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    IMAGE FORMING APPARATUS, RECORDING MEDIUM CONVEYING METHOD, AND RECORDING MEDIUM
    1.
    发明申请
    IMAGE FORMING APPARATUS, RECORDING MEDIUM CONVEYING METHOD, AND RECORDING MEDIUM 审中-公开

    公开(公告)号：US20190283469A1

    公开(公告)日：2019-09-19

    申请号：US16294613

    申请日：2019-03-06

    申请人： Masayuki Fujii ,  Nobuyuki Satoh ,  Suguru Masunaga ,  Satoshi Iwanami

    发明人： Masayuki Fujii ,  Nobuyuki Satoh ,  Suguru Masunaga ,  Satoshi Iwanami

    IPC分类号： B41J13/00 ,  B41J2/21

    摘要： An image forming apparatus includes a conveyance device to convey a recording medium in a first direction and a second direction opposite the first direction; an image forming device; an imaging device; and circuitry to control the image forming apparatus. Controlled by the circuitry, the image forming device forms the colorimetric pattern on the recording medium that has been conveyed in the first direction by a predetermined distance after the marker pattern is formed. Controlled by the circuitry, after the colorimetric pattern is fixed, the circuitry causes the conveyance device to convey the recording medium in the second direction by an amount equivalent to a distance from the marker pattern to an imaging position by the imaging device plus a margin, conveys the recording medium in the first direction until the imaging device detects the marker pattern, and conveys the recording medium in the first direction to a colorimetry position.

    Image forming apparatus, recording medium conveying method, and recording medium
    2.
    发明授权
    Image forming apparatus, recording medium conveying method, and recording medium 有权

    公开(公告)号：US10766282B2

    公开(公告)日：2020-09-08

    申请号：US16294613

    申请日：2019-03-06

    申请人： Masayuki Fujii ,  Nobuyuki Satoh ,  Suguru Masunaga ,  Satoshi Iwanami

    发明人： Masayuki Fujii ,  Nobuyuki Satoh ,  Suguru Masunaga ,  Satoshi Iwanami

    IPC分类号： B41J11/00 ,  B41J13/00 ,  B41J2/21 ,  H04N1/60 ,  H04N1/00

    摘要： An image forming apparatus includes a conveyance device to convey a recording medium in a first direction and a second direction opposite the first direction; an image forming device; an imaging device; and circuitry to control the image forming apparatus. Controlled by the circuitry, the image forming device forms the colorimetric pattern on the recording medium that has been conveyed in the first direction by a predetermined distance after the marker pattern is formed. Controlled by the circuitry, after the colorimetric pattern is fixed, the circuitry causes the conveyance device to convey the recording medium in the second direction by an amount equivalent to a distance from the marker pattern to an imaging position by the imaging device plus a margin, conveys the recording medium in the first direction until the imaging device detects the marker pattern, and conveys the recording medium in the first direction to a colorimetry position.

    IMAGE CAPTURING DEVICE, COLOR MEASURING DEVICE, COLOR MEASURING SYSTEM, AND IMAGE FORMING APPARATUS
    7.
    发明申请
    IMAGE CAPTURING DEVICE, COLOR MEASURING DEVICE, COLOR MEASURING SYSTEM, AND IMAGE FORMING APPARATUS 审中-公开
    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。

    OPTICAL SENSOR DEVICE, COLORIMETRIC DEVICE, AND IMAGE FORMING APPARATUS
    9.
    发明申请
    OPTICAL SENSOR DEVICE, COLORIMETRIC DEVICE, AND IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20190294935A1

    公开(公告)日：2019-09-26

    申请号：US16356624

    申请日：2019-03-18

    申请人： Satoshi Iwanami ,  Nobuyuki Satoh ,  Hirohito Murate

    发明人： Satoshi Iwanami ,  Nobuyuki Satoh ,  Hirohito Murate

    IPC分类号： G06K15/02 ,  G06K15/10 ,  G06T7/90 ,  H04N1/60 ,  G01J3/50 ,  G01J1/44

    摘要： An optical sensor device includes a first light source, a second light source, a sensor, and control circuitry. The first light source has a plurality of peak wavelengths in a wavelength range of 400 nm to 780 nm. The second light source emits ultraviolet light. The control circuitry adjusts a light amount of the first light source based on an output of the sensor in a state the first light source is on and the second light source is off, adjusts a light amount of the second light source based on an output of the sensor in a state the second light source is on and the first light source is off, and acquires a correction value of data output by the sensor, based on an output of the sensor in a state each of the first and second light sources is on with the light amount adjusted.

    Image capturing device, color measuring device, color measuring system, and image forming apparatus
    10.
    发明授权
    Image capturing device, color measuring device, color measuring system, and image forming apparatus 有权
    图像捕获装置，色彩测量装置，彩色测量系统和图像形成装置

    公开(公告)号：US08922831B2

    公开(公告)日：2014-12-30

    申请号：US13852371

    申请日：2013-03-28

    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： G06F15/00 ,  G06K1/00 ,  G06K15/02 ,  H04N1/409 ,  H04N1/60

    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。