公开(公告)号：US09473672B2

公开(公告)日：2016-10-18

申请号：US14875857

申请日：2015-10-06

Applicant: CANON KABUSHIKI KAISHA

Inventor： Daisuke Morikawa

IPC: H04N1/409 ,  H04N1/12 ,  H04N1/193 ,  H04N1/00 ,  H04N1/62

CPC classification number: H04N1/4097 ,  H04N1/00013 ,  H04N1/00023 ,  H04N1/00037 ,  H04N1/00039 ,  H04N1/00087 ,  H04N1/00092 ,  H04N1/12 ,  H04N1/1235 ,  H04N1/125 ,  H04N1/193 ,  H04N1/62 ,  H04N2201/0081 ,  H04N2201/044

Abstract: An image reading apparatus capable of accurately detecting abnormal pixels caused by a contaminant such as dirt, stain, or flaw on a moving document reading glass being read. An image processing unit of the image reading apparatus performs a first abnormal pixel detection process to detect pixel signals representing abnormal pixels and output from image sensors for respective colors when a reading unit reads a guide plate in a main scanning direction in a state before an original passes through a moving document reading position, performs a second abnormal pixel detection process to detect pixel signals representing abnormal pixels and output from the image sensors when an original being conveyed is read by the reading unit in the main scanning direction, and detects a main scanning direction of abnormal pixels based on results of these detection processes.

Abstract translation: 一种图像读取装置，其能够准确地检测由正在读取的移动文件读数玻璃上的诸如污物，污点或缺陷的污染物引起的异常像素。 图像读取装置的图像处理单元执行第一异常像素检测处理，以在原稿之前的状态下，当读取单元在主扫描方向上读取导板时，检测表示异常像素的像素信号并从各种颜色的图像传感器输出 通过移动文档读取位置，执行第二异常像素检测处理以检测表示异常像素的像素信号并且当正被传送的原稿在主扫描方向上被读取单元读取时，从图像传感器输出，并且检测主扫描 基于这些检测过程的结果，异常像素的方向。

公开(公告)号：US09065948B2

公开(公告)日：2015-06-23

申请号：US13484232

申请日：2012-05-30

Applicant: Yoshiaki Sugizaki ,  Hidetoshi Yokochi ,  Hiroyuki Tsuchihashi ,  Isao Yahata ,  Takahiro Kawaguchi ,  Ken Iguchi ,  Kikuo Mizutani ,  Hiroyuki Taki ,  Chiaki Iizuka ,  Toshiaki Oshiro ,  Hiroyuki Hazu ,  Yoichi Yamaguchi ,  Hiroyuki Sugiyama ,  Yuichi Saito ,  Jun Ishii

Inventor： Yoshiaki Sugizaki ,  Hidetoshi Yokochi ,  Hiroyuki Tsuchihashi ,  Isao Yahata ,  Takahiro Kawaguchi ,  Ken Iguchi ,  Kikuo Mizutani ,  Hiroyuki Taki ,  Chiaki Iizuka ,  Toshiaki Oshiro ,  Hiroyuki Hazu ,  Yoichi Yamaguchi ,  Hiroyuki Sugiyama ,  Yuichi Saito ,  Jun Ishii

IPC: H04N1/40 ,  H04N1/00 ,  H04N1/401 ,  H04N1/407 ,  H04N1/203 ,  G03G15/00

CPC classification number: H04N1/00588 ,  G03G15/60 ,  G03G2215/00189 ,  H04N1/00591 ,  H04N1/00602 ,  H04N1/00612 ,  H04N1/0062 ,  H04N1/00633 ,  H04N1/2032 ,  H04N1/401 ,  H04N1/4076 ,  H04N2201/044

Abstract: A shading device includes: a shading member to pass a conveying path for conveying a recoding medium to plural image reading sections and reach the plural image reading sections; and a moving member to move the shading member between the plural image reading sections and a retracted position on the outside of the conveying path.

Abstract translation: 遮光装置包括：遮光构件，用于将用于将记录介质传送到多个图像读取部分的传送路径，并到达多个图像读取部分; 以及移动构件，用于在多个图像读取部分之间移动遮光构件和在输送路径的外侧上的缩回位置。

公开(公告)号：US09001397B2

公开(公告)日：2015-04-07

申请号：US13112766

申请日：2011-05-20

Applicant: Norikazu Sakai ,  Kazunori Sato

Inventor： Norikazu Sakai ,  Kazunori Sato

IPC: H04N1/04 ,  H04N1/12 ,  H04N1/203 ,  H04N1/407 ,  H04N1/10 ,  H04N1/193

CPC classification number: H04N1/121 ,  H04N1/1013 ,  H04N1/1225 ,  H04N1/193 ,  H04N1/2032 ,  H04N1/4076 ,  H04N2201/044 ,  H04N2201/0456

Abstract: An image reading apparatus includes an apparatus body; a transport device that is openable and closable; an image reading unit disposed in one of the apparatus body and the transport device and reading an image of the document transported by the transport device; a member to be read that is disposed in the other of the apparatus body and the transport device at a position opposite the image reading unit when the transport device is closed, the member to be read being read by the image reading unit; and a control unit that causes the image reading unit to read the member to be read at a predetermined time, and if the transport device is open at the predetermined time, causes the image reading unit to read the member to be read when the document is transported by the transport device.

Abstract translation: 图像读取装置包括：装置本体; 一种可开启和关闭的运输设备; 图像读取单元，其设置在所述装置本体和所述输送装置的一个中，并读取由所述输送装置输送的所述原稿的图像; 要被读取的构件，当传送装置关闭时，在与图像读取单元相对的位置处设置在装置本体和传送装置中的另一个中，待读取的构件被图像读取单元读取; 以及控制单元，其使图像读取单元在预定时间读取要读取的构件，并且如果传输设备在预定时间打开，则当文档是文档是时，图像读取单元读取要读取的构件 由运输设备运输。

公开(公告)号：US08982436B2

公开(公告)日：2015-03-17

申请号：US13766169

申请日：2013-02-13

Applicant: Seiko Epson Corporation

Inventor： Aya Washizawa

IPC: G03F3/08 ,  H04N1/00 ,  H04N1/407 ,  H04N1/12

CPC classification number: H04N1/4076 ,  H04N1/00082 ,  H04N1/12 ,  H04N2201/044 ,  H04N2201/33328

Abstract: A carriage motor which is a heat generating device is arranged next to a CIS in a scanner unit. The carriage motor drives respective transport rollers of an ADF unit via a gear system as well. The scanner unit makes a white reference board be read so as to obtain white reference data, and obtains black reference data more frequently than the white reference data, e.g., in a continuous process for reading a document. As a CIS module continues a reading process, the black reference data changes as being affected by a change in temperature in the CIS module, etc. The scanner unit deals with such a change in the black reference data by obtaining the black reference data more frequently.

Abstract translation: 作为发热装置的滑架电动机位于扫描仪单元的CIS旁边。 滑架电机也通过齿轮系驱动ADF单元的各个输送辊。 扫描器单元读取白色参考板以获得白色参考数据，并且例如在用于读取文档的连续处理中，比白色参考数据更频繁地获得黑色参考数据。 随着CIS模块继续读取过程，黑色参考数据随CIS模块等的温度变化而变化。扫描仪单元通过更频繁地获取黑色参考数据来处理黑色参考数据的这种变化 。

公开(公告)号：US08928951B2

公开(公告)日：2015-01-06

申请号：US13913142

申请日：2013-06-07

Applicant: Canon Kabushiki Kaisha

Inventor： Takehito Utsunomiya

IPC: H04N1/04 ,  H04N1/00 ,  H04N1/407

CPC classification number: H04N1/00801 ,  H04N1/00572 ,  H04N1/4076 ,  H04N2201/044

Abstract: An image processing apparatus includes an acquisition unit configured to acquire luminance information of a white reference member by reading the white reference member with an image reading unit including a sensor while rotating the image reading unit in units of a predetermined angle, and a correction unit configured to correct the luminance information acquired by the acquisition unit using a correction coefficient predetermined for each rotation angle of the image reading unit.

Abstract translation: 一种图像处理装置，包括：获取单元，被配置为通过在以预定角度为单位旋转图像读取单元的同时通过包括传感器的图像读取单元读取白色基准构件来获取白色参考构件的亮度信息;以及校正单元， 使用对于图像读取单元的每个旋转角度预先确定的校正系数来校正由获取单元获取的亮度信息。

公开(公告)号：US20140218772A1

公开(公告)日：2014-08-07

申请号：US14168150

申请日：2014-01-30

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takahisa Koshimizu

IPC: H04N1/053 ,  H04N1/407

CPC classification number: H04N1/4076 ,  H04N1/00013 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00082 ,  H04N1/00814 ,  H04N1/02865 ,  H04N1/0301 ,  H04N1/1215 ,  H04N1/125 ,  H04N1/193 ,  H04N1/401 ,  H04N2201/0081 ,  H04N2201/044

Abstract: An image reading apparatus corrects a deviation of a reading position of a document to accurately correct a luminance intensity distribution variation. Light is radiated to a shading plate (102) provided at a portion different from a reading position (luminance-intensity-distribution-variation correction reading line 103b) for a document (P) while displacing an illumination unit (101), and shading correction is carried out based on a luminance value of reflection of the light. Light is radiated to the reading position before the document (P) is transported thereto while displacing the illumination unit (101) in the same direction as a displacement direction of the illumination unit (101) at a time of performing shading correction. The luminance value of the reflected light at this time is compared with the luminance value after the shading correction to generate luminance-value reference data before the reading of the document.

Abstract translation: 图像读取装置校正文档的读取位置的偏差，以准确校正亮度分布变化。 光照射到设置在不同于文档（P）的读取位置（亮度 - 分布变化校正读取线103b）的部分处，同时移动照明单元（101）的阴影板（102）和阴影校正 基于光的反射的亮度值进行。 在执行阴影校正之前，在将文件（P）传送到同时使照明单元（101）沿与照明单元（101）的位移方向相同的方向移动的同时，将光照射到读取位置。 将此时的反射光的亮度值与阴影校正后的亮度值进行比较，生成读取文件前的亮度参照数据。

公开(公告)号：US08749850B2

公开(公告)日：2014-06-10

申请号：US13188339

申请日：2011-07-21

Applicant: Yoshiharu Ikegawa

Inventor： Yoshiharu Ikegawa

IPC: G06F3/12 ,  H04N1/00 ,  H04N1/46

CPC classification number: H04N1/4097 ,  H04N1/00013 ,  H04N1/00018 ,  H04N1/00037 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00084 ,  H04N2201/044

Abstract: In an image reading apparatus, based on image data obtained by reading a white image, detection is performed of an abnormal pixel based on a foreign substance adhering to a reading position of an original and data indicating a position of the abnormal pixel is outputted, then image data obtained by reading an original is corrected based on that data, and detection of the abnormal pixel is carried out immediately prior to reading of a first original, and a correction process based on data indicating a position of the abnormal pixel is carried out on image data obtained by reading a second original following on from the first original.

Abstract translation: 在图像读取装置中，基于通过读取白色图像获得的图像数据，基于附着于原稿的读取位置的异物进行异常像素的检测，并且输出表示异常像素的位置的数据，然后 基于该数据校正通过读取原稿获得的图像数据，并且在读取第一原稿之前立即执行异常像素的检测，并且基于表示异常像素的位置的数据进行校正处理 通过从第一原稿读取随后的第二原稿获得的图像数据。

公开(公告)号：US20140139897A1

公开(公告)日：2014-05-22

申请号：US14164671

申请日：2014-01-27

Applicant: Atsushi Kasugai ,  Kazuma Hojo

Inventor： Atsushi Kasugai ,  Kazuma Hojo

IPC: H04N1/00

CPC classification number: H04N1/00087 ,  H04N1/1017 ,  H04N1/1026 ,  H04N1/1043 ,  H04N1/1048 ,  H04N1/1061 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/044 ,  H04N2201/0456

Abstract: An image reader includes a moving portion, a transparent plate, a reference member, and a detecting portion. The reference member that is provided in at least one of a position that is not the manuscript contact surface in the first scanning direction and a position that is further to a side in a first direction from the transparent plate than the manuscript contact surface. The detecting portion is supported by the moving portion and includes a plurality of detecting elements, in the second scanning direction, detecting reflected light of light irradiated from a light source. A height position of the detecting portion when the reference member is on the side in the first direction is further to the side in the first direction than a height position of the detecting portion when the manuscript contact surface is on the side in the first direction.

Abstract translation: 图像读取器包括移动部分，透明板，参考部件和检测部分。 所述参考构件设置在不是所述原稿接触面的位置中的至少一个中，所述参考构件在所述第一扫描方向上的位置和比所述原稿接触面更远离所述透明板的第一方向的一侧的位置。 检测部分由移动部分支撑，并且在第二扫描方向上包括检测从光源照射的光的反射光的多个检测元件。 当原稿接触面在第一方向的一侧时，当基准部件在第一方向的一侧时，检测部分的高度位置比在检测部分的高度位置的第一方向的一侧更进一步。

公开(公告)号：US08705138B2

公开(公告)日：2014-04-22

申请号：US13078451

申请日：2011-04-01

Applicant: Hideki Ando ,  Katsuhisa Ono

Inventor： Hideki Ando ,  Katsuhisa Ono

IPC: H04N1/407 ,  B41J2/00

CPC classification number: H04N1/00002 ,  B41J2/32 ,  B41J2/36 ,  H04N1/00015 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/121 ,  H04N1/193 ,  H04N1/6044 ,  H04N2201/044

Abstract: There is provided an image forming apparatus including a print head adapted to form an image on a recording medium, a transport path for the recording medium, the transport path being provided on at least one of a feed side and a discharge side of the recording medium with respect to the print head, an image reading device provided on the transport path, the image reading device being adapted to read an image formed by the print head, a correction chart provided opposite the image reading device with the transport path interposed in between, the correction chart being read by the image reading device in order to correct a reading result of the image reading device, based on information obtained from reading the correction chart, and a distance adjustment device adapted to increase or decrease the distance between the correction chart and the image reading device.

Abstract translation: 提供了一种图像形成装置，其包括适于在记录介质上形成图像的打印头，用于记录介质的传送路径，传送路径设置在记录介质的进给侧和排出侧中的至少一个 相对于打印头，设置在传送路径上的图像读取装置，所述图像读取装置适于读取由所述打印头形成的图像;校正图，设置在所述图像读取装置的与所述图像读取装置的相对的位置之间， 所述校正图表由所述图像读取装置读取，以便根据读取所述校正图形而获得的信息校正所述图像读取装置的读取结果;以及距离调整装置，其适于增加或减少所述校正图表与 图像读取装置。

公开(公告)号：US20140043629A1

公开(公告)日：2014-02-13

申请号：US13960056

申请日：2013-08-06

Applicant: Hiroki SHIRADO

Inventor： Hiroki SHIRADO

IPC: H04N1/387 ,  G06K15/00 ,  H04N1/44 ,  H04N1/00

CPC classification number: H04N1/3872 ,  G06K15/4095 ,  H04N1/00005 ,  H04N1/00037 ,  H04N1/0005 ,  H04N1/00082 ,  H04N1/00278 ,  H04N1/12 ,  H04N1/193 ,  H04N1/32048 ,  H04N1/32133 ,  H04N1/4433 ,  H04N2201/044 ,  H04N2201/3208 ,  H04N2201/3235 ,  H04N2201/3236 ,  H04N2201/3269 ,  H04N2201/327 ,  H04N2201/3271

Abstract: An image processing apparatus includes a scanning unit, a gloss detecting unit, and a glossy information processing unit. The scanning unit includes a light source and is configured to scan a document to be scanned at a first illumination position not resulting in halation caused by light of the light source output to the document, and scan the document at a second illumination position resulting in halation caused by the light output to the document. The gloss detecting unit is configured to detect a glossy portion of the document based on images scanned at the first illumination position and the second illumination position. The glossy information processing unit is configured to perform a predetermined process by using information represented by the detected glossy portion.

Abstract translation: 图像处理装置包括扫描单元，光泽检测单元和光泽信息处理单元。 扫描单元包括光源，并且被配置为在第一照明位置扫描要扫描的文档，而不会导致由输出到文档的光源的光引起的停止，并且在第二照明位置扫描文档导致暂停 由光输出引起的文件。 光泽检测单元被配置为基于在第一照明位置和第二照明位置扫描的图像来检测文档的光泽部分。 光泽信息处理单元被配置为通过使用由检测到的光泽部分表示的信息来执行预定处理。