公开(公告)号：US08643911B2

公开(公告)日：2014-02-04

申请号：US12630165

申请日：2009-12-03

Applicant: Takashi Maeda

Inventor： Takashi Maeda

IPC: H04N1/04

CPC classification number: H04N1/1017 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/044

Abstract: The image reading device includes a first document member, a white reference plate, an image sensor, a conveying section, and a control section. A first document is placed on the first document member. The image sensor reads the first document placed on the first document member. The conveying section conveys the image sensor in a first direction and a second direction opposite to the first direction. The image sensor reads the first document while being moved in the first direction. The control section executes a first control. The first control executes a process to control the image sensor to read the white reference plate, to control the conveying section to move the image sensor in the second direction, to control the conveying section to start moving the image sensor in the first direction, and to control the image sensor to read the first document, in this order.

Abstract translation: 图像读取装置包括第一原稿构件，白色基准板，图像传感器，输送部和控制部。 第一个文档放置在第一个文档成员上。 图像传感器读取放置在第一个文档成员上的第一个文档。 传送部分沿与第一方向相反的第一方向和第二方向传送图像传感器。 图像传感器在沿第一方向移动时读取第一文档。 控制部执行第一控制。 第一控制执行控制图像传感器以读取白参考板的处理，以控制传送部分沿第二方向移动图像传感器，以控制传送部分开始沿第一方向移动图像传感器，以及 以此顺序控制图像传感器读取第一个文档。

公开(公告)号：US08643909B2

公开(公告)日：2014-02-04

申请号：US13035071

申请日：2011-02-25

Applicant: Yoshinori Osakabe ,  Takayuki Akimatsu

Inventor： Yoshinori Osakabe ,  Takayuki Akimatsu

IPC: H04N1/407

CPC classification number: H04N1/121 ,  H04N1/00045 ,  H04N1/02815 ,  H04N1/02845 ,  H04N1/02855 ,  H04N1/1225 ,  H04N1/125 ,  H04N1/203 ,  H04N1/2032 ,  H04N2201/0006 ,  H04N2201/044

Abstract: An image reader is provided, which includes a reference position determining unit configured to, in a state where a bright area and a dark area are formed on a reflection surface when a light projecting unit projects light toward a part of the reflection surface, receive the light reflected from the reflection surface with a light receiving portion of a reading unit while restricting a light emitting portion of the reading unit from emitting light, detect a position of the bright area and a position of the dark area in a main scanning direction, and determine a reference position in the main scanning direction based on the detected positions of the bright area and the dark area.

Abstract translation: 提供了一种图像读取器，其包括：基准位置确定单元，被配置为当光投射单元向反射面的一部分投射光时，在反射面上形成亮区域和暗区域的状态， 在读取单元的光接收部分从反射面反射的光在限制读取单元的发光部分发光的同时，检测亮区域的位置和暗区域在主扫描方向上的位置，以及 基于检测到的亮区域和暗区域的位置，确定主扫描方向上的基准位置。

公开(公告)号：US20140029070A1

公开(公告)日：2014-01-30

申请号：US13918089

申请日：2013-06-14

Applicant: CANON KABUSHIKI KAISHA

Inventor： Kazuyuki Morinaga ,  Kaneto Tokuyama

IPC: H04N1/12

CPC classification number: H04N1/121 ,  H04N1/0057 ,  H04N1/0464 ,  H04N1/1017 ,  H04N1/103 ,  H04N1/1039 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/044

Abstract: An image reading apparatus comprises a feeding mechanism conveying a document, a moving mechanism moving a reading unit, a driving source shared by the mechanisms, a biasing mechanism moving the reading unit to a predetermined position by an elastic member when the reading unit is moved out of a reading region, a transmission element being displaced by the movement of the reading unit and switching transmission of the drive force, and a disengaging mechanism disengaging the reading unit in the predetermined position to the reading region from the predetermined position by the drive force of the driving source.

Abstract translation: 图像读取装置包括传送文件的进给机构，移动读取单元的移动机构，由机构共享的驱动源，偏移机构，当读取单元移出时，偏置机构通过弹性构件将读取单元移动到预定位置 通过读取单元的移动而使传动元件移动并切换传动的驱动力，以及分离机构将预定位置的读取单元与预定位置之间的读取区域从预定位置通过驱动力的驱动力 的驱动源。

公开(公告)号：US20130342882A1

公开(公告)日：2013-12-26

申请号：US13915920

申请日：2013-06-12

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masafumi Takahashi

IPC: H04N1/00

CPC classification number: H04N1/00615 ,  H04N1/00557 ,  H04N1/1235 ,  H04N1/193 ,  H04N1/2032 ,  H04N2201/044

Abstract: Disclosed is an image reading apparatus comprising: a movable unit having a transparent member; a guide portion arranged to face the transparent member to guide a conveyed sheet; a reader portion configured to read an image on a sheet guided by the guide portion past the transparent member; abutting portions that are provided on the guide portion and abut on the movable unit; an actuating portion configured to move the movable unit in a direction along the surface of the transparent member; and an engaging portion provided on the movable unit and engaged with the guide member such that the movable unit and the abutting portion are separated from each other as the movable unit is moved by the actuating portion.

Abstract translation: 公开了一种图像读取装置，包括：具有透明构件的可移动单元; 导向部，布置成面对透明构件以引导被输送的片; 读取器部分，被配置为读取由引导部分引导的片材上的图像经过透明构件; 邻接部分设置在引导部分上并抵靠在可移动单元上; 致动部，其构造成沿着所述透明构件的表面的方向移动所述可动单元; 以及设置在所述可动单元上并与所述引导构件接合的接合部分，使得当所述可动单元被所述致动部分移动时，所述可动单元和所述抵接部分彼此分离。

公开(公告)号：US20130335754A1

公开(公告)日：2013-12-19

申请号：US13914305

申请日：2013-06-10

Applicant: Canon Kabushiki Kaisha

Inventor： Takehito Utsunomiya

IPC: H04N1/00

CPC classification number: H04N1/00809 ,  H04N1/0058 ,  H04N1/00586 ,  H04N1/0473 ,  H04N2201/0091 ,  H04N2201/044 ,  H04N2201/04755 ,  H04N2201/04793

Abstract: An image reading unit configured to rotate and read a front and a back of a document may deviate from an original reading position due to aged deterioration or an external physical impact and become incapable of reading an image accurately. An image processing apparatus rotates an image reading unit including a sensor in units of predetermined angles to read a white reference member, acquires luminance information about the white reference member at the respective predetermined angles of rotation, determines an angle at which the luminance information is greater than other pieces of the luminance information among a plurality of pieces of the acquired luminance information at the respective predetermined angles, and rotates the image reading unit based on the determined angle to correct a reference position of the image reading unit.

Abstract translation: 被配置为旋转和读取文件的前后的图像读取单元可能由于老化劣化或外部物理冲击而偏离原始读取位置，并且不能准确地读取图像。 图像处理设备使包括传感器的图像读取单元以预定角度为单位旋转以读取白色参考构件，以各个预定旋转角度获取关于白色基准构件的亮度信息，确定亮度信息更大的角度 在各个预定角度的多个获取的亮度信息中的亮度信息中的其他片段，并且基于所确定的角度旋转图像读取单元，以校正图像读取单元的基准位置。

公开(公告)号：US08582185B2

公开(公告)日：2013-11-12

申请号：US11682688

申请日：2007-03-06

Applicant: Takahiro Ikeno

Inventor： Takahiro Ikeno

IPC: H04N1/04

CPC classification number: H04N1/4092 ,  H04N2201/044 ,  H04N2201/0458

Abstract: According to an embodiment of the present invention, an image reader comprises a plurality of light receiving elements configured to receive light from an object to be read and to convert the light into image signals. The image reader further comprises means for determining a distance between the object and the plurality of light receiving elements at a plurality of different positions of the object. Moreover the image reader comprises means for selecting at least one correction process portion based at least on the distance between the object and the plurality of light receiving elements. The image reader comprises means for applying the at least one selected correction process to the image signal.

Abstract translation: 根据本发明的实施例，图像读取器包括被配置为从待读取的对象接收光并将光转换为图像信号的多个光接收元件。 图像读取器还包括用于确定物体与多个光接收元件在物体的多个不同位置之间的距离的装置。 此外，图像读取器包括用于至少基于对象和多个光接收元件之间的距离来选择至少一个校正处理部分的装置。 图像读取器包括用于将至少一个所选择的校正处理应用于图像信号的装置。

公开(公告)号：US08537442B2

公开(公告)日：2013-09-17

申请号：US12775231

申请日：2010-05-06

Applicant: Kazuko Hagio ,  Kosuke Shimizu

Inventor： Kazuko Hagio ,  Kosuke Shimizu

IPC: G03F3/08 ,  H04N1/60 ,  H04N1/46 ,  G06K9/00

CPC classification number: H04N1/00002 ,  H04N1/00013 ,  H04N1/00023 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00087 ,  H04N1/0009 ,  H04N1/02865 ,  H04N1/56 ,  H04N1/6019 ,  H04N2201/0006 ,  H04N2201/044

Abstract: An image reading apparatus includes: a light source that generates light by synthesizing light from different illuminants and irradiates an irradiated object with the generated light; a reading unit that reads light irradiated by the light source and reflected by the irradiated object and generates image information in a first color space on the irradiated object; a color conversion unit that converts the image information in the first color space into image information in a second color space with a color conversion factor group; and a color conversion factor group setting unit that acquires from the reading unit the image information generated by using, as the irradiated object, a color sample formed in a color of light emitted by one of the illuminants, determines the color conversion factor group to be used, according to the acquired image information, and sets the color conversion factor group to the color conversion unit.

Abstract translation: 图像读取装置包括：光源，通过合成来自不同光源的光并照射产生的光的照射物体来产生光; 读取单元，其读取由所述光源照射并被所述被照射物体反射的光，并且在被照射物体上的第一颜色空间中生成图像信息; 颜色转换单元，其利用颜色转换因子组将第一颜色空间中的图像信息转换为第二颜色空间中的图像信息; 以及颜色转换因子组设定单元，其从所述读取单元获取通过使用由所述照射对象使用由所述发光体中的一个发出的光的颜色形成的颜色样本而生成的图像信息，将所述颜色转换因子组确定为 根据获取的图像信息使用，并将颜色转换因子组设置为颜色转换单元。

公开(公告)号：US20130215479A1

公开(公告)日：2013-08-22

申请号：US13845527

申请日：2013-03-18

Applicant: Canon Kabushiki Kaisha

Inventor： Koji Yasuzaki

IPC: H04N1/047

CPC classification number: H04N1/047 ,  H04N1/00904 ,  H04N1/00912 ,  H04N1/00928 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/044

Abstract: An image-reading apparatus and method for controlling the image-reading apparatus including a document plate where an original document is placed, a line image sensor that reads an image on the document plate by scanning to obtain image data, a reference-setting image that is placed outside a region of the document plate at a position where the line image sensor is able to read the reference-setting image, and a control unit configured to set a reference position when the image sensor reads the image, wherein the control unit detects the reference-setting image from the image data and, depending on a power-on state of the image-reading apparatus, selects the manner in which the reference position is set based on the reference-setting image.

公开(公告)号：US08467111B2

公开(公告)日：2013-06-18

申请号：US12817966

申请日：2010-06-17

Applicant: Mitsugu Kamio ,  Kosuke Shimizu

Inventor： Mitsugu Kamio ,  Kosuke Shimizu

IPC: H04N1/04 ,  H04N1/46

CPC classification number: H04N1/00002 ,  H04N1/00013 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00087 ,  H04N1/1013 ,  H04N1/12 ,  H04N1/193 ,  H04N1/401 ,  H04N2201/0081 ,  H04N2201/044 ,  H04N2201/33314

Abstract: An image reading apparatus includes: an image reading unit including a light source and a light receiving unit, and being capable of reading an image of a document sheet with predetermined plural reading conditions; a first light quantity information acquiring unit acquiring first light quantity information on a quantity of light emitted from the light source to a first white reference plate and received by the light receiving unit, for each reading condition; a second light quantity information acquiring unit acquiring second light quantity information on a quantity of light emitted from the light source to a second white reference plate and received by the light receiving unit, for fewer reading conditions than all the plural reading conditions; and a third light quantity information acquiring unit acquiring the second light quantity information for reading conditions other than the fewer reading conditions by using the acquired first light quantity information.

Abstract translation: 一种图像读取装置，包括：图像读取单元，包括光源和光接收单元，并且能够以预定的多个读取条件读取原稿的图像; 第一光量信息获取单元，对于每个读取条件，获取关于从所述光源发射的光量到由所述光接收单元接收的第一白参考板的第一光量信息; 第二光量信息获取单元获取关于从所述多个读取条件比较少的读取条件的从所述光源发射的光量到由所述光接收单元接收的第二白基准板的光的第二光量信息; 以及第三光量信息获取单元，通过使用所获取的第一光量信息获取用于读取除了较少读取条件之外的条件的第二光量信息。

公开(公告)号：US20130135693A1

公开(公告)日：2013-05-30

申请号：US13677603

申请日：2012-11-15

Applicant: Yoshihisa SOEDA

Inventor： Yoshihisa SOEDA

IPC: H04N1/00

CPC classification number: H04N1/00 ,  H04N1/00013 ,  H04N1/00037 ,  H04N1/00045 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00076 ,  H04N1/00079 ,  H04N1/00896 ,  H04N1/40056 ,  H04N1/407 ,  H04N2201/0081 ,  H04N2201/0094 ,  H04N2201/044

Abstract: An image reader capable of entering a power save mode for saving power consumption during standby includes: a gain amplifier; a reference white plate that is to be scanned when gain control of the gain amplifier is performed to obtain a controlled gain value; a carriage that moves to an stops at an area corresponding to the reference white plate when the image reader enters the power save mode; a gain storage section that stores the controlled gain value as a recovery parameter when the image reader enters the power save mode; and a gain setting section that sets the recovery parameter as the controlled gain value when the image reader exits the power save mode.

Abstract translation: 能够进入省电模式以节省待机时的功耗的图像读取器包括：增益放大器; 执行增益放大器的增益控制时要扫描的参考白板以获得受控增益值; 当图像读取器进入省电模式时，移动到与参考白板相对应的区域处的停止的托架; 增益存储部，其在图像读取器进入省电模式时，将受控增益值作为恢复参数存储; 以及增益设置部分，当图像读取器退出节电模式时，将恢复参数设置为受控增益值。