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公开(公告)号：US20170087822A1
公开(公告)日：2017-03-30
申请号：US15274631
申请日：2016-09-23
发明人： Yoshihisa Kayanaka
IPC分类号： B41J2/045
CPC分类号： G06K15/107 , B41J2/04508 , B41J2/04586 , B41J2/2117 , B41J2/2132 , B41J2/36
摘要： An image formation device has a head including plural first nozzle holes and plural second nozzle holes to eject an ink. In a first ejection processing, the head ejects a second ink from the first predetermined number and a second predetermined number of the second nozzle holes while moving in a main scan direction. The head moves in a sub scan direction by a first distance of a non-integral multiple of a distance between the adjacent first nozzle holes. The head ejects the second ink from the second nozzle holes while moving in the main scan direction. The head moves from the position of the head after the first ejection processing in the sub scan direction by a second distance of a length of a section over which the first predetermined number of the first nozzle holes are arranged. The head ejects the second ink from the second nozzle holes.
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公开(公告)号：US10603904B2
公开(公告)日：2020-03-31
申请号：US15717256
申请日：2017-09-27
发明人： Yoshihisa Kayanaka , Naoki Mizuno
摘要： An image formation device includes a plurality of nozzles arranged in a sub scan direction and configured to eject ink, a processor, and a memory configured to store computer-readable instructions that, when executed by the processor, perform processes including, performing a determination control configured to determine whether an unstable ejection condition, under which the ejection of the ink from the nozzles becomes unstable, is satisfied, and performing a first print control configured to cause printing to be performed by a multi-pass method when it is determined that the unstable ejection condition is satisfied.
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公开(公告)号：US11407222B2
公开(公告)日：2022-08-09
申请号：US17212802
申请日：2021-03-25
摘要： A print device is provided with a background head that discharges a background ink onto a recording medium, a color head that discharges a color ink onto the recording medium, and a CPU that controls the background head and the color head. The CPU of the print device divides the background ink into a plurality of layers including a first background layer and a second background layer, and discharges the background ink from the background head. A first discharge region of the first background layer is further to an inner side than a second discharge region of the second background layer.
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公开(公告)号：US09886655B2
公开(公告)日：2018-02-06
申请号：US15274631
申请日：2016-09-23
发明人： Yoshihisa Kayanaka
CPC分类号： G06K15/107 , B41J2/04508 , B41J2/04586 , B41J2/2117 , B41J2/2132 , B41J2/36
摘要： Provided is the image formation device which suppresses an occurrence of unevenness in density of the image and a time required to form the image. The image formation device forms images by moving the different ejection heads. One of the ejection heads ejects white ink from a first predetermined number of nozzles thereof. Another one of the ejection heads ejects color ink from the first predetermined number and a second predetermined number of nozzles thereof. The ejection heads that eject color ink move in a sub scan direction that is non-integral multiple of a distance between the adjacent nozzle holes and eject the color ink, and then move in the sub scan direction that corresponds to a length in the sub scan direction of an area of the ejection head in which the first predetermined number of the nozzles are arranged and eject the color ink.
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公开(公告)号：US11787174B2
公开(公告)日：2023-10-17
申请号：US17212788
申请日：2021-03-25
CPC分类号： B41J2/04586 , B41J2/04536 , B41J2/2132 , G06K15/102
摘要： When a print data creation program is executed by a computer, the computer performs the following processing. The computer acquires image data representing a print image from a storage. The computer divides the print image represented by the acquired image data into a plurality of divided images of a desired resolution. The computer creates print data to be printed by a print device, from at least one of the plurality of divided images.
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公开(公告)号：US10723136B2
公开(公告)日：2020-07-28
申请号：US15716808
申请日：2017-09-27
发明人： Yoshihisa Kayanaka , Naoki Mizuno
摘要： An image formation device includes a plurality of nozzles, a processor which forms an image on the basis of print data, and a memory which stores computer-readable instructions that, when executed by the processor, perform processes including, performing first ejection control which ejects a first amount of the ink at a timing of one of a forward path and a return path in the main scan direction, when printing is performed by a multi-pass method in which each of pixel arrays is printed by a plurality of main scans and, in each of the plurality of main scans, the ink is ejected onto the same pixel array from the respectively different nozzles, and performing second ejection control configured to eject a second amount of the ink at a timing different from the previous timing of the ejection of the ink, the second amount being smaller than the first amount.
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公开(公告)号：US10336093B2
公开(公告)日：2019-07-02
申请号：US15716760
申请日：2017-09-27
发明人： Yoshihisa Kayanaka
摘要： An image formation device includes a plurality of nozzles arranged at an interval D [in], a processor which forms an image of a resolution R [dpi] on the basis of print data and a memory which stores computer-readable instructions that, when executed by the processor, performs a process including performing ejection control, ejection control including relatively moving the nozzles in the sub scan direction a plurality of times from a print start position on the basis of a reference LF value, when performing printing with respect to each of pixels of adjacent pixels at a high density Ph [%], relatively moving the nozzles in the main scan direction less than a (j×R×D) number of times, and a total of the densities of the ink of each of the pixels of the adjacent pixels is caused to be the high density Ph [%].
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公开(公告)号：US10336092B2
公开(公告)日：2019-07-02
申请号：US15716750
申请日：2017-09-27
发明人： Yoshihisa Kayanaka
摘要： An image formation device includes a plurality of first nozzles which eject a first ink, a plurality of second nozzles which eject a second ink, a processor which forms an image of a resolution R [dpi] on the basis of print data, and a memory which stores computer-readable instructions that, when executed by the processor, perform a process including performing an ejection control, when printing of adjacent D×R pixels is performed by the first ink at a high density Ph [%] that is higher than a unit density Pu [%], such that total densities of the second ink ejected onto each of the pixels in the pixel array by the plurality of times of scanning are, respectively, substantially the same as a maximum density of the second ink able to be ejected at one time from the second nozzles.
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公开(公告)号：US10057448B2
公开(公告)日：2018-08-21
申请号：US15097456
申请日：2016-04-13
CPC分类号： H04N1/034 , B41J2/2132
摘要： Original print data includes ejection information to form a plurality of pixel arrays each including pixels arranged in a first direction. A plurality of divided print data are generated based on the ejection information included in the original print data. At least one of divided print data includes the ejection information to form a first pixel array and a second pixel array, not a third pixel array. The second pixel array is included in the plurality of pixel arrays aligned in a second direction corresponding to the original print data and is not adjacent to the first pixel array in the second direction. The third pixel array is included in the plurality of pixel arrays aligned in the second direction corresponding to the original print data, and is between the first pixel array and the second pixel array in the second direction and adjacent to the first pixel array.
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10.发明申请PRINT DATA GENERATION APPARATUS, PRINT DATA GENERATION METHOD AND NON-TRANSITORY COMPUTER-READABLE MEDIUM 审中-公开打印数据生成装置，打印数据生成方法和非终端计算机可读介质公开(公告)号：US20160303848A1
公开(公告)日：2016-10-20
申请号：US15097456
申请日：2016-04-13
CPC分类号： H04N1/034 , B41J2/2132
摘要： Original print data includes ejection information to form a plurality of pixel arrays each including pixels arranged in a first direction. A plurality of divided print data are generated based on the ejection information included in the original print data. At least one of divided print data includes the ejection information to form a first pixel array and a second pixel array, not a third pixel array. The second pixel array is included in the plurality of pixel arrays aligned in a second direction corresponding to the original print data and is not adjacent to the first pixel array in the second direction. The third pixel array is included in the plurality of pixel arrays aligned in the second direction corresponding to the original print data, and is between the first pixel array and the second pixel array in the second direction and adjacent to the first pixel array.
摘要翻译： 原始打印数据包括喷射信息以形成多个像素阵列，每个像素阵列包括沿第一方向布置的像素。 基于原始打印数据中包含的喷射信息生成多个划分的打印数据。 分割的打印数据中的至少一个包括喷射信息以形成第一像素阵列和第二像素阵列，而不是第三像素阵列。 第二像素阵列包括在对应于原始打印数据的第二方向上排列的多个像素阵列中，并且在第二方向上不与第一像素阵列相邻。 第三像素阵列包括在与原始打印数据对应的第二方向上排列的多个像素阵列中，并且在第二方向上与第一像素阵列相邻的第一像素阵列和第二像素阵列之间。
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