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    Ink jet printing method and ink jet printing system
    21.
    发明申请
    Ink jet printing method and ink jet printing system 有权
    喷墨打印方法和喷墨打印系统

    公开(公告)号：US20060044338A1

    公开(公告)日：2006-03-02

    申请号：US11209629

    申请日：2005-08-24

    申请人： Akiko Maru ,  Hitoshi Nishikori ,  Hiroshi Tajika ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Hirokazu Yoshikawa ,  Hideaki Takamiya

    发明人： Akiko Maru ,  Hitoshi Nishikori ,  Hiroshi Tajika ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Hirokazu Yoshikawa ,  Hideaki Takamiya

    IPC分类号： B41J29/38 ,  B41J2/205

    CPC分类号： G06K15/107

    摘要： A mask pattern is employed for multi-pass printing. The mask pattern is the sum of a first mask pattern, relative to a first location that includes areas wherein dots are to be printed when a density value is smaller than a predetermined value, and a second mask pattern, relative to a second location that includes areas wherein dots are to be printed only when the density value is equal to or greater than the predetermined value. Using multiple scans, up to one dot is printed in the first region, while two dots or more are printed in the second region. With this arrangement, since the first mask pattern, which greatly affects a low-duty image, and the second mask pattern, which greatly affects a high-duty image, can be independently designed, problems that occur with images prepared at individual duties can be coped with by the separate mask patterns.

    摘要翻译： 采用掩模图案进行多遍打印。 掩模图案是第一掩模图案相对于第一位置的和，其包括当密度值小于预定值时要打印点的区域，以及第二掩模图案，相对于包括 仅当密度值等于或大于预定值时才打印点的区域。 使用多个扫描，在第一个区域中打印多达一个点，而在第二个区域打印两个点以上。 通过这种布置，由于可以独立地设计极大地影响低功率图像的第一掩模图案和极大地影响高占空比图像的第二掩模图案，因此可以独立地设计在各个任务中准备的图像所产生的问题 由单独的掩模图案处理。

    Ink jet printing apparatus and ink jet printing method
    23.
    发明申请
    Ink jet printing apparatus and ink jet printing method 有权
    喷墨打印设备和喷墨打印方法

    公开(公告)号：US20050168507A1

    公开(公告)日：2005-08-04

    申请号：US11042103

    申请日：2005-01-26

    申请人： Daisaku Ide ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hirokazu Yoshikawa ,  Hideaki Takamiya ,  Akihiko Nakatani

    发明人： Daisaku Ide ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hirokazu Yoshikawa ,  Hideaki Takamiya ,  Akihiko Nakatani

    IPC分类号： B41J2/01 ,  B41J2/14 ,  B41J2/21 ,  B41J19/14 ,  B41J29/38

    CPC分类号： B41J2/21 ,  B41J19/147

    摘要： The ink jet printing apparatus forms an image on a print medium with the following two operations. The printing operation makes a print head perform scan motions in a predetermined direction on the print medium, the print head having an array of nozzle rows corresponding to the required number of ink colors, each scan motion involving the ink being ejected from nozzles onto the print medium. The print medium feeding operation moves the print medium and the print head relative to each other a predetermined amount in a direction different from a direction of the scan motion between the scan motions. In a print mode using a small number of ink colors employed for printing, unidirectional printing is performed such that the nozzle row of a black ink to be ejected reaches a print start position when amplitude of vibration of the print head is a predetermined amount or less.

    摘要翻译： 喷墨打印设备通过以下两种操作在打印介质上形成图像。 打印操作使得打印头在打印介质上沿预定方向执行扫描运动，打印头具有与所需数量的墨颜色相对应的喷嘴列阵列，每个扫描运动涉及墨从喷嘴喷射到打印件上 中。 打印介质进给操作在与扫描运动之间的扫描运动的方向不同的方向上将打印介质和打印头相对于彼此移动预定量。 在使用用于打印的少量油墨颜色的打印模式下，执行单向打印，使得当打印头的振动幅度为预定量或更少时，要喷射的黑色墨水的喷嘴排达到打印开始位置 。

    Ink jet printing apparatus
    25.
    发明授权
    Ink jet printing apparatus 有权
    喷墨打印设备

    公开(公告)号：US07794044B2

    公开(公告)日：2010-09-14

    申请号：US11047674

    申请日：2005-02-02

    申请人： Hirokazu Yoshikawa ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hideaki Takamiya

    发明人： Hirokazu Yoshikawa ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hideaki Takamiya

    IPC分类号： B41J2/165

    CPC分类号： B41J2/16532

    摘要： A plurality of ejection portions are divided into groups, each containing at least one ejection portion, so that the suction-based recovery operation can be performed for each group independently. Since the number of ejection portions contained in each group differs, if an ink flow resistance varies among the different groups, simultaneous suction-based recovery operations can be done by using a common suction pump, without having to sequentially perform the suction-based recovery operations under an optimum pump driving condition. For this purpose, inner diameters of a plurality of ink discharge tubes running from a plurality of cap units, which cap a plurality of print head units having different numbers of ejection portions, to the common pump are differentiated. This allows different flows to be produced in different ink discharge systems, thus generating desirable ink flows for individual ink supply systems.

    摘要翻译： 多个喷射部分分成多个，每个喷射部分包含至少一个喷射部分，从而可以独立地对每组进行基于吸力的恢复操作。 由于每个组中包含的喷射部分的数量不同，如果不同组之间的油墨流动阻力变化，则可以通过使用公共抽吸泵来同时进行基于吸入的回收操作，而不必依次执行基于抽吸的回收操作 在最佳泵驱动条件下。 为此目的，区分了从多个帽单元行进的多个排墨管的内径，该多个盖单元将具有不同数量的喷射部分的多个打印头单元盖住到共用泵。 这允许在不同的油墨排放系统中产生不同的流动，从而为单独的供墨系统产生期望的油墨流。

    Inkjet recording apparatus and maintenance method thereof
    26.
    发明授权
    Inkjet recording apparatus and maintenance method thereof 失效
    喷墨记录装置及其维护方法

    公开(公告)号：US07581810B2

    公开(公告)日：2009-09-01

    申请号：US11065215

    申请日：2005-02-24

    申请人： Hirokazu Yoshikawa ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hideaki Takamiya

    发明人： Hirokazu Yoshikawa ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hideaki Takamiya

    IPC分类号： B41J2/165

    CPC分类号： B41J2/1652

    摘要： For a recording apparatus capable of supplying a plurality of different color inks to a plurality of recording element substrates, when a condition for performing maintenance on a first recording element substrate is met, it is determined whether or not to perform maintenance on a second recording element substrate according to how close the second recording element substrate is to meeting the condition. Since maintenance is performed on the first and second recording element substrates in such a manner, unnecessary maintenance operations will be prevented from being carried out multiple times within a short period of time. Accordingly, the total amount of time required for maintenance is reduced.

    摘要翻译： 对于能够向多个记录元件基板供给多种不同颜色的墨的记录装置，当满足对第一记录元件基板进行维护的条件时，确定是否对第二记录元件进行维护 基于第二记录元件基板接近于该条件的基板。 由于以这种方式在第一和第二记录元件基板上执行维护，所以不会在短时间内防止不必要的维护操作多次进行。 因此，维护所需的总时间减少。

    Ink jet printing with switched use of particular color ink depending on number of print head passes corresponding to print quality and speed
    27.
    发明授权
    Ink jet printing with switched use of particular color ink depending on number of print head passes corresponding to print quality and speed 有权
    根据与打印质量和速度相对应的打印头传送次数，可以切换使用特定彩色墨水的喷墨打印

    公开(公告)号：US07408676B2

    公开(公告)日：2008-08-05

    申请号：US10912113

    申请日：2004-08-06

    申请人： Takeshi Yazawa ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hirokazu Yoshikawa ,  Hideaki Takamiya

    发明人： Takeshi Yazawa ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Atsuhiko Masuyama ,  Akiko Maru ,  Hirokazu Yoshikawa ,  Hideaki Takamiya

    IPC分类号： H04N1/50 ,  H04N1/60 ,  B41J2/01 ,  B41J29/38

    CPC分类号： B41J2/2132

    摘要： When three primary color inks and a particular color ink having a hue different from those of the three colors are used, the number of passes with regard to the same printing area is changeable, thereby speeding up a printing operation and improving color development at a gamut expressed by the particular color ink to achieve high quality images. Use or non-use of the particular color ink is switched according to the number of passes corresponding to quality information. If a high speed data generation processing is not required but sufficient color development is achieved, namely if the number of passes is large, the use of the particular color will expand the color reproduction gamut. If the high speed is required, namely if the number of passes is small, non-use of the particular color ink will reduce the number of colors of the usable inks.

    摘要翻译： 当使用三原色油墨和具有不同于三种颜色的色调的特定颜色油墨时，相对于相同印刷区域的通过次数是可变化的，从而加速打印操作并改善色域的显色性 由特定颜色的墨水表示，以实现高质量的图像。 根据与质量信息相对应的通过次数切换使用或不使用特定颜色的墨水。 如果不需要高速数据生成处理，而是实现了充分的显色，即如果通过次数较多，则特定颜色的使用将扩大色彩再现色域。 如果需要高速度，即如果通过次数少，则不使用特定的彩色墨水将减少可用墨水的颜色数量。

    Ink-jet printing method, apparatus and system
    30.
    发明授权
    Ink-jet printing method, apparatus and system 有权
    喷墨打印方法，装置和系统

    公开(公告)号：US07258412B2

    公开(公告)日：2007-08-21

    申请号：US10912191

    申请日：2004-08-06

    申请人： Akiko Maru ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Hirokazu Yoshikawa ,  Hideaki Takamiya

    发明人： Akiko Maru ,  Hiroshi Tajika ,  Hitoshi Nishikori ,  Daisaku Ide ,  Takeshi Yazawa ,  Atsuhiko Masuyama ,  Hirokazu Yoshikawa ,  Hideaki Takamiya

    IPC分类号： B41J2/205

    CPC分类号： G06K15/107 ,  B41J2/2107 ,  B41J2/2132

    摘要： An ink-jet printing method, an ink-jet printing apparatus and an ink-jet printing system, which are free from the deterioration of color development effect even if a plurality of color inks are used, caused by the overlap of different color inks on a printing medium, are proposed. For this purpose, when density data quantized to several ranks are converted finally to binary data by using predetermined dot arrangement patterns, a dot arrangement pattern different from those for other color inks is prepared for a particular color ink. Accordingly, it is possible to reduce as much as possible the probability that the particular color ink is overlapped with the other inks on the printing medium, whereby the color development of the particular color ink is effectively facilitated.

    摘要翻译： 喷墨打印方法，喷墨打印设备和喷墨打印系统，即使使用由不同颜色墨水的重叠引起的多种颜色墨水，也不会因显色效果的劣化而变色 提出了一种打印介质。 为此，通过使用规定的点排列图案，将量化为几个等级的浓度数据最终转换为二进制数据，就可以为特定的彩色墨水准备与其它颜色墨水不同的点排列图案。 因此，可以尽可能地减少特定彩色墨水与打印介质上的其它墨水重叠的可能性，从而有效地促进了特定彩色墨水的显色。