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    • 1. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US08213046B2
    • 2012-07-03
    • US12241732
    • 2008-09-30
    • Masashi UedaHirotoshi Maehira
    • Masashi UedaHirotoshi Maehira
    • G06F15/00G06K15/00G06K15/10G08C15/00G03G15/00
    • H04N1/1912B41J2/2132G06K15/105H04N1/1903H04N1/1915H04N1/4052
    • A print method and apparatus for minimizing effects of error in repositioning during printing process may include generating successive scans of a recording head, wherein the scans may partially overlap to account for the error in repositioning. As an example, after the recording head makes one scan across the document being printed, the document (or the head) may be repositioned for the next scan so that several print elements of the recording head are aligned to lie between certain rows of dots printed in the previous scan, resulting in a higher number of rows in the overlapping portion of the scans. Additional features may include varying the row/column arrangement of dots in the overlap portion, or performing error diffusion and correction for different areas of resolution in the scans.
    • 一种打印方法和装置,用于最小化打印过程中的重新定位中的错误的影响可包括产生记录头的连续扫描,其中扫描可以部分重叠以解决重新定位中的错误。 作为示例,在记录头在正在打印的文档上进行一次扫描之后,文档(或头部)可以被重新定位用于下一次扫描,使得记录头的若干打印元件对齐以位于某些打印的列之间 在先前的扫描中,导致扫描重叠部分中的行数较多。 附加特征可以包括改变重叠部分中的点的行/列布置,或者对扫描中的不同分辨率区域执行误差扩散和校正。
    • 2. 发明授权
    • Control device for controlling printing execution unit
    • 用于控制打印执行单元的控制装置
    • US08550581B2
    • 2013-10-08
    • US12985327
    • 2011-01-05
    • Masashi UedaHirotoshi Maehira
    • Masashi UedaHirotoshi Maehira
    • B41J29/38
    • B41J29/38B41J2/2132
    • In the control device, the generating portion generates control data to be used by the controlling portion to form a specific image. The generating portion generates the control data such that in a first case where the printing execution unit forms the end image, the head drive portion drives the print head to eject ink droplet only from nozzles classified into the downstream nozzle group toward the downstream end region, that in a second case where the printing execution unit forms the center image the head drive portion drives the print head to eject ink droplet from the plurality of nozzles including the upstream and downstream nozzle groups toward the center region, and that, in the first case, the first nozzle does not eject ink droplet toward the center region for forming a specific part, and such that in the second case, the second nozzle ejects ink droplet for forming the specific part.
    • 在控制装置中,生成部生成由控制部使用的控制数据,形成特定图像。 生成部分生成控制数据,使得在打印执行单元形成结束图像的第一种情况下,打印头驱动部驱动打印头,仅从分类到下游喷嘴组的喷嘴向下游端区域喷射墨滴, 在打印执行单元形成中心图像的第二种情况下,打印头驱动部分驱动打印头以从包括上游和下游喷嘴组的多个喷嘴向中心区域喷射墨滴,并且在第一种情况下 第一喷嘴不将墨滴喷射到用于形成特定部分的中心区域,并且在第二种情况下,第二喷嘴喷射用于形成特定部分的墨滴。
    • 3. 发明申请
    • Image Forming Apparatus
    • 图像形成装置
    • US20090086220A1
    • 2009-04-02
    • US12241732
    • 2008-09-30
    • Masashi UedaHirotoshi Maehira
    • Masashi UedaHirotoshi Maehira
    • G06K15/10H04N1/60
    • H04N1/1912B41J2/2132G06K15/105H04N1/1903H04N1/1915H04N1/4052
    • A print method and apparatus for minimizing effects of error in repositioning during printing process may include generating successive scans of a recording head, wherein the scans may partially overlap to account for the error in repositioning. As an example, after the recording head makes one scan across the document being printed, the document (or the head) may be repositioned for the next scan so that several print elements of the recording head are aligned to lie between certain rows of dots printed in the previous scan, resulting in a higher number of rows in the overlapping portion of the scans. Additional features may include varying the row/column arrangement of dots in the overlap portion, or performing error diffusion and correction for different areas of resolution in the scans.
    • 一种打印方法和装置,用于最小化打印过程中的重新定位中的错误的影响可包括产生记录头的连续扫描,其中扫描可以部分重叠以解决重新定位中的错误。 作为示例,在记录头在正在打印的文档上进行一次扫描之后,文档(或头部)可以被重新定位用于下一次扫描,使得记录头的若干打印元件对齐以位于某些打印的列之间 在先前的扫描中,导致扫描重叠部分中的行数较多。 附加特征可以包括改变重叠部分中的点的行/列布置,或者对扫描中的不同分辨率区域执行误差扩散和校正。
    • 4. 发明申请
    • Image forming device
    • 图像形成装置
    • US20080001980A1
    • 2008-01-03
    • US11819820
    • 2007-06-29
    • Hirotoshi MaehiraMasashi Ueda
    • Hirotoshi MaehiraMasashi Ueda
    • B41J29/38
    • B41J29/38B41J2/2132
    • An image forming device includes a feeding unit, a recording unit, and a controller. The feeding unit includes a first feeding member and a second feeding member disposed at a downstream of the first feeding member in a feeding direction. At least one of the first feeding member and the second feeding member feeds a recording medium in the feeding direction. The recording unit is disposed between the first feeding member and the second feeding member to eject a plurality of ink droplets onto the recording medium fed between the first feeding member and the second feeding member. A plurality of ink droplets ejected onto the recording medium forms a plurality of raster lines extending in a main-scanning direction orthogonal to the feeding direction. The controller controls the recording unit to eject a plurality of ink droplets so that a plurality of first raster lines formed within a first time span has a first resolution in the feeding direction, a plurality of second raster lines formed within a second time span has a second resolution in the feeding direction, and a plurality of third raster lines formed within a third time span including a banding timing at which a trailing edge of the recording medium gets away from the first feeding member has a third resolution higher than the first resolution in the feeding direction. The second time span follows the first time span and the third time span follows the second time span. The second resolution is higher than the first resolution and lower than the third resolution.
    • 图像形成装置包括馈送单元,记录单元和控制器。 进给单元包括第一进给构件和设置在第一进给构件的沿进给方向的下游的第二进给构件。 第一进给构件和第二进给构件中的至少一个在进给方向上馈送记录介质。 记录单元设置在第一进给构件和第二进给构件之间,以将多个墨滴喷射到馈送在第一进给构件和第二进给构件之间的记录介质上。 喷射到记录介质上的多个墨滴形成沿与进给方向正交的主扫描方向延伸的多条光栅线。 控制器控制记录单元喷射多个墨滴,使得形成在第一时间跨度内的多个第一光栅线在馈送方向上具有第一分辨率,在第二时间跨度内形成的多个第二光栅线具有 在馈送方向上的第二分辨率和在第三时间范围内形成的多个第三光栅线,包括记录介质的后缘离开第一馈送部件的条带定时,具有比第一分辨率高的第三分辨率 进给方向。 第二时间跨越第一时间跨度,第三时间跨越第二时间跨度。 第二项决议高于第一项决议,低于第三项决议。
    • 5. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US08210645B2
    • 2012-07-03
    • US12241792
    • 2008-09-30
    • Masashi UedaHirotoshi Maehira
    • Masashi UedaHirotoshi Maehira
    • B41J2/165
    • H04N1/1912B41J2/2132G06K15/105H04N1/1903H04N1/1915
    • An image forming apparatus includes a recording head including a plurality of printing elements each of which offsets at least in a auxiliary-scanning direction one another and ejects droplets toward a recording medium. The image forming apparatus further includes a main scanning unit configured to scan the recording head, relative to the recording medium, in a main scanning direction perpendicular to the auxiliary-scanning direction. The image forming apparatus still further includes a auxiliary-scanning unit configured to scan the recording head, relative to the recording medium, in a main scanning direction perpendicular to the auxiliary-scanning direction. The image forming apparatus still yet further includes a controller configured to control the printing head, the main scanning unit and the auxiliary-scanning unit to form dots in rows arranged in the auxiliary-scanning direction at a first predetermined interval, and columns arranged in the main scanning direction at a second predetermined interval while performing main scans and sub-scans repeatedly. The controller controls the printing head, the main scanning unit and the auxiliary-scanning unit to form first dots in an area of the printing medium at first alternate columns by a first main scan, and to form second dots in the area by a second main scan at second alternate columns different from the first alternate columns. The second dots are shifted, relative to the first dots, a first predetermined distance smaller the first predetermined interval.
    • 图像形成装置包括:记录头,其包括多个打印元件,每个打印元件至少在辅助扫描方向上相互偏移,并将液滴喷射到记录介质上。 图像形成装置还包括:主扫描单元,被配置为在垂直于辅助扫描方向的主扫描方向上相对于记录介质扫描记录头。 图像形成装置还包括辅助扫描单元,其构造成在垂直于辅助扫描方向的主扫描方向上相对于记录介质扫描记录头。 图像形成装置还包括控制器,其被配置为控制打印头,主扫描单元和辅助扫描单元,以在第一预定间隔上沿辅助扫描方向排列的行形成点,并且布置在 主扫描方向以第二预定间隔进行,同时重复执行主扫描和副扫描。 控制器控制打印头,主扫描单元和辅助扫描单元,以通过第一主扫描在第一交替列的打印介质的区域中形成第一点,并且通过第二主扫描在该区域中形成第二点 在与第一个备用列不同的第二个备用列中进行扫描。 第二点相对于第一点移动,第一预定距离小于第一预定间隔。
    • 6. 发明申请
    • CONTROL DEVICE FOR CONTROLLING PRINTING EXECUTION UNIT
    • 用于控制打印执行单元的控制装置
    • US20110164079A1
    • 2011-07-07
    • US12985327
    • 2011-01-05
    • Masashi UedaHirotoshi Maehira
    • Masashi UedaHirotoshi Maehira
    • B41J29/38
    • B41J29/38B41J2/2132
    • In the control device, the generating portion generates control data to be used by the controlling portion to form a specific image. The generating portion generates the control data such that in a first case where the printing execution unit forms the end image, the head drive portion drives the print head to eject ink droplet only from nozzles classified into the downstream nozzle group toward the downstream end region, that in a second case where the printing execution unit forms the center image the head drive portion drives the print head to eject ink droplet from the plurality of nozzles including the upstream and downstream nozzle groups toward the center region, and that, in the first case, the first nozzle does not eject ink droplet toward the center region for forming a specific part, and such that in the second case, the second nozzle ejects ink droplet for forming the specific part.
    • 在控制装置中,生成部生成由控制部使用的控制数据,形成特定图像。 生成部分生成控制数据,使得在打印执行单元形成结束图像的第一种情况下,打印头驱动部驱动打印头,仅从分类到下游喷嘴组的喷嘴向下游端区域喷射墨滴, 在打印执行单元形成中心图像的第二种情况下,打印头驱动部分驱动打印头以从包括上游和下游喷嘴组的多个喷嘴向中心区域喷射墨滴,并且在第一种情况下 第一喷嘴不将墨滴喷射到用于形成特定部分的中心区域,并且在第二种情况下,第二喷嘴喷射用于形成特定部分的墨滴。
    • 7. 发明授权
    • Image forming device
    • 图像形成装置
    • US07784894B2
    • 2010-08-31
    • US11819820
    • 2007-06-29
    • Hirotoshi MaehiraMasashi Ueda
    • Hirotoshi MaehiraMasashi Ueda
    • B41J29/38
    • B41J29/38B41J2/2132
    • An image forming device includes a feeding unit, a recording unit, and a controller. The feeding unit includes a first feeding member and a second feeding member disposed at a downstream of the first feeding member in a feeding direction. At least one of the first feeding member and the second feeding member feeds a recording medium in the feeding direction. The recording unit is disposed between the first feeding member and the second feeding member to eject a plurality of ink droplets onto the recording medium fed between the first feeding member and the second feeding member. A plurality of ink droplets ejected onto the recording medium forms a plurality of raster lines extending in a main-scanning direction orthogonal to the feeding direction. The controller controls the recording unit to eject a plurality of ink droplets so that a plurality of first raster lines formed within a first time span has a first resolution in the feeding direction, a plurality of second raster lines formed within a second time span has a second resolution in the feeding direction, and a plurality of third raster lines formed within a third time span including a banding timing at which a trailing edge of the recording medium gets away from the first feeding member has a third resolution higher than the first resolution in the feeding direction. The second time span follows the first time span and the third time span follows the second time span. The second resolution is higher than the first resolution and lower than the third resolution.
    • 图像形成装置包括馈送单元,记录单元和控制器。 进给单元包括第一进给构件和设置在第一进给构件的沿进给方向的下游的第二进给构件。 第一进给构件和第二进给构件中的至少一个在进给方向上馈送记录介质。 记录单元设置在第一进给构件和第二进给构件之间,以将多个墨滴喷射到馈送在第一进给构件和第二进给构件之间的记录介质上。 喷射到记录介质上的多个墨滴形成沿与进给方向正交的主扫描方向延伸的多条光栅线。 控制器控制记录单元喷射多个墨滴,使得形成在第一时间跨度内的多个第一光栅线在馈送方向上具有第一分辨率,在第二时间跨度内形成的多个第二光栅线具有 在馈送方向上的第二分辨率和在第三时间范围内形成的多个第三光栅线,包括记录介质的后缘离开第一馈送部件的条带定时,具有比第一分辨率高的第三分辨率 进给方向。 第二时间跨越第一时间跨度,第三时间跨越第二时间跨度。 第二项决议高于第一项决议,低于第三项决议。