公开(公告)号：US20090109273A1

公开(公告)日：2009-04-30

申请号：US12256540

申请日：2008-10-23

Applicant: Ryota KATO

Inventor： Ryota KATO

IPC: B41J15/08

CPC classification number: H04N1/00127 ,  H04N1/0283 ,  H04N1/113 ,  H04N2201/02418 ,  H04N2201/02431 ,  H04N2201/02433 ,  H04N2201/02435 ,  H04N2201/02497

Abstract: An optical scanner forms an electrostatic latent image on a photosensitive member by scanning the photosensitive member with a light beam. The optical scanner includes: an incident optical system which at least comprises: a light beam emission device configured to emit a light beam; and a cylindrical lens configured to condense the light beam emitted from the light beam emission device, and a scanning optical system which at least comprises: a light deflecting device configured to reflect the light beam having passed through the cylindrical lens to deflect the light beam in a main scanning direction for scanning the photosensitive member; and a scanning lens configured to focus the light beam deflected by the light deflecting device on the photosensitive member to form an electrostatic latent image thereon. The incident optical system and the scanning optical system are divided by a light shielding wall.

Abstract translation: 光学扫描器通过用光束扫描感光构件而在感光构件上形成静电潜像。 光学扫描器包括：入射光学系统，其至少包括：被配置为发射光束的光束发射装置; 以及圆柱形透镜，被配置为冷凝从光束发射装置发射的光束;以及扫描光学系统，其至少包括：光偏转装置，其被配置为反射已经穿过所述柱面透镜的光束，以将光束偏转 用于扫描感光构件的主扫描方向; 以及扫描透镜，被配置为将由光偏转装置偏转的光束聚焦在感光构件上，以在其上形成静电潜像。 入射光学系统和扫描光学系统由遮光壁分隔。

公开(公告)号：US20030025066A1

公开(公告)日：2003-02-06

申请号：US10259475

申请日：2002-09-30

Inventor： Masami Tabata

IPC: H01L027/00

CPC classification number: G02B6/0001 ,  G02B6/0038 ,  G02B6/4201 ,  G02B6/4298 ,  H04N1/02815 ,  H04N1/02835 ,  H04N2201/0241 ,  H04N2201/02414 ,  H04N2201/02435 ,  H04N2201/02449 ,  H04N2201/03112 ,  H04N2201/03125 ,  H04N2201/03129 ,  H04N2201/03141 ,  H04N2201/03145

Abstract: There is disclosed an image reading apparatus constructed by an illuminating unit for illuminating an object in a line shape, an image forming optical system for forming a light, as an image, from the object illuminated by the illuminating unit, a line sensor for converting the light formed as an image by the image forming optical system into an image signal, and a frame for holding the illuminating unit and the line sensor, wherein a shape in which vertices of at least a part of the cross section of the illuminating unit are connected by straight lines is set to a polygon of a pentagon or more, so that an image can be stably read at a high quality.

Abstract translation: 公开了一种图像读取装置，其由用于照射线状物体的照明单元，用于从照明单元照射的物体作为图像形成光的图像形成光学系统构成，线传感器，用于将 通过图像形成光学系统将图像形成为图像信号的光，以及用于保持照明单元和线传感器的框架，其中，连接照明单元的截面的至少一部分的顶点的形状 通过将直线设为五边形以上的多边形，能够以高质量稳定地读取图像。

公开(公告)号：US06507416B1

公开(公告)日：2003-01-14

申请号：US09299088

申请日：1999-04-26

Applicant: Ricke Tang

Inventor： Ricke Tang

IPC: H04N104

CPC classification number: H04N1/0287 ,  H04N1/03 ,  H04N1/0303 ,  H04N1/0305 ,  H04N1/1017 ,  H04N2201/02408 ,  H04N2201/02416 ,  H04N2201/02433 ,  H04N2201/02435 ,  H04N2201/02439 ,  H04N2201/04794

Abstract: An adjustable chassis for variable brightness for a scanner includes a light source, a reflection means, a lens, a charge coupled device and a brightness adjuster. The brightness adjuster may be a reflection mirror adjuster which can change the angle of a first reflection mirror, or a lamp holder adjuster which can change the light emitting angle toward the scanning document, or a light source adjuster which can change the distance between the light source and the scanning document so that brightness on the document may be obtained at an optimum degree to achieve better scanning quality.

Abstract translation: 用于扫描器的可变亮度的可调底盘包括光源，反射装置，透镜，电荷耦合装置和亮度调节器。 亮度调节器可以是可以改变可以改变朝向扫描原稿的发光角度的第一反射镜或灯座调节器的角度的反射镜调节器，或者可以改变光的距离的光源调节器 源和扫描文档，使得可以以最佳程度获得文档上的亮度以实现更好的扫描质量。

公开(公告)号：EP2521346A4

公开(公告)日：2015-07-29

申请号：EP10840821

申请日：2010-11-02

Applicant: CANON COMPONENTS KK

Inventor： TAKAHASHI HIDEHISA

IPC: H04N1/028 ,  H04N1/031

CPC classification number: H04N1/0318 ,  H04N1/02835 ,  H04N2201/02435 ,  H04N2201/02445 ,  H04N2201/02456 ,  H04N2201/02458 ,  H04N2201/02462 ,  H04N2201/02464 ,  H04N2201/02472 ,  H04N2201/02474 ,  H04N2201/02483 ,  H04N2201/02485 ,  H04N2201/03112 ,  H04N2201/03125 ,  H04N2201/03129 ,  H04N2201/03141 ,  H04N2201/03145

公开(公告)号：EP2611134A1

公开(公告)日：2013-07-03

申请号：EP12183290.1

申请日：2012-09-06

Applicant: Kabushiki Kaisha Toshiba

Inventor： Ikari, Seiji ,  Miura, Junji

IPC: H04N1/028

CPC classification number: H04N1/02815 ,  H04N1/00806 ,  H04N1/02481 ,  H04N1/02885 ,  H04N1/02895 ,  H04N1/1235 ,  H04N1/125 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/02435 ,  H04N2201/02439

Abstract: According to one embodiment, an image reading device includes: illuminating means for illuminating a reading position where a sheet conveyed by conveying means passes, optical reading means for reading reflected light of the sheet illuminated by the illuminating means, when the sheet passes the reading position, a white reference plate disposed opposite to the optical reading means with the reading position sandwiched therebetween, moving structure means for moving a placement position of the illuminating means based on a placement position of the white reference plate, storage means for storing the following amounts in a searchable manner, an illuminating angle moving amount by which the placement position of the illuminating means is moved by the moving structure means so as to change an illuminating angle formed by a line connecting an illumination center of the illuminating means to the reading position with respect to a conveyor path, an X direction moving amount by which the placement position of the illuminating means is moved by the moving structure means in an X direction parallel to a conveying direction while maintaining the illuminating angle, and a Y direction moving amount by which the placement position of the illuminating means is moved by the moving structure means in a Y direction which is a lengthwise direction of an illumination optical axis while maintaining the illuminating angle, acquisition means for, when the sheet passes the reading position, acquiring, in advance, a variation property of reflected light vertically varying within a predetermined acceptable variation range in a height direction in which a reading surface of the sheet approaches a side of the illuminating means by the conveying means based on the white reference plate, and a height-direction light intensity distribution property of the sheet illuminated by the illuminating means at the reading position, and control means for setting, in the moving structure means, the illuminating angle moving amount, the X direction moving amount, and the Y direction moving amount stored in the storage means, so as to obtain a light intensity distribution property offsetting the variation property acquired by the acquisition means.

Abstract translation: 根据一个实施例，一种图像读取装置包括：照明装置，用于照亮由传送装置输送的片材通过的读取位置，当片材通过读取位置时，用于读取由照明装置照射的片材的反射光的光学读取装置 设置在与光学读取装置相对设置的白色参考板，读取位置夹在其间;移动结构装置，用于基于白色参考板的放置位置移动照明装置的放置位置;存储装置，用于存储以下量： 可动的方式，通过移动结构装置使照明装置的放置位置移动的照明角度移动量，以便改变由将照明装置的照明中心连接到读取位置的线所形成的照明角度 到传送路径，X方向移动量，plac 照明装置的移动位置由运动结构装置沿着平行于传送方向的X方向移动，同时保持照明角度;以及Y方向移动量，通过移动结构装置使照明装置的放置位置移动 在保持照明角度的同时沿着照明光轴的长度方向的Y方向上，当片材通过读取位置时，获取装置预先获取在预定的可接受变化范围内垂直变化的反射光的变化特性 在该高度方向的范围内，片材的读取面基于白色基准板通过传送装置接近照明装置的一侧，并且由该照明装置照射的片材的高度方向光强度分布特性 读取位置和用于在移动结构装置中设置照明的控制装置 存储在存储装置中的角度移动量，X方向移动量和Y方向移动量，以获得抵消由获取装置获取的变化特性的光强分布特性。

公开(公告)号：EP2242246A2

公开(公告)日：2010-10-20

申请号：EP10162808.9

申请日：2005-07-08

Applicant: Ricoh Company, Ltd.

Inventor： Kohchi, Masashi ,  Sakurai, Yasuo

IPC: H04N1/028

CPC classification number: H04N1/02865 ,  H04N1/028 ,  H04N1/02815 ,  H04N1/02885 ,  H04N2201/02406 ,  H04N2201/02435 ,  H04N2201/02441 ,  H04N2201/02449 ,  H04N2201/04796

Abstract: A image reading apparatus includes a plurality of point light sources, arranged in a straight line state, configured to output light for lighting a document situated on a contact glass from a lower side of the contact glass, a light leading member, positioned in front in a light outputting direction of the light output from the point light sources, configured to lead the light output from the point light sources so as to irradiate along a main scanning direction toward the document situated on the contact glass, and a photoelectric conversion element configured to receive reflection light from the document. The light leading member includes positioning means configured to make a gap between each of the point light sources arranged in a line state and the light leading member constant and make an arrangement direction of the point light sources be positioned along a longitudinal direction of the light leading member.

Abstract translation: 图像读取装置包括以直线状态配置的多个点光源，被配置为从接触玻璃的下侧输出用于点亮位于接触玻璃上的原稿的光，位于前方的光引导部件 从所述点光源输出的光的光输出方向，被配置为引导从所述点光源输出的光，以沿着主扫描方向朝向位于所述接触玻璃上的文档照射;以及光电转换元件，被配置为 从文件接收反射光。 光引导构件包括定位装置，其被配置为使得以线状状布置的每个点光源和导光构件之间的间隙保持恒定，并且使点光源的布置方向沿着光导向的纵向方向定位 会员。

公开(公告)号：US09001395B2

公开(公告)日：2015-04-07

申请号：US13600747

申请日：2012-08-31

Applicant: Seiji Ikari ,  Junji Miura

Inventor： Seiji Ikari ,  Junji Miura

IPC: H04N1/04 ,  H04N1/028 ,  H04N1/12 ,  H04N1/00 ,  H04N1/024 ,  H04N1/193

CPC classification number: H04N1/02815 ,  H04N1/00806 ,  H04N1/02481 ,  H04N1/02885 ,  H04N1/02895 ,  H04N1/1235 ,  H04N1/125 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/02435 ,  H04N2201/02439

Abstract: An image reading device includes an illuminating means for illuminating a reading position through which a sheet conveyed by conveying means passes, optical reading means for reading reflected light of the sheet illuminated by the illuminating means when the sheet passes the reading position, a white reference plate disposed opposite to the optical reading means with the reading position sandwiched therebetween, and moving structure means for moving a placement position of the illuminating means based on a placement position of the white reference plate, and storage means is included for storing information in a searchable manner.

Abstract translation: 图像读取装置包括：照明装置，用于照亮读取位置，通过该读取位置，由输送装置输送的纸张通过;光学读取装置，用于当纸张通过读取位置时，读取由照明装置照射的纸张的反射光;白色参考板 设置在与光学读取装置相对的位置，其中夹着读取位置;以及移动结构装置，用于基于白色参考板的放置位置移动照明装置的放置位置，并且存储装置用于以可搜索的方式存储信息 。

公开(公告)号：US08755092B2

公开(公告)日：2014-06-17

申请号：US13049648

申请日：2011-03-16

Applicant: Katsuhiko Okamoto

Inventor： Katsuhiko Okamoto

IPC: H04N1/04

CPC classification number: H04N1/02815 ,  H04N1/02855 ,  H04N1/02865 ,  H04N1/1017 ,  H04N1/193 ,  H04N2201/02431 ,  H04N2201/02435 ,  H04N2201/02449 ,  H04N2201/02458 ,  H04N2201/02462 ,  H04N2201/02468

Abstract: An image reading apparatus includes an array substrate in which a plurality of point light sources is mounted along the main scanning direction, a light guide member disposed on a surface of the array substrate that mounts the plurality of point light sources, and guiding light from the plurality of point light sources to the document surface, a frame for fixing the light guide member and the array substrate, a positioning unit that determines the positional relationship of the frame with the light guide member and the array substrate in a configuration in which the incident surface of the light guide member is in proximity to or in contact with the plurality of point light sources; and an image reading unit that uses reflected light when illuminating light from the plurality of point light sources through the light guide member onto the document surface to thereby read the document image.

Abstract translation: 一种图像读取装置，具备沿着主扫描方向安装有多个点光源的阵列基板，配置在安装多个点光源的阵列基板的表面上的导光部件， 多个点状光源到文件表面，用于固定导光构件和阵列基板的框架，定位单元，其确定框架与导光构件和阵列基板的位置关系，其中事件 导光构件的表面接近多个点光源或与多个点光源接触; 以及图像读取单元，其在将来自多个点光源的光通过导光构件照射到文件表面上时使用反射光，从而读取文件图像。

公开(公告)号：US08422093B2

公开(公告)日：2013-04-16

申请号：US12659605

申请日：2010-03-15

Applicant: Masatoshi Ishida

Inventor： Masatoshi Ishida

IPC: H04N1/04

CPC classification number: G02B6/0001 ,  H04N1/02815 ,  H04N1/0285 ,  H04N1/02855 ,  H04N1/02865 ,  H04N1/02885 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/0241 ,  H04N2201/02435 ,  H04N2201/02441 ,  H04N2201/02445 ,  H04N2201/02462 ,  H04N2201/02468 ,  H04N2201/02485

Abstract: A light projection unit includes a substrate, a plurality of light emitting elements arrayed on the substrate in a main scanning direction and including light emitting surfaces, a light guide facing the light emitting surfaces to direct light projected from the light emitting elements onto an illumination target and including a first positioning portion, and a holder including a second positioning portion that engages the first positioning portion of the light guide to position the light guide on the holder. The first positioning portion of the light guide is positioned between centers of light emission of adjacent light emitting elements in the main scanning direction of the substrate when the first positioning portion engages the second positioning portion of the holder.

Abstract translation: 光投射单元包括基板，在主扫描方向上排列在基板上并包括发光面的多个发光元件，面向发光面的光导，将从发光元件射出的光引导到照明对象 并且包括第一定位部分和包括接合光导的第一定位部分的第二定位部分的保持器，以将光导定位在保持器上。 当第一定位部分接合保持器的第二定位部分时，光导的第一定位部分位于相邻发光元件的发光中心之间的基板的主扫描方向上。

公开(公告)号：US20120250110A1

公开(公告)日：2012-10-04

申请号：US13433143

申请日：2012-03-28

Applicant: Nobuhiro Fukuma ,  Daisuke Fujiwara

Inventor： Nobuhiro Fukuma ,  Daisuke Fujiwara

IPC: H04N1/04

CPC classification number: H04N1/0249 ,  G03G2215/0132 ,  H04N1/02481 ,  H04N1/02835 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/0241 ,  H04N2201/02425 ,  H04N2201/02435 ,  H04N2201/02462 ,  H04N2201/02474 ,  H04N2201/02485

Abstract: The present disclosure relates to an image reading device, including: a light emitting portion; a light guiding member; a holding member that holds the light emitting portion and the light guiding member; and a case member that holds the holding member. In the image reading device, the light guiding member is shaped like a stick, of which end portion is disposed to face the light emitting portion. The holding member holds the light emitting portion and the light guiding member. In addition, the holding member has: and a holding portion that disposes the light guiding member along a main scanning direction, and positions and holds an end portion on the light emitting portion side in the main scanning direction. The case member holds the holding member.

Abstract translation: 本公开涉及一种图像读取装置，包括：发光部分; 导光构件; 保持部件，其保持所述发光部和所述导光部件; 以及保持所述保持构件的壳体构件。 在图像读取装置中，导光部件成形为棒状，其端部设置为面对发光部。 保持构件保持发光部和导光构件。 另外，保持构件具有：保持部，其沿着主扫描方向配置导光构件，并且在主扫描方向上位于并保持在发光部侧的端部。 壳体构件保持保持构件。