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    Ink jet printing apparatus
    22.
    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
    23.
    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
    24.
    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
    28.
    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。

    Recording apparatus and method
    29.
    发明申请
    Recording apparatus and method 有权
    记录装置和方法

    公开(公告)号：US20060044574A1

    公开(公告)日：2006-03-02

    申请号：US11210493

    申请日：2005-08-24

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

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

    IPC分类号： G06K15/10

    CPC分类号： G06K15/107

    摘要： A recording apparatus is configured to record an image on a recording medium by repeating a recording operation and a conveying operation. The recording operation is operative to apply a recording agent to the recording medium using a recording head while moving the recording head for scanning in a direction different from a predetermined direction. The recording head includes a plurality of recording elements arranged in the predetermined direction and adapted to apply the recording agent. The conveying operation is operative to convey the recording medium in a direction transverse to the scanning direction. The recording apparatus includes a recording control unit configured to perform the recording operation such that a number of the recording elements which are used to record an image on at least one of a front end portion and a rear end portion of the recording medium is reduced at a rate as compared to that of the recording elements which are used to record an image on a central portion of the recording medium, and a recording mode selecting unit configured to select a recording mode from a plurality of recording modes differing from one another in at least one of recording quality and recording time. The recording control unit changes the rate of reduction according to the recording mode selected by the recording mode selecting unit.

    摘要翻译： 记录装置被配置为通过重复记录操作和传送操作将图像记录在记录介质上。 记录操作可操作以使用记录头将记录剂施加到记录介质，同时沿与预定方向不同的方向移动记录头进行扫描。 记录头包括沿预定方向布置并适于施加记录剂的多个记录元件。 传送操作可操作以沿横向于扫描方向的方向传送记录介质。 记录装置包括：记录控制单元，被配置为执行记录操作，使得用于在记录介质的前端部分和后端部分中的至少一个上记录图像的记录元件的数量减少为 与用于在记录介质的中心部分记录图像的记录元件的速率相比的速率;以及记录模式选择单元，被配置为从在多个不同的记录模式中选择记录模式 至少一个录音质量和录音时间。 记录控制单元根据由记录模式选择单元选择的记录模式改变缩小速率。

    Ink jet printing apparatus
    30.
    发明申请
    Ink jet printing apparatus 有权
    喷墨打印设备

    公开(公告)号：US20050174382A1

    公开(公告)日：2005-08-11

    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： B41J2/18 ,  B41J2/165 ,  B41J2/185

    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。