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公开(公告)号：US10336066B2
公开(公告)日：2019-07-02
申请号：US15974265
申请日：2018-05-08
Applicant: SEIKO EPSON CORPORATION
Inventor： Tetsuo Tatsuda
Abstract: A printer including: a first printhead and a second printhead configured to eject ink to a print medium; a conveyance mechanism configured to convey the print medium; a camera configured to photograph the print medium; a carriage configured to carry and move the first printhead, the second printhead, and the camera; and a processor configured to print a third mark by the first printhead, photograph the third mark by the camera, adjust driving the conveyance mechanism and the carriage based on a result of the photograph, print a first mark and a second mark by the first printhead and the second printhead respectively, photograph the first mark and the second mark by the camera, and based on the result of the photograph, adjust the ink ejection timing of the second printhead.
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公开(公告)号：US20180343360A1
公开(公告)日：2018-11-29
申请号：US15986522
申请日：2018-05-22
Applicant: SEIKO EPSON CORPORATION
Inventor： Shigenori Katayama , Tetsuo Tatsuda
Abstract: There is provided a printing apparatus including: an ink jet head that prints on a print medium; a camera that captures an image on the print medium; a carriage that mounts the ink jet head and the camera; and a processor that generates image data based on a captured image obtained by capturing a chart by the camera, the chart being printed on the print medium by the ink jet head, in which the processor generates at least one of image data representing an image of an image range smaller than a capturing range of the camera and image data representing an image of a resolution lower than a resolution of the captured image, for an adjustment item.
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公开(公告)号：US09459147B2
公开(公告)日：2016-10-04
申请号：US14607342
申请日：2015-01-28
Applicant: Seiko Epson Corporation
Inventor： Tetsuo Tatsuda , Shinichi Arazaki
CPC classification number: G01J3/2823 , G01J3/26 , G01J3/28 , G01J3/32 , G01J3/51
Abstract: A spectrometry device includes a wavelength variable interference filter; a filter driving unit which sets a wavelength of light which is output from the wavelength variable interference filter, and outputs at least red light and green light among three color light beams of predetermined red light in a red color wavelength range, predetermined green light in a green light wavelength range, and predetermined blue light in a blue light wavelength range in a predetermined order; an imaging element which receives at least red light and green light which are output from the wavelength variable interference filter, and obtains at least a red image and a green image among three color images; and an image generation unit which generates a composite image using the latest color images including at least the obtained red image and green image.
Abstract translation: 光谱测定装置包括波长可变干涉滤光器; 滤波器驱动单元，其设置从波长可变干涉滤光器输出的光的波长，并且在红色波长范围内的预定红色光的三色光束中至少输出红光和绿光，并且在 绿光波长范围和蓝色光波长范围内的预定蓝色光; 接收从所述波长可变干涉滤光器输出的至少红光和绿光的成像元件，并且在三个彩色图像中获得至少红色图像和绿色图像; 以及图像生成单元，其使用至少包括所获得的红色图像和绿色图像的最新彩色图像来生成合成图像。
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14.发明授权公开(公告)号：US11472175B2
公开(公告)日：2022-10-18
申请号：US16810202
申请日：2020-03-05
Applicant: SEIKO EPSON CORPORATION
Inventor： Shigenori Katayama , Kazunari Tsukada , Yuichi Shikagawa , Tetsuo Tatsuda , Mamoru Ukita , Haruhisa Kurane
Abstract: A failure time estimation device includes: a memory configured to store a machine-learned model obtained by performing machine learning using teaching data associating printer information including at least one of operation history of a printer, state information indicating a current state, and a print result image indicating a print result with failure time of the printer; and a controller configured to obtain the printer information and estimate the failure time of the printer using the obtained printer information and the machine-learned model.
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公开(公告)号：US11165915B2
公开(公告)日：2021-11-02
申请号：US16752056
申请日：2020-01-24
Applicant: SEIKO EPSON CORPORATION
Inventor： Mamoru Ukita , Tetsuo Tatsuda , Yuichi Shikagawa , Haruhisa Kurane , Shigenori Katayama , Kazunari Tsukada
Abstract: A printer including a motor for transporting an object to be transported, the printer includes: a memory storing a machine-learned model configured to output a control parameter of the motor that brings a transport position of the object to be transported close to a reference based on one or more state variables including at least one of a speed of the object to be transported, an acceleration of the object to be transported, a movement amount of the object to be transported, a start position of movement of the object to be transported, an ambient environment of the printer, a value of a current flowing through the motor, a type of a print medium onto which printing is to be performed by the printer, and an accumulated movement amount of the object to be transported; and a controller configured to control the motor to perform printing by using the control parameter obtained based on the machine-learned model.
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Patent Agency Ranking
公开(公告)号：US11148413B2
公开(公告)日：2021-10-19
申请号：US16884879
申请日：2020-05-27
Applicant: SEIKO EPSON CORPORATION
Inventor： Tetsuo Tatsuda
Abstract: A printer includes: a carriage which moves with a print head mounted thereon, the print head being configured to eject ink; a camera attached to the carriage and configured to capture an image printed on a print medium by the print head; a movement mechanism configured to move the carriage along a main scan direction; a transportation mechanism configured to transport the print medium along a sub-scan direction; a processor configured to control printing of the image onto the print medium; and a storage configured to store a correction value of a movement amount of the movement mechanism as a first correction value for a location adjustment of a capture area of the camera and store a correction value of a transportation amount of the transportation mechanism as a second correction value for the location adjustment of the capture area.
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公开(公告)号：US10341523B2
公开(公告)日：2019-07-02
申请号：US15975431
申请日：2018-05-09
Applicant: SEIKO EPSON CORPORATION
Inventor： Tetsuo Tatsuda
IPC: H04N1/23 , B41J2/15 , B41J25/00 , B41J25/308 , B41J25/316 , G01N21/00 , H04N5/225 , B41J2/01 , B41J19/18 , B41J29/38
Abstract: Provided is a printer having: a carriage configured to carry and move a printhead; a camera attached to the carriage and configured to photograph an image printed by the printhead; an adjustment mechanism configured to adjust an installation position of the camera; and a processor configured to control to move the carriage to a position of a predetermined specific mark, photograph the specific mark by the camera, and based on a photographed image of the specific mark, adjust an installation position of the camera by the adjustment mechanism.
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公开(公告)号：US10063785B2
公开(公告)日：2018-08-28
申请号：US14826551
申请日：2015-08-14
Applicant: Seiko Epson Corporation
Inventor： Danjun Zhao , Tetsuo Tatsuda
CPC classification number: H04N5/2353 , G01J3/26 , G01J3/50 , G01J2003/1247
Abstract: An imaging device outputs imaging data captured with a predetermined exposure time, and a brightness determination unit determines whether the brightness of the imaging data is within a predetermined range. Re-imaging is performed with the exposure time changed when the brightness of the imaging data is not within the predetermined range. The re-imaging is performed with the exposure time lengthened when the brightness of the imaging data is less than a determination value, and the re-imaging is performed with the exposure time shortened when the brightness of the imaging data is saturated.
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公开(公告)号：US20180241888A1
公开(公告)日：2018-08-23
申请号：US15900157
申请日：2018-02-20
Applicant: SEIKO EPSON CORPORATION
Inventor： Danjun Zhao , Tetsuo Tatsuda
CPC classification number: H04N1/00034 , H04N1/00015 , H04N1/00045 , H04N1/0009 , H04N1/00336 , H04N1/0083 , H04N1/1039 , H04N1/6044 , H04N1/64
Abstract: A measuring apparatus includes a carriage on which an imaging control section that controls imaging of an object is mounted, a movement control section that moves the carriage relative to the object, an image processing section that acquires image information, a first signal line that connects the imaging control section and the movement control section to each other, and a second signal line that connects the imaging control section and the image processing section to each other. A control signal is transmitted over the first signal line, and a data signal is transmitted over the second signal line.
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公开(公告)号：US09983120B2
公开(公告)日：2018-05-29
申请号：US14169923
申请日：2014-01-31
Applicant: SEIKO EPSON CORPORATION
Inventor： Tetsuo Tatsuda
CPC classification number: G01N21/251 , G01J3/0208 , G01J3/0262 , G01J3/0264 , G01J3/0272 , G01J3/0283 , G01J3/26 , G01J3/2823 , G01J3/51 , G01J2003/2826
Abstract: An imaging section that detects the amount of light separated by a wavelength tunable interference filter to acquire a spectroscopic image (imaging device and light amount acquisition section) detects the amount of light successively separated for three wavelengths to acquire spectroscopic images for producing a combined image. A display controller causes a display section to display a combined image based on the spectroscopic images for producing the combined image. A specified position detection section identifies based on user's operation a specified position where a colorimetry result is to be outputted. The imaging section detects the amount of light successively separated for a plurality of wavelengths by the wavelength tunable interference filter to acquire spectroscopic images for colorimetry corresponding to the plurality of wavelengths. A colorimetry section measures the color in the specified position by using the amount of light obtained from each of the spectroscopic images for colorimetry.
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