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公开(公告)号：US20130155472A1
公开(公告)日：2013-06-20
申请号：US13361518
申请日：2012-01-30
IPC分类号： H04N1/387
CPC分类号： G03G15/60 , H04N2201/0434
摘要： The object of the present invention is to provide an image reading apparatus having a large depth of field and being compact in size.The image reading apparatus includes a light source, an imaging optics system, an image pickup device unit, a memory, and a processor. The imaging optics system has a plurality of cells each being an independent optics system arranged in a main scanning direction, and arranged in two rows in a sub-scanning direction. In each of the cells, a first reflective light-gathering optical element, a first plane mirror, an aperture, and a second reflective light-gathering optical element are arranged in this order from a document, and the aperture is arranged at the back focal point position of the first reflective light-gathering optical element to form a telecentric optics system at the side of the document.
摘要翻译： 本发明的目的是提供一种具有大景深并且尺寸紧凑的图像读取装置。 图像读取装置包括光源，成像光学系统，图像拾取装置单元，存储器和处理器。 成像光学系统具有多个单元，每个单元是沿主扫描方向布置的独立光学系统，并且在副扫描方向上布置成两行。 在每个单元中，从文件依次布置第一反射聚光光学元件，第一平面镜，孔和第二反射聚光光学元件，并且孔布置在后焦点 第一反射聚光光学元件的点位置，以在文档的侧面形成远心光学系统。
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公开(公告)号：US20110096376A1
公开(公告)日：2011-04-28
申请号：US12984112
申请日：2011-01-04
申请人： Tadashi MINOBE , Hiroyuki KAWANO , Izumi MIKAMI , Takafumi ENDO
发明人： Tadashi MINOBE , Hiroyuki KAWANO , Izumi MIKAMI , Takafumi ENDO
IPC分类号： H04N1/04
CPC分类号： H04N1/0318 , H04N1/02815 , H04N1/02835 , H04N1/1017 , H04N1/193 , H04N2201/03112 , H04N2201/03129 , H04N2201/03137 , H04N2201/03145
摘要： An image sensing apparatus having a large depth of focus (DOF) and being compact in size is provided. The image sensing apparatus includes a plurality of light sources that shines light beams on an illumination portion of a document; a first mirror that receives incident light scattered by reflection from the document, to reflect the scattered light in the secondary scan direction; a plurality of first concaved aspheric mirrors that collimates light beams from the first mirror, to reflect therefrom the collimated light beams as substantially collimated light fluxes; an aperture mirror that reflects therefrom the light beams from the respective first aspheric mirrors, through apertures each having a light-shielded portion formed therearound and selectively passing the light beams therethrough; a plurality of second concaved aspheric mirrors that receives the light beams incident from the respective aperture mirror, to reflect the incident light beams as converging light beams; a second mirror that reflects the light beams in a direction perpendicular to the surface of the document, disposed on a path of the light beams to be converged by means of the second aspheric mirrors; a plurality of light receivers each having a light-receiving area that receives the light beams from the second mirrors, to form images according to the light beams from the respective apertures; and a casing where the first and second aspheric mirrors are disposed on a first side of the casing in the secondary scan direction, and the aperture mirror is disposed on a second side thereof in the secondary scan direction.
摘要翻译： 提供了具有较大焦距（DOF）并且尺寸紧凑的图像感测装置。 图像感测装置包括将光束照射在文件的照明部分上的多个光源; 第一反射镜，其接收从原稿反射散射的入射光，以反射二次扫描方向上的散射光; 多个第一凹入非球面镜，其准直来自第一反射镜的光束，从而将准直光束反射为基本上准直的光束; 一个孔径反射镜，从其反射来自各个第一非球面反射镜的光束，通过各孔具有形成在其周围的光屏蔽部分，并选择性地使光束通过其中; 多个第二凹面非球面镜，其接收从相应孔径镜入射的光束，以将入射光束反射为会聚光束; 第二反射镜，其在垂直于文件表面的方向上反射光束，设置在通过第二非球面镜聚焦的光束的路径上; 多个光接收器，每个光接收器具有接收来自第二反射镜的光束的光接收区域，以根据来自各孔的光束形成图像; 以及壳体，其中所述第一和第二非球面镜在所述副扫描方向上设置在所述壳体的第一侧上，并且所述孔径反射镜被设置在所述副扫描方向的第二侧上。
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公开(公告)号：US20090147321A1
公开(公告)日：2009-06-11
申请号：US12261520
申请日：2008-10-30
申请人： Tadashi MINOBE , Hiroyuki Kawano , Izumi Mikami , Takafumi Endo
发明人： Tadashi MINOBE , Hiroyuki Kawano , Izumi Mikami , Takafumi Endo
IPC分类号： H04N1/04
CPC分类号： H04N1/0318 , H04N1/02815 , H04N1/02835 , H04N1/1017 , H04N1/193 , H04N2201/03112 , H04N2201/03129 , H04N2201/03137 , H04N2201/03145
摘要： An image sensing apparatus having a large depth of focus (DOF) and being compact in size is provided. The image sensing apparatus includes a plurality of light sources that shines light beams on an illumination portion of a document; a first mirror that receives incident light scattered by reflection from the document, to reflect the scattered light in the secondary scan direction; a plurality of first concaved aspheric mirrors that collimates light beams from the first mirror, to reflect therefrom the collimated light beams as substantially collimated light fluxes; an aperture mirror that reflects therefrom the light beams from the respective first aspheric mirrors, through apertures each having a light-shielded portion formed therearound and selectively passing the light beams therethrough; a plurality of second concaved aspheric mirrors that receives the light beams incident from the respective aperture mirror, to reflect the incident light beams as converging light beams; a second mirror that reflects the light beams in a direction perpendicular to the surface of the document, disposed on a path of the light beams to be converged by means of the second aspheric mirrors; a plurality of light receivers each having a light-receiving area that receives the light beams from the second mirrors, to form images according to the light beams from the respective apertures; and a casing where the first and second aspheric mirrors are disposed on a first side of the casing in the secondary scan direction, and the aperture mirror is disposed on a second side thereof in the secondary scan direction.
摘要翻译： 提供了具有较大焦距（DOF）并且尺寸紧凑的图像感测装置。 图像感测装置包括将光束照射在文件的照明部分上的多个光源; 第一反射镜，其接收从原稿反射散射的入射光，以反射二次扫描方向上的散射光; 多个第一凹入非球面镜，其准直来自第一反射镜的光束，从而将准直光束反射为基本上准直的光束; 一个孔径反射镜，从其反射来自各个第一非球面反射镜的光束，通过各孔具有形成在其周围的光屏蔽部分，并选择性地使光束通过其中; 多个第二凹面非球面镜，其接收从相应孔径镜入射的光束，以将入射光束反射为会聚光束; 第二反射镜，其在垂直于文件表面的方向上反射光束，设置在通过第二非球面镜聚焦的光束的路径上; 多个光接收器，每个光接收器具有接收来自第二反射镜的光束的光接收区域，以根据来自各孔的光束形成图像; 以及壳体，其中所述第一和第二非球面镜在所述副扫描方向上设置在所述壳体的第一侧上，并且所述孔径反射镜被设置在所述副扫描方向的第二侧上。
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