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    Ink-jet recording apparatus and method of preventing clogging of nozzle discharging ink
    1.
    发明授权
    Ink-jet recording apparatus and method of preventing clogging of nozzle discharging ink 有权
    喷墨记录装置和防止喷嘴排墨的堵塞的方法

    公开(公告)号：US07438387B2

    公开(公告)日：2008-10-21

    申请号：US11766392

    申请日：2007-06-21

    申请人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    发明人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    IPC分类号： B41J2/14 ,  B41J2/16 ,  B41J2/165

    CPC分类号： B41J2/165 ,  B41J2002/16502

    摘要： An ink-jet recording apparatus is provided which includes an ink-jet head having a plurality of ink chambers and a common ink chamber which communicates with each of the plurality of ink chambers to supply ink to the plurality of ink chambers, the ink-jet head maintaining the plurality of ink chambers at a negative pressure in image recording, selecting one of the plurality of ink chambers on the basis of printing data and causing change in volume of the selected ink chamber, and thereby performing image recording by discharging the ink from a nozzle, and a pressure section which applies a positive pressure to the plurality of ink chambers when the ink-jet head is in a left state, the positive pressure being a pressure at which the ink is not discharged from the nozzle.

    摘要翻译： 提供一种喷墨记录装置，其包括具有多个墨室的喷墨头和与多个墨室中的每一个连通以向多个墨室供墨的公共墨室，喷墨 将图像记录中的多个墨室保持在负压下，基于打印数据选择多个墨室中的一个并引起所选墨室的体积变化，从而通过从墨水中排出墨来进行图像记录 喷嘴和在喷墨头处于左侧状态时向多个墨水室施加正压的压力部分，正压力是不从喷嘴排出的压力。

    INK-JET RECORDING APPARATUS AND METHOD OF PREVENTING CLOGGING OF NOZZLE DISCHARGING INK
    2.
    发明申请
    INK-JET RECORDING APPARATUS AND METHOD OF PREVENTING CLOGGING OF NOZZLE DISCHARGING INK 有权
    喷墨记录装置和防止喷嘴排出墨水的方法

    公开(公告)号：US20080030546A1

    公开(公告)日：2008-02-07

    申请号：US11766392

    申请日：2007-06-21

    申请人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    发明人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    IPC分类号： B41J2/145

    CPC分类号： B41J2/165 ,  B41J2002/16502

    摘要： An ink-jet recording apparatus is provided which includes an ink-jet head having a plurality of ink chambers and a common ink chamber which communicates with each of the plurality of ink chambers to supply ink to the plurality of ink chambers, the ink-jet head maintaining the plurality of ink chambers at a negative pressure in image recording, selecting one of the plurality of ink chambers on the basis of printing data and causing change in volume of the selected ink chamber, and thereby performing image recording by discharging the ink from a nozzle, and a pressure section which applies a positive pressure to the plurality of ink chambers when the ink-jet head is in a left state, the positive pressure being a pressure at which the ink is not discharged from the nozzle.

    摘要翻译： 提供一种喷墨记录装置，其包括具有多个墨室的喷墨头和与多个墨室中的每一个连通以向多个墨室供墨的公共墨室，喷墨 将图像记录中的多个墨室保持在负压下，基于打印数据选择多个墨室中的一个并引起所选墨室的体积变化，从而通过从墨水中排出墨来进行图像记录 喷嘴和在喷墨头处于左侧状态时向多个墨水室施加正压的压力部分，正压力是不从喷嘴排出的压力。

    Ink-jet recording apparatus and method of preventing clogging of nozzle discharging ink
    3.
    发明授权
    Ink-jet recording apparatus and method of preventing clogging of nozzle discharging ink 失效
    喷墨记录装置和防止喷嘴排墨的堵塞的方法

    公开(公告)号：US07249827B2

    公开(公告)日：2007-07-31

    申请号：US10968728

    申请日：2004-10-19

    申请人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    发明人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    IPC分类号： B41J2/045 ,  B41J2/165 ,  B41J2/175

    CPC分类号： B41J2/165 ,  B41J2002/16502

    摘要： An ink-jet recording apparatus is provided which includes an ink-jet head having a plurality of ink chambers and a common ink chamber which communicates with each of the plurality of ink chambers to supply ink to the plurality of ink chambers, the ink-jet head maintaining the plurality of ink chambers at a negative pressure in image recording, selecting one of the plurality of ink chambers on the basis of printing data and causing change in volume of the selected ink chamber, and thereby performing image recording by discharging the ink from a nozzle, and a pressure section which applies a positive pressure to the plurality of ink chambers when the ink-jet head is in a left state, the positive pressure being a pressure at which the ink is not discharged from the nozzle.

    摘要翻译： 提供一种喷墨记录装置，其包括具有多个墨室的喷墨头和与多个墨室中的每一个连通以向多个墨室供墨的公共墨室，喷墨 将图像记录中的多个墨室保持在负压下，基于打印数据选择多个墨室中的一个并引起所选墨室的体积变化，从而通过从墨水中排出墨来进行图像记录 喷嘴和在喷墨头处于左侧状态时向多个墨水室施加正压的压力部分，正压力是不从喷嘴排出的压力。

    Ink-jet recording apparatus and method of preventing clogging of nozzle discharging ink
    4.
    发明申请
    Ink-jet recording apparatus and method of preventing clogging of nozzle discharging ink 失效
    喷墨记录装置和防止喷嘴排墨的堵塞的方法

    公开(公告)号：US20050174392A1

    公开(公告)日：2005-08-11

    申请号：US10968728

    申请日：2004-10-19

    申请人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    发明人： Megumi Shimizu ,  Takahisa Ikeda ,  Kouichi Adachi

    IPC分类号： B41J2/175 ,  B41J2/165 ,  B41J2/045

    CPC分类号： B41J2/165 ,  B41J2002/16502

    摘要： An ink-jet recording apparatus is provided which includes an ink-jet head having a plurality of ink chambers and a common ink chamber which communicates with each of the plurality of ink chambers to supply ink to the plurality of ink chambers, the ink-jet head maintaining the plurality of ink chambers at a negative pressure in image recording, selecting one of the plurality of ink chambers on the basis of printing data and causing change in volume of the selected ink chamber, and thereby performing image recording by discharging the ink from a nozzle, and a pressure section which applies a positive pressure to the plurality of ink chambers when the ink-jet head is in a left state, the positive pressure being a pressure at which the ink is not discharged from the nozzle.

    摘要翻译： 提供一种喷墨记录装置，其包括具有多个墨室的喷墨头和与多个墨室中的每一个连通以向多个墨室供墨的公共墨室，喷墨 将图像记录中的多个墨室保持在负压下，基于打印数据选择多个墨室中的一个并引起所选墨室的体积变化，从而通过从墨水中排出墨来进行图像记录 喷嘴和在喷墨头处于左侧状态时向多个墨水室施加正压的压力部分，正压力是不从喷嘴排出的压力。

    Image printing apparatus and method
    5.
    发明授权
    Image printing apparatus and method 失效
    图像打印装置及方法

    公开(公告)号：US06364445B1

    公开(公告)日：2002-04-02

    申请号：US09603721

    申请日：2000-06-23

    申请人： Takahisa Ikeda ,  Atsushi Kubota ,  Hidehiro Watanabe ,  Megumi Shimizu

    发明人： Takahisa Ikeda ,  Atsushi Kubota ,  Hidehiro Watanabe ,  Megumi Shimizu

    IPC分类号： B41I2938

    CPC分类号： B41J2/5056 ,  B41J2/14 ,  B41J2202/17

    摘要： An image printing apparatus comprises a storage section and a control section. The storage section stores an absorbing speed information in a storage area, the absorption speed information is a measured speed at which a recording medium used for a printing process absorbs an ink used for the printing process. And the control section controls an ink head so as to perform first dot recording which records a plurality of dots on the recording medium by a pitch of an ink ejection opening of the ink head, and moves the recording medium relatively with the ink head and controls the ink head so as to perform second dot recording which records a plurality of dots between a plurality of dots recorded by first dot recording, in accordance with a print interval time determined based on the absorption speed information stored in the storage section.

    摘要翻译： 图像打印设备包括存储部分和控制部分。 存储部将吸收速度信息存储在存储区域中，吸收速度信息是用于打印处理的记录介质吸收用于打印处理的墨的测量速度。 并且控制部分控制墨头，以便执行第一点记录，其通过墨头的喷墨口的间距在记录介质上记录多个点，并且使用墨头相对地移动记录介质并控制 墨水头，以便根据基于存储在存储部分中的吸收速度信息确定的打印间隔时间，执行在通过第一点记录记录的多个点之间记录多个点的第二点记录。

    Ink jet recording apparatus
    8.
    发明授权
    Ink jet recording apparatus 失效
    喷墨记录装置

    公开(公告)号：US06386668B1

    公开(公告)日：2002-05-14

    申请号：US09338969

    申请日：1999-06-24

    申请人： Megumi Shimizu ,  Atsushi Kubota ,  Hidehiro Watanabe ,  Takahisa Ikeda

    发明人： Megumi Shimizu ,  Atsushi Kubota ,  Hidehiro Watanabe ,  Takahisa Ikeda

    IPC分类号： B41J2938

    CPC分类号： B41J2/155 ,  B41J2/2128 ,  B41J2/515 ,  B41J2202/20 ,  G06K2215/111

    摘要： In an ink jet recording apparatus having two head units, each having a large number of ink nozzles arranged in a line, assembled so that they overlap with each other, an 8-shade image signal is entered into a correction circuit and a line direction position signal is input into a position signal decision circuit. When the position signal decision circuit decides that the position signal represents the overlapping zone of the head units, the shade level of the image signal is divided between the head units. For example, when the shade level of the image signal is 7, one of the head units is allotted the shade level and the other is allotted the shade level. The overlapping nozzles in a pair eject droplets of ink to form one dot.

    摘要翻译： 在具有两个头单元的喷墨记录装置中，每个头单元具有排列成一行的多个墨喷嘴，以使它们彼此重叠的方式组装，将8色图像信号输入到校正电路和行方向位置 信号被输入到位置信号判定电路。 当位置信号判定电路判定位置信号表示头部单元的重叠区域时，图像信号的色阶等级在头单元之间被划分。 例如，当图像信号的色调级别为7时，头单元中的一个被分配为阴影层，另一个被分配为阴影层。 一对重叠的喷嘴喷出墨滴，形成一个点。

    Method and apparatus for driving an ink jet head
    9.
    发明授权
    Method and apparatus for driving an ink jet head 失效
    用于驱动喷墨头的方法和装置

    公开(公告)号：US06378973B1

    公开(公告)日：2002-04-30

    申请号：US09456814

    申请日：1999-12-08

    申请人： Atsushi Kubota ,  Hidehiro Watanabe ,  Takahisa Ikeda ,  Megumi Shimizu

    发明人： Atsushi Kubota ,  Hidehiro Watanabe ,  Takahisa Ikeda ,  Megumi Shimizu

    IPC分类号： B41J2538

    CPC分类号： B41J2/04573 ,  B41J2/04586 ,  B41J2/04588 ,  B41J2/165

    摘要： An ink jet head is provided having ink chambers, energy-generating elements provided in the ink chambers, respectively, and ink outlet ports communicating with the ink chambers, respectively. The ink jet head may be left unused for a time longer than a predetermined time, with a meniscus formed in each ink outlet port. In this case, a drive pulse is applied to each energy-generating element several times, thereby forcing the ink outwards from the ink outlet ports and increasing a surface area of the ink from a surface area of the meniscus. Then, a negative pressure is applied in each ink chamber, thereby drawing the ink back toward the ink chambers, thus forming a meniscus again in the ink outlet ports. In this condition, a drive pulse is applied to the energy-generating elements, thus ejecting an ink droplet from the ink outlet ports to record data.

    摘要翻译： 设置有分别设置在墨水室中的墨水室，能量产生元件和与墨水室连通的墨水出口的喷墨头。 喷墨头可以在预定时间内不再使用一段时间，在每个出墨口形成弯液面。 在这种情况下，将驱动脉冲施加到每个能量产生元件多次，从而迫使墨水从墨水出口向外流动并且从弯液面的表面区域增加墨水的表面积。 然后，在每个墨水室中施加负压，从而将墨水向墨水腔抽回，从而在墨水出口端口再次形成弯液面。 在这种情况下，驱动脉冲被施加到能量产生元件，从而从墨水出口喷射墨滴以记录数据。