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1. 发明授权

US06628431B1 Picture readers and method for controlling the same 失效
标题翻译：图片阅读器及其控制方法
公开(公告)号：US06628431B1
公开(公告)日：2003-09-30
申请号：US09180483
申请日：1999-03-10
申请人： Minoru Masuda , Masashi Matsumoto , Tomohiro Sunasaki , Yasunori Miyauchi
发明人： Minoru Masuda , Masashi Matsumoto , Tomohiro Sunasaki , Yasunori Miyauchi
IPC分类号： H04N104
CPC分类号： H04N1/1026 , H04N1/00795 , H04N1/04 , H04N1/1017 , H04N1/103 , H04N1/1043 , H04N1/1048 , H04N1/1052 , H04N1/193 , H04N2201/0418 , H04N2201/0422 , H04N2201/0456
摘要： An image reader is composed of a read unit 2 provided with a contact member 21 which abuts an original bed 11 of a flat bed unit 1; and a pressing element 30 for causing the read unit 2 and the original bed 11 to press against each other. Also, the image reader is composed of an apparatus body 50 including a read unit 102 and an original bed 51; and an original cover 42 including a light source 43 and a diffusion plate 45 and attached to the apparatus body 50 in such a manner as to be freely opened and closed. The distance between a translucent original 41 placed on the original bed 51 and the light source 43 is variable according to the thickness of the translucent original 41. Further, in the image reader, a cumulative difference between the movement of the optical unit 102 and the movement of a light source unit 44 is previously read; and, at the time of start of scanning for read, the relative position of the optical unit 102 and the light source unit 44 is shifted in reverse in relation to the direction of the cumulative difference.
摘要翻译：图像读取器由读取单元2组成，读取单元2设置有抵靠平板单元1的原稿床11的接触构件21; 以及用于使读取单元2和原稿台11彼此挤压的按压元件30。此外，图像读取器由包括读取单元102和原始床51的装置主体50组成; 以及包括光源43和扩散板45并以可自由打开和关闭的方式附接到设备主体50的原始盖42。放置在原稿台51上的半透明原稿41与光源43之间的距离根据半透明原稿41的厚度而变化。此外，在图像读取器中，光学单元102的移动与预先读取光源单元44的移动; 并且在开始扫描读取时，光学单元102和光源单元44的相对位置相对于累积差异的方向相反地偏移。

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