发明授权
US07440639B2 Image reading apparatus reading an original while transporting the same
有权
图像读取装置在运送原稿的同时读取原稿
- 专利标题: Image reading apparatus reading an original while transporting the same
- 专利标题(中): 图像读取装置在运送原稿的同时读取原稿
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申请号: US11019520申请日: 2004-12-23
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公开(公告)号: US07440639B2公开(公告)日: 2008-10-21
- 发明人: Kazuhiro Ishiguro , Masaaki Saka , Takayuki Nabeshima
- 申请人: Kazuhiro Ishiguro , Masaaki Saka , Takayuki Nabeshima
- 申请人地址: JP Tokyo
- 专利权人: Konica Minolta Business Technologies, Inc.
- 当前专利权人: Konica Minolta Business Technologies, Inc.
- 当前专利权人地址: JP Tokyo
- 代理机构: Morrison & Foerster LLP
- 优先权: JP2004-285826 20040930
- 主分类号: G06K7/00
- IPC分类号: G06K7/00 ; H04N1/04 ; G06K9/20
摘要:
An image reading apparatus includes: three line sensors; a mover moving a platen at a rate relative to the three line sensors; an interline corrector synchronizing the three line sensors' outputs to be a pixel having read a single location on an original; NOR and AND devices comparing three data corresponding to a single location on the original to detect a noise pixel; a determiner depending on a color of a pixel neighboring a pixel to be processed selected from pixels arranged in the main scanning direction, to determine first data from which a noise pixel is initially detected; and a determiner invalidating a noise pixel identical in location in the main scanning direction to the pixel to be processed, that is included in a line input prior to a line including the pixel detected from the first data and that is detected from data other than the first data.
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