Image reader
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 23, 2013
Grant Date -
Mar 31, 2011
app pub date -
Jun 23, 2010
filing date -
Sep 30, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An image reader includes a loading unit including a first transparent member that has a loading surface on which a document sheet is placed, a reading unit that includes light receiving elements arranged in a first direction under the first transparent member and is configured to move in a second direction parallel to the loading surface and perpendicular to the first direction and to read an image from the document sheet placed on the loading surface by repeating an operation of scanning the document sheet in the first direction with the light receiving elements while moving in the second direction, and a black reference member including a black area that is disposed in a position lower than the loading surface of the first transparent member and higher than the light receiving elements and configured to be read in acquiring black reference data for black level correction.
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