公开(公告)号：US20110188092A1

公开(公告)日：2011-08-04

申请号：US13009011

申请日：2011-01-19

申请人： Shohichi FUKUTOME ,  Hironori OGASAWARA ,  Mitsuharu YOSHIMOTO ,  Kenji NAKANISHI ,  Masahiro IMOTO ,  Yasuhiro SUTO

发明人： Shohichi FUKUTOME ,  Hironori OGASAWARA ,  Mitsuharu YOSHIMOTO ,  Kenji NAKANISHI ,  Masahiro IMOTO ,  Yasuhiro SUTO

IPC分类号： H04N1/40

CPC分类号： H04N1/40

摘要： An image reading apparatus includes a reading glass, a second guide member, and a control section. The reading glass and the second guide member together form a document feed path. The second guide member includes a white reference plate. The control section performs, when it is determined that shading correction image data is affected by a stain, a stain location determination of whether the stain is attached to the reading glass or the second guide member according to a tone value variation in the portion of the shading correction image data that corresponds to the stain edge, the variation being along a predetermined distance in the main scanning direction.

摘要翻译： 图像读取装置包括读数玻璃，第二引导构件和控制部。 读数玻璃和第二引导构件一起形成文件馈送路径。 第二引导构件包括白色基准板。 控制部分当确定着色校正图像数据受到污点的影响时，根据该部分的色调值变化，进行染色位置确定是否将污渍附着在读数玻璃板或第二导向部件上 对应于污迹边缘的阴影校正图像数据，该变化沿着主扫描方向上的预定距离。

公开(公告)号：US20120008155A1

公开(公告)日：2012-01-12

申请号：US13177235

申请日：2011-07-06

申请人： Kenji NAKANISHI ,  Hiroshi NAKATANI ,  Hisashi YAMANAKA ,  Shohichi FUKUTOME ,  Yoshihisa YAMADA ,  Masahiro IMOTO ,  Yasuhiro SUTO

发明人： Kenji NAKANISHI ,  Hiroshi NAKATANI ,  Hisashi YAMANAKA ,  Shohichi FUKUTOME ,  Yoshihisa YAMADA ,  Masahiro IMOTO ,  Yasuhiro SUTO

IPC分类号： G06F15/00 ,  H04N1/04

CPC分类号： H04N1/121 ,  H04N1/1235 ,  H04N1/193 ,  H04N1/2032 ,  H04N2201/0094

摘要： A transparent sheet is attached onto an inclined surface of an original guide plate of an image reading apparatus, and similarly, a transparent sheet is attached onto an inclined surface at an edge portion of a reading guide plate, thereby preventing an original from being chipped by the ground glass-like inclined surfaces and illumination light from being diffused by the ground glass-like inclined surfaces.

摘要翻译： 将透明片附着在图像读取装置的原稿引导板的倾斜面上，同样，将透明片附着在读取导板的边缘部的倾斜面上，由此防止原稿被切屑 研磨玻璃状倾斜面和照射光被研磨玻璃状倾斜面扩散。