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1.发明申请公开(公告)号：US20180141329A1
公开(公告)日：2018-05-24
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
CPC分类号： B41J2/04505 , B41J2/04586 , B41J2/2135 , B41J11/46 , B41J19/145 , B41J29/02 , B41J29/13 , B41J29/393
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.
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2.发明授权公开(公告)号：US10286699B2
公开(公告)日：2019-05-14
申请号：US15818671
申请日：2017-11-20
申请人： Masaya Kawarada , Nobuyuki Satoh , Suguru Yokozawa , Kohta Aoyagi , Kenta Sasaki
发明人： Masaya Kawarada , Nobuyuki Satoh , Suguru Yokozawa , Kohta Aoyagi , Kenta Sasaki
摘要： An imaging device includes an imaging unit to obtain a captured image of a test pattern and a reference mark to locate the test pattern and at least one processor. The test pattern includes a pair of first marks and a second mark. The processor includes a position detector configured to detect the reference mark in the captured image and locate the pair of first marks and the second mark in the captured image, and a ratio calculator configured to calculate one of a first ratio between a distance between the pair of first marks in the captured image and a deviation of the second mark in the captured image, and a second ratio between the distance between the pair of first marks in the captured image and a distance from one of the pair of first marks to the second mark in the captured image.
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公开(公告)号：US10252517B2
公开(公告)日：2019-04-09
申请号：US15808820
申请日：2017-11-09
IPC分类号： B41J2/045 , B41J29/393 , B41J29/13 , B41J2/21 , B41J11/46
摘要： An image forming apparatus includes an image forming device; an imaging device; and at least one processor including a pattern forming unit to cause a recording head to form a pair of first marks, with first and second nozzles disposed at a first distance from each other in a direction of conveyance of a recording medium, while the recording head moves in a first direction and cause the recording head to form a second mark while the recording head moves in a second direction, a position detector to detect positions of the first and second marks in a captured image, a ratio calculator to calculate a ratio between a distance between the first marks in the captured image and a deviation of the second mark in the captured image, and distance calculator to calculate a distance of the deviation based on the first distance and the ratio.
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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
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.
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公开(公告)号：US20180147835A1
公开(公告)日：2018-05-31
申请号：US15808820
申请日：2017-11-09
IPC分类号： B41J2/045 , B41J29/393
CPC分类号： B41J2/04505 , B41J2/04586 , B41J2/2135 , B41J11/46 , B41J29/13 , B41J29/393
摘要： An image forming apparatus includes an image forming device; an imaging device; and at least one processor including a pattern forming unit to cause a recording head to form a pair of first marks, with first and second nozzles disposed at a first distance from each other in a direction of conveyance of a recording medium, while the recording head moves in a first direction and cause the recording head to form a second mark while the recording head moves in a second direction, a position detector to detect positions of the first and second marks in a captured image, a ratio calculator to calculate a ratio between a distance between the first marks in the captured image and a deviation of the second mark in the captured image, and distance calculator to calculate a distance of the deviation based on the first distance and the ratio.
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6.发明申请公开(公告)号：US20180141359A1
公开(公告)日：2018-05-24
申请号：US15818671
申请日：2017-11-20
申请人： Masaya Kawarada , Nobuyuki Satoh , Suguru Yokozawa , Kohta Aoyagi , Kenta Sasaki
发明人： Masaya Kawarada , Nobuyuki Satoh , Suguru Yokozawa , Kohta Aoyagi , Kenta Sasaki
IPC分类号： B41J29/393 , B41J2/045
CPC分类号： B41J29/393 , B41J2/04505 , B41J2/0458 , B41J2/04581 , B41J2/2135 , B41J11/46 , B41J19/145 , B41J29/13 , B41J2029/3935
摘要： An imaging device includes an imaging unit to obtain a captured image of a test pattern and a reference mark to locate the test pattern and at least one processor. The test pattern includes a pair of first marks and a second mark. The processor includes a position detector configured to detect the reference mark in the captured image and locate the pair of first marks and the second mark in the captured image, and a ratio calculator configured to calculate one of a first ratio between a distance between the pair of first marks in the captured image and a deviation of the second mark in the captured image, and a second ratio between the distance between the pair of first marks in the captured image and a distance from one of the pair of first marks to the second mark in the captured image.
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7.发明授权公开(公告)号：US09367013B2
公开(公告)日：2016-06-14
申请号：US14789015
申请日：2015-07-01
申请人： Kenji Morita , Nobuyuki Satoh , Mamoru Yorimoto , Masayuki Fujii , Daisaku Horikawa , Suguru Yokozawa , Masahiro Hiranuma , Masaya Kawarada
发明人： Kenji Morita , Nobuyuki Satoh , Mamoru Yorimoto , Masayuki Fujii , Daisaku Horikawa , Suguru Yokozawa , Masahiro Hiranuma , Masaya Kawarada
CPC分类号： G03G15/55 , B41J2/01 , B41J11/0095 , B41J29/38 , G01J3/46 , G01J3/501 , G01N15/0205 , G01N21/251 , G03G15/5062 , H04N1/6086
摘要： An imaging device includes: a housing having an opening in a surface thereof facing a subject; a light source that irradiates the subject with light; a two-dimensional image sensor that captures, from inside of the housing through the opening; an image of the subject illuminated by the light source; an optical member that is disposed between the two-dimensional image sensor and the opening and that transmits light reflected off the subject; and a contamination inspection member that is disposed between the opening and the optical member and that causes inspection light for inspecting contamination on the optical member to be incident upon the two-dimensional image sensor via the optical member.
摘要翻译： 一种成像装置包括：壳体，其在面向被检体的表面中具有开口; 用光照射被摄体的光源; 二维图像传感器，从壳体的内部通过开口捕获; 由光源照射的被摄体的图像; 光学构件，其设置在所述二维图像传感器和所述开口之间，并且透射从所述被摄体反射的光; 以及污染检查构件，其设置在所述开口和所述光学构件之间，并且使得检查光用于检查所述光学构件上的污染物经由所述光学构件入射到所述二维图像传感器。
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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
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。
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9.发明授权公开(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
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。
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10.发明申请公开(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
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。
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