发明名称 Image reading apparatus capable of reading both sides of a document
摘要 Pieces of reading frequency information representing the use frequencies of first and second reading units are acquired. Read color information of a color on a document that is read by the first or second reading unit is acquired. Based on the acquired pieces of reading frequency information and the acquired read color information, one of the first and second reading units is decided as a reference reading unit serving as a reference when performing correction to make the reading characteristics of the first and second reading units relatively coincide with each other.
申请公布号 US8279504(B2) 申请公布日期 2012.10.02
申请号 US20090407236 申请日期 2009.03.19
申请人 HASHIZUME ASAKO;CANON KABUSHIKI KAISHA 发明人 HASHIZUME ASAKO
分类号 H04N1/46 主分类号 H04N1/46
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