Image reading apparatus and multifunction printing apparatus
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United States of America Patent
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Apr 28, 2015
Grant Date -
Dec 4, 2014
app pub date -
May 15, 2014
filing date -
Jun 3, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An embodiment of this invention is directed to reading an original at a high resolution with high quality by an image reading apparatus using a 3-line CCD and white LED. The image reading apparatus according to the embodiment includes a 3-line CCD, a white LED, and a light guide configured to guide light from the LED to an original. A surface of the light guide from which light emerges toward the original is formed into a concave shape. Light from the light guide almost uniformly irradiates the reading region of an image placed on a platen glass.
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