公开(公告)号：US08792148B2

公开(公告)日：2014-07-29

申请号：US12904699

申请日：2010-10-14

Applicant: Takayuki Sugiyama ,  Tadao Hayashide

Inventor： Takayuki Sugiyama ,  Tadao Hayashide

IPC: H04N1/56 ,  H04N1/58 ,  H04N1/60 ,  H04N1/00 ,  H04N1/04

CPC classification number: H04N1/193 ,  H04N1/00002 ,  H04N1/00018 ,  H04N1/00023 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/1017 ,  H04N1/486 ,  H04N2201/0006 ,  H04N2201/044

Abstract: An inspection method for an image reading apparatus where image information of an original is imaged on light receiving element lines arranged in a main scanning direction to read the information on different colors. The method includes: acquiring a first color misregistration from image information based on a first striped pattern located at a position optically equivalent to a surface of the original with respect to the light receiving element lines, the first pattern having white and black lines aligned, and having longitudinal directions of the white and black lines aligned in a sub-scanning direction; acquiring a second color misregistration from image information based on a second striped pattern having white and black lines aligned, and having longitudinal directions of the white and black lines aligned at an angle from the main scanning direction; and calculating a color misregistration in the sub-scanning direction based on the measured color misregistrations.

Abstract translation: 一种用于图像读取装置的检查方法，其中原稿的图像信息被成像在沿主扫描方向布置的光接收元件线上以读取关于不同颜色的信息。 该方法包括：基于相对于光接收元件线与原始表面光学相当的位置处的第一条纹图案从图像信息中获取第一颜色重合失调，所述第一图案具有对齐的白线和黑线，以及 所述白色和黑色线的纵向方向在副扫描方向上排列; 从基于具有对准的白色和黑色线的第二条纹图案的图像信息中获取第二种颜色不对齐，并且使白色和黑色线的纵向方向与主扫描方向成一定角度排列; 以及基于所测量的颜色不对准来计算副扫描方向上的颜色对准。

公开(公告)号：US08531530B2

公开(公告)日：2013-09-10

申请号：US13312357

申请日：2011-12-06

Applicant: Tadao Hayashide ,  Takeyoshi Saiga

Inventor： Tadao Hayashide ,  Takeyoshi Saiga

IPC: H04N17/00 ,  H04N5/232

CPC classification number: H04N1/00031 ,  G02B7/023 ,  H04N1/00013 ,  H04N1/00045 ,  H04N1/00053 ,  H04N1/02481 ,  H04N2201/0241 ,  H04N2201/02412 ,  H04N2201/02414 ,  H04N2201/02418 ,  H04N2201/0242 ,  H04N2201/02422 ,  H04N2201/02431

Abstract: An adjusting method for a lens unit used in an image reading apparatus which images image information of an original onto an image reading unit by the lens unit and reads the image information, the lens unit including rotationally-symmetrical lenses, a lens barrel including the rotationally-symmetrical lenses and an adjusting lens, the adjusting method including: performing rotational adjustment of the lens barrel with respect to the adjusting lens; and imaging an adjusted chart onto one-dimensional photoelectric transducers via the lens unit, obtaining contrast depth characteristics of images corresponding to at least three angles of field of the lens unit among images of the adjusted chart, and, according to the obtained contrast depth characteristics, performing position adjustment of the adjusting lens in at least one of an array direction of the one-dimensional photoelectric transducers, a direction orthogonal to the array direction and an optical axis direction of the lens unit.

Abstract translation: 一种在图像读取装置中使用的透镜单元的调整方法，其通过透镜单元将原稿的图像信息图像读取单元并且读取图像信息，所述透镜单元包括旋转对称的透镜，包括旋转对称的透镜 所述调整方法包括：对所述镜筒进行相对于所述调节透镜的旋转调整; 并且经由透镜单元将经调整的图表成像到一维光电换能器上，获得与调整图的图像中的透镜单元的至少三个角度相对应的图像的对比度深度特性，并且根据所获得的对比度深度特性 在所述一维光电变换器的排列方向，与所述排列方向正交的方向和所述透镜单元的光轴方向中的至少一个中进行所述调整透镜的位置调整。

公开(公告)号：US07847988B2

公开(公告)日：2010-12-07

申请号：US11436155

申请日：2006-05-17

Applicant: Tadao Hayashide

Inventor： Tadao Hayashide

IPC: H04N1/46

CPC classification number: H04N1/484 ,  H04N1/02865 ,  H04N1/0287 ,  H04N1/0305 ,  H04N1/1017 ,  H04N1/40056 ,  H04N1/4097

Abstract: An image reading apparatus includes a visible light source; an infrared light source; at least three one-dimensional photoelectric conversion elements extending in a main scanning direction and having respective different spectral sensitivity characteristics; an imaging optical system configured to form an image of image information of an original placed on an original holder and irradiated by the visible light source and the infrared light source on the one-dimensional photoelectric conversion elements; a driving unit configured to change relative optical positions of the imaging optical system and the original in a sub-scanning direction; and a control unit configured to obtain visible-light image information and infrared-light image information of the original by controlling turning-on operations of the visible light source and the infrared light source at every reading in the main scanning direction and by performing relative movement of the image optical system and the original in the sub-scanning direction.

Abstract translation: 图像读取装置包括可见光源; 红外光源; 至少三个一维光电转换元件，其在主扫描方向上延伸并具有不同的光谱灵敏度特性; 成像光学系统，被配置为形成放置在原始保持器上并由一维光电转换元件上的可见光源和红外光源照射的原稿的图像信息的图像; 驱动单元，被配置为改变成像光学系统和原稿在副扫描方向上的相对光学位置; 以及控制单元，被配置为通过在主扫描方向上每次读取时控制可见光源和红外光源的接通操作，并通过执行相对移动来获得原件的可见光图像信息和红外光图像信息 的图像光学系统和原稿在副扫描方向上。

公开(公告)号：US07570444B2

公开(公告)日：2009-08-04

申请号：US12129875

申请日：2008-05-30

Applicant: Nobuyuki Tochigi ,  Takeyoshi Saiga ,  Tadao Hayashide ,  Kazuyuki Kondo

Inventor： Nobuyuki Tochigi ,  Takeyoshi Saiga ,  Tadao Hayashide ,  Kazuyuki Kondo

IPC: G02B7/00

CPC classification number: G02B17/0663

Abstract: Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.

Abstract translation: 获得的是具有简单结构的成像光学系统，其中减少了由偏轴光学元件的重量引起的变形的成像位置偏差和使用其的图像读取装置。 根据用于图像读取的成像光学系统，将原始表面上的图像信息成像在传感器上，并由传感器读取。 成像光学系统包括反射型离轴光学元件，每个反射型偏轴光学元件具有彼此正交的方向上的长度彼此不同的外形，其厚度小于外形的长度， 方向，由树脂材料制成。 多个偏轴光学元件被布置成使得其镜面彼此相对并且被构造成满足条件表达式。

公开(公告)号：US07397620B2

公开(公告)日：2008-07-08

申请号：US11849787

申请日：2007-09-04

Applicant: Tadao Hayashide ,  Takayuki Sugiyama

Inventor： Tadao Hayashide ,  Takayuki Sugiyama

IPC: G02B7/00 ,  G02B26/08 ,  G02B13/08 ,  H04N1/04

CPC classification number: G02B26/125 ,  G02B13/0005 ,  G02B13/08

Abstract: An image reading apparatus with an image reading lens configured to reduce a field curvature and a magnification error in the sub-scan direction, includes a photoelectric conversion element having picture elements arrayed in the main-scan direction, and an image reading lens for imaging imagewise information on a surface of an original, upon a light receiving surface of the photoelectric conversion element, the image reading lens including at least one anamorphic lens having anamorphic surfaces formed at a light entrance surface and a light exist surface thereof, respectively, wherein, when a sectional shape of the anamorphic surface in a main-scan section which contains an optical axis of the image reading lens and the main-scan direction, is taken as a meridional, a curvature of a sagittal of the anamorphic surface defined within a plane being perpendicular to the main-scan section and containing a normal to the anamorphic surface at an arbitrary position in the meridional direction, changes continuously along the meridional direction from the optical axis.

Abstract translation: 一种具有用于减小副扫描方向上的场曲率和放大误差的图像读取透镜的图像读取装置，包括具有沿主扫描方向排列的像素的光电转换元件和用于成像成像的图像读取透镜 原子表面上的信息在光电转换元件的光接收表面上，图像读取透镜分别包括形成在光入射表面和光出射表面处的变形表面的至少一个变形透镜，其中，当 在包含图像读取透镜的光轴和主扫描方向的主扫描部中的变形表面的截面形状被视为子午线，在平面内限定的变形表面的矢状面的曲率为 垂直于主扫描部分并且在子午方向上的任意位置处包含与变形表面相对应的法线， 沿着经向方向从光轴连续变化。

公开(公告)号：US20080062530A1

公开(公告)日：2008-03-13

申请号：US11849779

申请日：2007-09-04

Applicant: Tadao Hayashide ,  Takayuki Sugiyama ,  Toshio Takahashi

Inventor： Tadao Hayashide ,  Takayuki Sugiyama ,  Toshio Takahashi

IPC: G02B13/08

CPC classification number: G02B13/08 ,  G02B7/023

Abstract: A lens unit and an image reading apparatus configured to hold an anamorphic lens precisely with a simple structure, without a lens spacing error or eccentric error: the lens unit including a barrel member configured to hold at least one rotationally symmetric lens having a rotationally symmetric shape with respect to an optical axis; an anamorphic lens having at least one anamorphic surface circumscribing an end portion of the barrel member; a coaxiality maintaining device configured to engage the anamorphic lens and the barrel member with each other to align central axes of the anamorphic lens and the barrel member with each other, and arranged relatively rotate the anamorphic lens and the barrel member relative to each other with reference to the aligned central axes of them; and an elastic member configured to push the anamorphic lens against the barrel member.

Abstract translation: 一种透镜单元和图像读取装置，其被配置为以简单的结构精确地保持歪象透镜，而没有透镜间隔误差或偏心误差：透镜单元包括构造成保持至少一个具有旋转对称形状的旋转对称透镜的筒体 相对于光轴; 具有限定所述筒部件的端部的至少一个变形表面的变形透镜; 同轴维持装置，其被配置为使变形透镜和筒状构件相互接合，以使变形透镜和筒构件的中心轴线彼此对准，并且以参考方式相对于彼此相对地设置相对旋转变形透镜和筒构件 到它们的对准的中心轴; 以及弹性构件，其构造成将所述变形镜推到所述筒构件上。

公开(公告)号：US20080062475A1

公开(公告)日：2008-03-13

申请号：US11851755

申请日：2007-09-07

Applicant: Takayuki Sugiyama ,  Tadao Hayashide ,  Toshio Takahashi

Inventor： Takayuki Sugiyama ,  Tadao Hayashide ,  Toshio Takahashi

IPC: H04N1/04

CPC classification number: H04N1/1017 ,  H04N1/00525 ,  H04N1/0303 ,  H04N1/0305 ,  H04N1/0318 ,  H04N1/193 ,  H04N2201/0081

Abstract: An image reading apparatus including a light source for illuminating an original, a plurality of mirrors for reflecting a light beam from the original illuminated by the light source, a reading device, an imaging optical system for imaging a light beam reflected by the mirrors, upon the reading device, and a scanning optical system unit which integrally accommodates theses components therein and moves in a sub-scan direction to read imagewise information of the original, wherein, in a sub-scan section, one mirror optically closest to the surface of the original is disposed in an end portion of the scanning optical system unit in the sub-scan direction, as compared with the other mirrors, and wherein the central portion of the reflection surface of one mirror optically closest to the original is disposed in a space between the central portion of the reflection surface of a mirror optically closest to the light entrance surface of the imaging optical system and central portions reflection surfaces of other mirrors.

Abstract translation: 一种图像读取装置，包括用于照射原件的光源，用于反射来自由光源照射的原件的光束的多个反射镜，读取装置，用于将由反射镜反射的光束成像成像的成像光学系统， 读取装置和扫描光学系统单元，其一体地容纳其中的这些部件并沿副扫描方向移动以读取原稿的图像信息，其中在子扫描部分中，最接近 与其他反射镜相比，原稿被设置在副扫描方向的扫描光学系统单元的端部中，并且其中最接近原稿的一个镜的反射表面的中心部分设置在 光学反射面的中心部分，其光学最接近成像光学系统的光入射表面，中心部分反射 n个其他镜子的表面。

公开(公告)号：US07253928B2

公开(公告)日：2007-08-07

申请号：US11336974

申请日：2006-01-23

Applicant: Nobuyuki Tochigi ,  Takeyoshi Saiga ,  Tadao Hayashide ,  Kazuyuki Kondo

Inventor： Nobuyuki Tochigi ,  Takeyoshi Saiga ,  Tadao Hayashide ,  Kazuyuki Kondo

IPC: H04N1/00

CPC classification number: G02B17/0663

Abstract: Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.

Abstract translation: 获得的是具有简单结构的成像光学系统，其中减少了由偏轴光学元件的重量引起的变形的成像位置偏差和使用其的图像读取装置。 根据用于图像读取的成像光学系统，将原始表面上的图像信息成像在传感器上，并由传感器读取。 成像光学系统包括反射型离轴光学元件，每个反射型偏轴光学元件具有彼此正交的方向上的长度彼此不同的外形，其厚度小于外形的长度， 方向，由树脂材料制成。 多个偏轴光学元件设置成使得其镜面彼此相对并构造成满足条件表达式。

公开(公告)号：US07021541B2

公开(公告)日：2006-04-04

申请号：US10330267

申请日：2002-12-30

Applicant: Tadao Hayashide

Inventor： Tadao Hayashide

IPC: G06K7/10

CPC classification number: H04N1/0287 ,  H04N1/02815 ,  H04N1/02895 ,  H04N1/1017

Abstract: The invention aims at obtaining an original illuminating apparatus and an image reader having the same with which “the reflection” phenomenon is reduced, and much quantity of light for illumination is obtained in an area to be read of an original to thereby be able to perform the reading operation at high speed. In order to attain the above object, an original illuminating apparatus for illuminating image information for use in an image reader for imaging the image information on a reading unit through a reading lens to read the image information in accordance with the line sequential method includes a plurality of tubular light sources arranged in column style and having the spectral characteristics of substantially the same color which are arranged on one side of the spaces obtained by partitioning thereinto the whole space lying below an original stage glass member with a plane including a main scanning direction and a plane perpendicular to that plane such that parts of their tube diameters overlap one another in an optical axis direction.

公开(公告)号：US06801375B2

公开(公告)日：2004-10-05

申请号：US10423878

申请日：2003-04-28

Applicant: Tadao Hayashide

Inventor： Tadao Hayashide

IPC: G02B702

CPC classification number: G02B27/0031 ,  G02B13/08 ,  H04N2201/0081

Abstract: To provide an image formation optical system which is excellent in image formation performance while reducing an opening angle of an anamorphic lens, and an image reading apparatus using the same. When a thickness of an anamorphic lens is da, a thickness of a meniscus lens arranged adjacent to the anamorphic lens is dm, an interval between the anamorphic lens and the meniscus lens adjacent thereto is tin, and a distance between a lens surface of the lens, of both the lenses, nearest an aperture stop, and a lens surface of the lens, other than both the lenses, facing that lens surface is tout, the constituent elements are set so as to satisfy the following condition: tin

Abstract translation: 为了提供一种在减小变形透镜的打开角度的同时具有优异的图像形成性能的图像形成光学系统，以及使用该成像光学系统的图像读取装置。 当变形透镜的厚度为da时，与变形透镜相邻设置的弯月形透镜的厚度为dm，变形透镜与与其相邻的弯月形透镜之间的间隔为锡，透镜的透镜面之间的距离为 ，最靠近孔径光阑的两个透镜的两个透镜的透镜表面和透镜表面之外的两个透镜的透镜表面是相对的，构成元件被设置成满足以下条件：