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1. 发明授权

US5867759A Color image forming apparatus with positional deviation detecting pattern and method therefor 失效
标题翻译：具有位置偏差检测图案的彩色图像形成装置及其方法
公开(公告)号：US5867759A
公开(公告)日：1999-02-02
申请号：US909705
申请日：1997-08-08
申请人： Takundo Isobe , Ken-ichirou Asada , Nobuyuki Satoh , Kazuyuki Futami , Toshio Shimazaki , Hideaki Sugata , Hiroshi Ono
发明人： Takundo Isobe , Ken-ichirou Asada , Nobuyuki Satoh , Kazuyuki Futami , Toshio Shimazaki , Hideaki Sugata , Hiroshi Ono
IPC分类号： G03G15/01 , H04N1/50
CPC分类号： H04N1/506 , G03G15/0194
摘要： A color image forming apparatus for superimposing images formed on a plurality of photoconductive elements onto a copy sheet includes a sensor for reading a transfer member and a positional deviation detecting pattern formed on the transfer member, a memory for storing information relating to an area having no roughness, such as a scar, on the transfer member, a detector for detecting the area having no roughness on the basis of a signal read by the sensor and for causing the memory to store the information relating to the area, and a color deviation corrector for correcting color deviation on the basis of the signal generated by the sensor reading the positional deviation detecting pattern. The positional deviation detecting pattern is formed at an area of the transfer member having no roughness.
摘要翻译：一种用于将形成在多个光电导元件上的图像叠加到复印纸上的彩色图像形成装置包括用于读取转印部件的传感器和形成在转印部件上的位置偏差检测图案，存储器，用于存储与没有基于传感器读取的信号检测出不粗糙区域的检测器，以及使存储器存储与该区域有关的信息的检测器，以及颜色偏差校正器用于基于读取位置偏差检测图案的传感器产生的信号来校正颜色偏差。位置偏差检测图案形成在转印部件的没有粗糙度的区域。

2. 发明授权

US10207495B2 Image forming apparatus, method for calculating actual distance of deviation, and computer program product storing same 有权
公开(公告)号：US10207495B2
公开(公告)日：2019-02-19
申请号：US15808813
申请日：2017-11-09
申请人： Kohta Aoyagi , Suguru Yokozawa , Masaya Kawarada , Nobuyuki Satoh
发明人： Kohta Aoyagi , Suguru Yokozawa , Masaya Kawarada , Nobuyuki Satoh
IPC分类号： B41J2/045 , B41J29/393 , B41J2/21 , B41J11/46 , B41J19/14 , B41J29/02 , B41J29/13
摘要： An image forming apparatus includes a conveyor to convey a recording medium; an image forming device including a recording head to form a test pattern including a first mark and a pair of second marks; an imaging device; and a processor. The processor includes a pattern forming unit to cause the image forming device to form one of the first and second marks and form the other after the conveyor conveys the recording medium by a predetermined conveyance amount, a position detector to detect positions of the first and second marks in the captured image, a ratio calculator to calculate a ratio between a distance between the second marks and deviation of the first mark in the captured image, and a distance calculator to calculate an actual distance of the deviation based on a theoretical distance between the second marks and the ratio.

3. 发明授权

US09744785B2 Medium identification device, image forming apparatus, method of identifying medium, and computer program product 有权
公开(公告)号：US09744785B2
公开(公告)日：2017-08-29
申请号：US15145597
申请日：2016-05-03
申请人： Suguru Yokozawa , Nobuyuki Satoh , Mamoru Yorimoto , Kenji Morita , Masayuki Fujii , Daisaku Horikawa
发明人： Suguru Yokozawa , Nobuyuki Satoh , Mamoru Yorimoto , Kenji Morita , Masayuki Fujii , Daisaku Horikawa
IPC分类号： B41J29/393 , B41J11/00 , G03G15/00 , G01N21/55 , G01N21/25 , G01N21/57
CPC分类号： B41J29/393 , B41J11/009 , G01N21/251 , G01N21/55 , G01N21/57 , G01N2021/556 , G01N2021/557 , G01N2201/12 , G03G15/5029 , G03G15/5062 , G03G15/6591
摘要： A medium identification device identifies a type of a recording medium used for image formation. The medium identification device includes: a two-dimensional image sensor that captures an image of the recording medium; and an identifying unit that obtains a glossiness evaluation value indicating glossiness of the recording medium, a surface roughness evaluation value indicating surface roughness of the recording medium, and a coloring evaluation value indicating coloring of the recording medium, using image data of a specular reflection region reflecting specular reflection light from the recording medium and image data of a diffused reflection region reflecting diffused reflection light from the recording medium, the regions being in the image of the recording medium, and identifies the type of the recording medium by combining determination using the glossiness evaluation value, determination using the surface roughness evaluation value, and determination using the coloring evaluation value.

4. 发明授权

US09549097B2 Imaging device, image forming apparatus, and method of controlling driving of two-dimensional image sensor 有权
标题翻译：成像装置，图像形成装置以及二维图像传感器的驱动控制方法
公开(公告)号：US09549097B2
公开(公告)日：2017-01-17
申请号：US14565182
申请日：2014-12-09
申请人： Hiroshi Matsumoto , Nobuyuki Satoh , Mamoru Yorimoto , Masato Kobayashi , Masayuki Fujii , Satoshi Hirata
发明人： Hiroshi Matsumoto , Nobuyuki Satoh , Mamoru Yorimoto , Masato Kobayashi , Masayuki Fujii , Satoshi Hirata
IPC分类号： H04N1/60 , H04N1/48 , H04N1/401
CPC分类号： H04N1/60 , H04N1/401 , H04N1/48
摘要： An imaging device comprises: a two-dimensional image sensor that includes a plurality of light receiving units capable of reading an output value individually according to a volume of received light thereof; a receiving unit that receives a control signal that specifies an operation mode of the two-dimensional image sensor that is predetermined according to a purpose of using the output value; and a sensor controller that sets, on the basis of the control signal received by the receiving unit, an imaging area representing an area of a light receiving unit that reads the output value from among the light receiving units of the two-dimensional image sensor and controls reading of the output value.
摘要翻译：一种成像装置包括：二维图像传感器，其包括能够根据其接收光的体积单独读取输出值的多个光接收单元; 接收单元，其接收指定根据使用所述输出值的目的而预先确定的所述二维图像传感器的操作模式的控制信号; 以及传感器控制器，其基于由所述接收单元接收的控制信号，设置表示从所述二维图像传感器的所述光接收单元中读取所述输出值的光接收单元的区域的成像区域，以及控制输出值的读数。

5. 发明授权

US09370930B2 Nozzle testing device and image forming apparatus 有权
标题翻译：喷嘴检测装置和成像装置
公开(公告)号：US09370930B2
公开(公告)日：2016-06-21
申请号：US14753729
申请日：2015-06-29
申请人： Daisaku Horikawa , Nobuyuki Satoh , Mamoru Yorimoto , Kenji Morita , Masayuki Fujii , Suguru Yokozawa , Masahiro Hiranuma , Yuichi Sakurada , Tomohiro Sasa , Masaya Kawarada
发明人： Daisaku Horikawa , Nobuyuki Satoh , Mamoru Yorimoto , Kenji Morita , Masayuki Fujii , Suguru Yokozawa , Masahiro Hiranuma , Yuichi Sakurada , Tomohiro Sasa , Masaya Kawarada
IPC分类号： B41J2/045 , B41J2/165
CPC分类号： B41J2/16579
摘要： A nozzle testing device includes: a two-dimensional image sensor to capture an image of a pattern formed on a recording object by discharging ink from a nozzle row while moving the nozzle row and the recording object relative to each other in a direction orthogonal to the nozzle row; a light source unit provided such that regularly reflected light by the pattern forms a regular reflection area in the image of the pattern captured by the two-dimensional image sensor; and a detection unit to analyze the image to detect discharge failure of the nozzles. The regular reflection area is formed in the image such that a dimension in a direction corresponding to the direction of relative movement between the nozzle row and the recording object is greater than a dimension in a direction orthogonal to the direction corresponding to the direction of relative movement in the image.
摘要翻译：喷嘴检测装置包括：二维图像传感器，用于通过从喷嘴列排出墨水来捕捉形成在记录对象上的图案的图像，同时沿着与喷嘴列正交的方向相对于彼此移动喷嘴列和记录物体喷嘴排光源单元被设置成使得由图案规则反射的光在由二维图像传感器捕获的图案的图像中形成规则的反射区域; 以及检测单元，用于分析图像以检测喷嘴的排出故障。在图像中形成规则反射区域，使得与喷嘴列和记录物体之间的相对移动方向相对应的方向上的尺寸大于与相对于相对移动方向相对应的方向正交的方向上的尺寸在图像中。

6. 发明授权

US09347873B2 Image forming apparatus, calibration method, and drying determination method 有权
标题翻译：成像设备，校准方法和干燥测定方法
公开(公告)号：US09347873B2
公开(公告)日：2016-05-24
申请号：US14563643
申请日：2014-12-08
申请人： Masayuki Fujii , Nobuyuki Satoh , Mamoru Yorimoto , Masato Kobayashi , Hiroshi Matsumoto , Daisaku Horikawa , Suguru Yokozawa , Kenji Morita , Yuichi Sakurada , Tomohiro Sasa , Masaya Kawarada
发明人： Masayuki Fujii , Nobuyuki Satoh , Mamoru Yorimoto , Masato Kobayashi , Hiroshi Matsumoto , Daisaku Horikawa , Suguru Yokozawa , Kenji Morita , Yuichi Sakurada , Tomohiro Sasa , Masaya Kawarada
IPC分类号： B41J29/393 , G01N21/25 , H04N1/60 , G01J3/02 , G01J3/46 , G01J3/52
CPC分类号： G01N21/251 , G01J3/0205 , G01J3/462 , G01J3/524 , H04N1/6033
摘要： An image forming apparatus includes a printing unit that prints at least one object image using a color material; a color information acquiring unit that acquires color information of the object image; and a control unit that starts one of colorimetry of the object image using the color information acquired by the color information acquiring unit and color adjustment of the printing unit after a variation amount of color information of the object image measured at different points of time is equal to or smaller than a predetermined threshold.
摘要翻译：图像形成装置包括使用彩色材料打印至少一个对象图像的打印单元; 颜色信息获取单元，其获取所述对象图像的颜色信息; 以及控制单元，其使用在颜色信息获取单元获取的颜色信息和在不同时间点测量的对象图像的颜色信息的变化量相等之后，打印单元的颜色调整来开始对象图像的比色法中的一种达到或小于预定阈值。

7. 发明申请

US20150158309A1 IMAGE FORMING APPARATUS, CALIBRATION METHOD, AND DRYING DETERMINATION METHOD 有权
标题翻译：图像形成装置，校准方法和干燥测定方法
公开(公告)号：US20150158309A1
公开(公告)日：2015-06-11
申请号：US14563643
申请日：2014-12-08
申请人： Masayuki Fujii , Nobuyuki Satoh , Mamoru Yorimoto , Masato Kobayashi , Hiroshi Matsumoto , Daisaku Horikawa , Suguru Yokozawa , Kenji Morita , Yuichi Sakurada , Tomohiro Sasa , Masaya Kawarada
发明人： Masayuki Fujii , Nobuyuki Satoh , Mamoru Yorimoto , Masato Kobayashi , Hiroshi Matsumoto , Daisaku Horikawa , Suguru Yokozawa , Kenji Morita , Yuichi Sakurada , Tomohiro Sasa , Masaya Kawarada
IPC分类号： B41J2/21 , G01N21/25
CPC分类号： G01N21/251 , G01J3/0205 , G01J3/462 , G01J3/524 , H04N1/6033
摘要： An image forming apparatus includes a printing unit that prints at least one object image using a color material; a color information acquiring unit that acquires color information of the object image; and a control unit that starts one of colorimetry of the object image using the color information acquired by the color information acquiring unit and color adjustment of the printing unit after a variation amount of color information of the object image measured at different points of time is equal to or smaller than a predetermined threshold.
摘要翻译：图像形成装置包括使用彩色材料打印至少一个对象图像的打印单元; 颜色信息获取单元，其获取所述对象图像的颜色信息; 以及控制单元，其使用在颜色信息获取单元获取的颜色信息和在不同时间点测量的对象图像的颜色信息的变化量相等之后，打印单元的颜色调整来开始对象图像的比色法中的一种达到或小于预定阈值。

8. 发明申请

US20150109646A1 IMAGE CAPTURING UNIT, COLOR MEASURING DEVICE, IMAGE FORMING DEVICE, COLOR MEASURING SYSTEM, AND COLOR MEASURING METHOD 有权
标题翻译：图像捕获单元，颜色测量装置，图像形成装置，颜色测量系统和颜色测量方法
公开(公告)号：US20150109646A1
公开(公告)日：2015-04-23
申请号：US14584837
申请日：2014-12-29
申请人： Suguru YOKOZAWA , Nobuyuki Satoh , Yasuyuki Suzuki , Masato Kobayashi , Yuichi Sakurada , Mamoru Yorimoto , Tatsuhiko Okada , Daisaku Horikawa , Masahiro Shigemoto , Kazushi Takei , Hideaki Suzuki , Satoshi Iwanami
发明人： Suguru YOKOZAWA , Nobuyuki Satoh , Yasuyuki Suzuki , Masato Kobayashi , Yuichi Sakurada , Mamoru Yorimoto , Tatsuhiko Okada , Daisaku Horikawa , Masahiro Shigemoto , Kazushi Takei , Hideaki Suzuki , Satoshi Iwanami
IPC分类号： G06K15/14
CPC分类号： G06K15/14 , G06K15/102 , G06K2215/0094 , G06K2215/101 , H04N1/00023 , H04N1/00045 , H04N1/00087 , H04N1/0009 , H04N1/0087 , H04N1/0282 , H04N1/034 , H04N1/50 , H04N1/6033
摘要： An image capturing unit includes a sensor section that images a predetermined range including a subject; a reference chart section that is imaged by the sensor section with the subject; and an illumination light source that illuminates the subject and the reference chart section. The illumination light source is arranged at a position where a mirror reflection region that mirror reflects light entering from the illumination light source to the sensor section is outside a region of the subject and the reference chart section.
摘要翻译：图像拍摄单元包括对包括被摄体的预定范围成像的传感器部分; 通过传感器部分与对象成像的参考图部分; 以及照明被摄体和参考图部分的照明光源。照明光源配置在将从照明光源进入的传感器部的反射光的镜面反射区域设置在被检体的区域和基准图部的外侧的位置。

9. 发明申请

US20150085305A1 IMAGE CAPTURING DEVICE, COLOR MEASURING DEVICE, COLOR MEASURING SYSTEM, AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像捕获设备，颜色测量设备，颜色测量系统和图像形成设备
公开(公告)号：US20150085305A1
公开(公告)日：2015-03-26
申请号：US14554993
申请日：2014-11-26
申请人： Hideaki Suzuki , Kazushi Takei , Satoshi Iwanami , Masahiro Shigemoto , Nobuyuki Satoh
发明人： Hideaki Suzuki , Kazushi Takei , Satoshi Iwanami , Masahiro Shigemoto , Nobuyuki Satoh
IPC分类号： G06K15/02 , H04N1/60 , H04N1/409
CPC分类号： G06K15/027 , H04N1/4097 , H04N1/6033
摘要： An image capturing device includes an image capturing unit, a moving unit, a detector, and a determiner. The image capturing unit includes an optical transmission member; and a sensor capturing an image of the subject via the optical transmission member. The moving unit moves the image capturing unit in an optical axis direction of the sensor. The detector detects a contamination from first and second images. The first and second images are captured by the sensor when the image capturing unit is located at first and second positions in the optical axis direction, respectively. The second position is spaced away from the subject than the first position in the optical axis direction. The determiner determines that a contamination is deposited on the optical transmission member when a difference in the number of pixels in which a contamination is detected between the first and second images is less than a threshold.
摘要翻译：图像捕获装置包括图像捕获单元，移动单元，检测器和确定器。图像捕获单元包括光传输部件; 以及经由光传输部件拍摄被检者的图像的传感器。移动单元沿着传感器的光轴方向移动图像捕获单元。检测器检测第一和第二图像的污染。当图像拍摄单元分别位于光轴方向上的第一和第二位置时，传感器捕获第一和第二图像。与光轴方向上的第一位置相比，第二位置与被摄体隔开。当在第一和第二图像之间检测到污染物的像素数量的差异小于阈值时，确定器确定污染物沉积在光传输部件上。

10. 发明授权

US08827401B2 Recording device including a device to detect misalignment of dots 有权
标题翻译：记录装置，包括检测点的未对准的装置
公开(公告)号：US08827401B2
公开(公告)日：2014-09-09
申请号：US12929629
申请日：2011-02-04
申请人： Tomonori Kimura , Yasuo Sakurai , Nobuyuki Satoh , Masato Kobayashi , Yuichi Sakurada , Arata Suzuki
发明人： Tomonori Kimura , Yasuo Sakurai , Nobuyuki Satoh , Masato Kobayashi , Yuichi Sakurada , Arata Suzuki
IPC分类号： B41J29/38 , B41J19/14
CPC分类号： B41J19/145
摘要： A recording device having a recording head including a nozzle line that eject ink from nozzles arranged in a transfer direction of a recording medium, a carriage, a moving device that moves the carriage forward and backward, a transfer device that transfers the recording medium, an ejection control device that forms a detection pattern by ejecting the ink, a two-dimensional sensor that detects the detection pattern, an analyzer that analyzes the image data of the detection pattern, and a detection device that detects misalignment of the printed dots, the ejection control device having a first dot group formation device that forms a first dot group, a second dot group formation device that forms a second dot group, and a third dot group formation device that forms a third dot group, the detection pattern being formed of the first dot group, the second dot group, and the third dot group.
摘要翻译：一种记录装置，具有记录头，该记录头包括从沿记录介质的传送方向排列的喷嘴喷射墨水的喷嘴线;滑架;前后移动滑架的移动装置;传送记录介质的传送装置; 喷射控制装置，其通过喷射墨形成检测图案;检测检测图案的二维传感器;分析检测图案的图像数据的分析器;以及检测印刷点的未对准的检测装置; 控制装置具有形成第一点组的第一点组形成装置，形成第二点组的第二点组形成装置和形成第三点组的第三点组形成装置，检测图案由第一点组，第二点组和第三点组。

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