发明名称 Image Reader
摘要 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.
申请公布号 US2011075229(A1) 申请公布日期 2011.03.31
申请号 US20100821353 申请日期 2010.06.23
申请人 BROTHER KOGYO KABUSHIKI KAISHA 发明人 FUJIWARA TAKASHI
分类号 H04N1/04 主分类号 H04N1/04
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