emitting elements can be adjusted, and a state of bright spots due to repetition of light-dark in the main scanning direction on a light irradiation face of the original due to the plurality of light-emitting elements is determined, and the output light amount from the light-emitting elements is adjusted based on the determination result of the state of the bright spots.
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