公开(公告)号：US5355158A

公开(公告)日：1994-10-11

申请号：US637633

申请日：1991-01-04

申请人： Genji Inada ,  Hiroshi Tajika ,  Noribumi Koitabashi ,  Hitoshi Sugimoto ,  Atsushi Arai ,  Miyuki Matsubara

发明人： Genji Inada ,  Hiroshi Tajika ,  Noribumi Koitabashi ,  Hitoshi Sugimoto ,  Atsushi Arai ,  Miyuki Matsubara

IPC分类号： B41J2/165 ,  G01D15/18

CPC分类号： B41J2/1714 ,  B41J2/16517

摘要： An ink jet apparatus includes an ink jet head having in energy generator which car, generate energy employed for discharging ink as a droplet from a discharge port, and a control unit for controlling the energy generated from the energy generator so as to remove ink droplets, which adhere to a discharge port surface, by spreading the meniscus of the ink projecting from the discharge port on the discharge port surface. The apparatus is therefore capable of removing floating ink mist particles which adhere to the ink jet head.

摘要翻译： 一种喷墨装置，包括一个具有能量发生器的喷墨头，其中汽车产生用于从排出口排出油墨作为液滴的能量;以及控制单元，用于控制从能量发生器产生的能量以去除墨滴， 其通过将从排出口突出的墨水的液面扩散在排出口表面上而附着于排出口表面。 因此，该装置能够去除附着在喷墨头上的漂浮墨雾颗粒。

公开(公告)号：US5162817A

公开(公告)日：1992-11-10

申请号：US742066

申请日：1991-08-07

申请人： Hiroshi Tajika ,  Hiromitsu Hirabayashi ,  Atsushi Arai ,  Noribumi Koitabashi ,  Yoshiaki Takaynagi

发明人： Hiroshi Tajika ,  Hiromitsu Hirabayashi ,  Atsushi Arai ,  Noribumi Koitabashi ,  Yoshiaki Takaynagi

IPC分类号： B41J2/175

CPC分类号： B41J2/17526 ,  B41J2/17513 ,  B41J2/17566 ,  B41J2002/17579

摘要： An ink jet recording apparatus comprises an ink jet head having an ink path communicating with a discharge opening for discharging ink; electrodes arranged in said ink path; a residual ink quantity detection means for detecting residual ink quantity in said ink path in accordance with a resistance value, current value or voltage value from said electrodes; and a correction means for correcting said resistance value, current value or voltage value in accordance with the difference in a resistance of the ink. This enables the correction means to compensate for different ink resistances and thus provide accurate residual ink detection even when different inks are used or ink resistance changes because of a change in ambient conditions.

摘要翻译： 一种喷墨记录装置，包括：喷墨头，其具有与用于排出墨水的排出口连通的油墨通道; 布置在所述油墨通道中的电极; 残留墨量检测装置，用于根据来自所述电极的电阻值，电流值或电压值检测所述墨通道中的残留墨量; 以及校正装置，用于根据墨的电阻差校正所述电阻值，电流值或电压值。 这使得校正装置能够补偿不同的油墨电阻，从而即使在使用不同的油墨时也能提供准确的残留油墨检测，或者由于环境条件的改变而油墨的阻力变化。

公开(公告)号：US5142374A

公开(公告)日：1992-08-25

申请号：US531312

申请日：1990-05-31

申请人： Hiroshi Tajika ,  Noribumi Koitabashi ,  Atsushi Arai ,  Hiromitsu Hirabayashi

发明人： Hiroshi Tajika ,  Noribumi Koitabashi ,  Atsushi Arai ,  Hiromitsu Hirabayashi

IPC分类号： B41J2/21 ,  B41J2/205 ,  B41J2/52 ,  H04N1/23 ,  H04N1/40 ,  H04N1/405

CPC分类号： H04N1/40087 ,  H04N1/405

摘要： In order to record an image having an excellent gradient by using inks of different densities, image data for dark ink and light ink are generated in accordance with the received image data. The generated data for dark ink is converted into a binary signal which is suitable for reproducing the resolution, while data for light ink is converted to another binary signal which is suitable for expressing gradient. In accordance with these binary signals, the discharge of each ink is controlled so as to record the image.

公开(公告)号：US07029095B2

公开(公告)日：2006-04-18

申请号：US09986804

申请日：2001-11-13

申请人： Hitoshi Tsuboi ,  Katsuhiro Shirota ,  Noribumi Koitabashi ,  Yasunori Fujimoto

发明人： Hitoshi Tsuboi ,  Katsuhiro Shirota ,  Noribumi Koitabashi ,  Yasunori Fujimoto

IPC分类号： B41J2/165

CPC分类号： B41J2/16526 ,  B41J2002/1657 ,  B41J2002/16573

摘要： The present invention provides an ink jet printing apparatus and a preliminary ejecting method. In both a full-line and a serial printer, the amount of ink passing through nozzles of print heads is sometimes decreased below a normal value before and during actual printing, In the printer of present invention, a preliminary ejecting operation is performed taking the opportunity in which the amount of ink passing through nozzles is decreased below a normal value. Then, the amount of ink passing through nozzles recovers to the normal value at an ink ejection after the preliminary ejecting operation. Since only a small amount of ink is ejected through the nozzles during the preliminary ejection operation, dots formed on a print sheet are not noticeable. Further, it is unnecessary to move the print heads to a home position where an ejection recovering process is executed to remove ink having an increase viscosity.

公开(公告)号：US06945628B2

公开(公告)日：2005-09-20

申请号：US10270531

申请日：2002-10-16

申请人： Noribumi Koitabashi ,  Tsutomu Kawai ,  Tadashi Matsumoto ,  Hitoshi Tsuboi ,  Haruhiko Koto ,  Yasunori Fujimoto

发明人： Noribumi Koitabashi ,  Tsutomu Kawai ,  Tadashi Matsumoto ,  Hitoshi Tsuboi ,  Haruhiko Koto ,  Yasunori Fujimoto

IPC分类号： B41J2/17 ,  B41J2/21 ,  B41J2/165 ,  B41J25/308

CPC分类号： B41J11/007 ,  B41J2/1714 ,  B41J2/2114 ,  B41J25/308 ,  B41J25/3082 ,  B41J2202/21

摘要： In an ink jet printing apparatus that performs printing by using an ink and a processing liquid that renders the ink insoluble, an effect the mist of the processing liquid or substances insolubilized by it has on the ejection performance of the ink head or processing liquid head is reduced. The distance between the processing liquid head 101S and the print paper 103 carried by the belt 111 is set larger than the head-to-paper distances of other heads 101Bk, 101C, 101M, 101Y. As a result, the mist generated by the ejection of the processing liquid from the head 101S diffuses in a recessed space formed by the heads 101Bk and 101C on both sides of the head 101S and thus hardly reaches the ink nozzle surfaces of these heads on both sides.

摘要翻译： 在通过使用油墨和使油墨不溶解的处理液进行打印的喷墨打印设备中，由于其不溶解的处理液体或物质的雾对油墨头或处理液头的喷射性能的影响是 减少 处理液头101S与带111携带的打印纸103之间的距离设定为大于其他头101Bk，101C，101M，101Y的头与纸的距离。其结果是， 通过从头部101S喷射处理液而产生的雾在头部101S的两侧上由头部101Bk和101C​​形成的凹陷空间中扩散，从而几乎不到达两侧的这些头部的墨水喷嘴表面 。

公开(公告)号：US06860593B2

公开(公告)日：2005-03-01

申请号：US10241567

申请日：2002-09-12

申请人： Akio Kashiwazaki ,  Katsuhiro Shirota ,  Akihiro Mouri ,  Noribumi Koitabashi ,  Hitoshi Tsuboi ,  Yasunori Fujimoto

发明人： Akio Kashiwazaki ,  Katsuhiro Shirota ,  Akihiro Mouri ,  Noribumi Koitabashi ,  Hitoshi Tsuboi ,  Yasunori Fujimoto

IPC分类号： B41J2/01 ,  B41J2/135 ,  B41J2/14 ,  B41J2/145 ,  B41J2/15 ,  B41J2/16 ,  B41J2/175 ,  B41M5/00 ,  C09C1/56 ,  C09C3/08 ,  C09C3/10 ,  C09D11/00 ,  C09D11/322 ,  C09D11/324 ,  C09D11/328

CPC分类号： C09D11/324 ,  C09D11/40

摘要： An ink which includes a first pigment, a second pigment, a polymer dispersant and an aqueous medium; wherein the first pigment is a self-dispersing pigment having on its surface at least one anionic group bonded to the surface directly or via an atomic group, the second pigment is dispersed in the aqueous medium by the polymer dispersant, and the polymer dispersant contains benzylmethacrylate as a monomer unit. Diffusion of this ink in the printing medium is suppressed in the cross-sectional direction but not horizontal direction. Thus, the ink can form an ink dot that has a proper dot size, uniform and high density in the dot, with little feathering or blur.

摘要翻译： 一种油墨，其包含第一颜料，第二颜料，聚合物分散剂和水性介质; 其中所述第一颜料是自分散颜料，其表面上具有至少一个阴离子基团直接或经由原子团键合到所述表面上，所述第二颜料通过所述聚合物分散剂分散在所述水性介质中，并且所述聚合物分散剂含有甲基丙烯酸苄酯 作为单体单元。 这种油墨在打印介质中的扩散在横截面方向上被抑制，但是在水平方向上被抑制。 因此，油墨可以形成具有适当的点尺寸，点均匀和高密度的墨点，几乎没有羽化或模糊。

公开(公告)号：US06527385B2

公开(公告)日：2003-03-04

申请号：US09801757

申请日：2001-03-09

申请人： Noribumi Koitabashi ,  Hitoshi Tsuboi

发明人： Noribumi Koitabashi ,  Hitoshi Tsuboi

IPC分类号： B41J201

CPC分类号： B41M5/0017 ,  B41J2/2114 ,  C09D11/40 ,  C09D11/54

摘要： An ink-jet printing process which includes the steps of applying one or two inks on a recording medium, and applying a treating liquid reactive with the ink prior to the ink application, wherein the ink contains a first pigment and a second pigment dispersed in an aqueous medium, or two inks each contains the first pigment and the second pigment respectively, wherein the first pigment is a self-dispersing pigment having anionic groups or cationic groups bonded directly or through another atomic group to the surface of the pigment; and the second pigment can be dispersed in an aqueous medium by a polymer dispersant, the ink further contains a dispersant for disperse the second ink where the dispersant is a nonionic dispersant or a dispersant having the same polarity as that of the group bonded to the surface of the first pigment, and the treating liquid.

摘要翻译： 一种喷墨印刷方法，包括以下步骤：在记录介质上涂上一种或两种油墨，并在涂墨之前涂覆与油墨反应的处理液，其中油墨含有分散在油墨中的第一颜料和第二颜料 水性介质或两种油墨各自分别含有第一颜料和第二颜料，其中第一颜料是具有阴离子基团或阳离子基团的自分散颜料，其直接或通过另一个原子团键合到颜料的表面; 并且第二颜料可以通过聚合物分散剂分散在水性介质中，油墨还含有用于分散第二油墨的分散剂，其中分散剂是非离子分散剂或具有与结合到表面上的基团相同极性的分散剂 的第一颜料和处理液。

公开(公告)号：US06511145B1

公开(公告)日：2003-01-28

申请号：US08883575

申请日：1997-06-26

申请人： Hitoshi Tsuboi ,  Noribumi Koitabashi

发明人： Hitoshi Tsuboi ,  Noribumi Koitabashi

IPC分类号： B41J2938

CPC分类号： B41J2/04528 ,  B41J2/04533 ,  B41J2/04543 ,  B41J2/04563 ,  B41J2/04573 ,  B41J2/0458 ,  B41J2/04588 ,  B41J2/04598 ,  B41J2202/17 ,  B41J2202/19 ,  B41J2202/20

摘要： A method for adjusting an amount of discharge is to adjust the amount of liquid between liquid discharge units to discharge the liquid by driving a plurality of electrothermal transducing elements, which uses a plurality of liquid discharge units arranged corresponding to each liquid path for the creation of air bubbles for discharging the liquid, at the same time, being arranged to be capable of being driven individually. This method comprises the step of variably controlling the starting time of driving signal applied to each of the electrothermal transducing elements for the creation of air bubbles in each of the discharge units. The variable control thereof makes it possible to suppress the variation of discharge amount of liquid between the liquid discharge units, hence maintaining the amount of liquid discharged from each of the discharging units at a constant level to obtain printed images of higher quality.

摘要翻译： 用于调节放电量的方法是通过驱动多个电热转换元件来调节液体排出单元之间的液体量，以排出液体，该多个电热转换元件使用与每个液体通道相对应设置的多个液体排出单元，用于产生 用于排出液体的气泡，同时被布置成能够单独驱动。 该方法包括可变地控制施加到每个电热转换元件的驱动信号的开始时间以在每个排出单元中产生气泡的步骤。 其可变控制使得可以抑制液体排出单元之间的液体的排出量的变化，从而将从每个排出单元排出的液体量保持在恒定水平以获得更高质量的打印图像。

公开(公告)号：US06387168B1

公开(公告)日：2002-05-14

申请号：US09467179

申请日：1999-12-20

申请人： Noribumi Koitabashi ,  Sadayuki Sugama ,  Yoshihisa Takizawa ,  Hitoshi Tsuboi

发明人： Noribumi Koitabashi ,  Sadayuki Sugama ,  Yoshihisa Takizawa ,  Hitoshi Tsuboi

IPC分类号： C09D1100

CPC分类号： C09D11/322 ,  C09D11/40

摘要： Disclosed herein is an ink comprising a first pigment, a second pigment and a dispersant, both of the pigment being dispersed in an aqueous medium, wherein the first pigment is a self-dispersing pigment having an anionic group or a cationic group, the group being bonded directly or through an atomic group to a surface of the pigment, the second pigment is a pigment dispersible in an aqueous medium with the dispersant, and the dispersant is an ionic polymeric dispersant having a same polarity as that of the group bonded to the surface of the pigment or a nonionic polymeric dispersant.

摘要翻译： 本文公开了包含第一颜料，第二颜料和分散剂的油墨，两种颜料分散在水性介质中，其中第一颜料是具有阴离子基团或阳离子基团的自分散颜料，该基团为 直接或通过原子团键合到颜料的表面，第二颜料是可以在分散剂的水性介质中分散的颜料，并且分散剂是与结合到表面的基团极性相同的离子聚合物分散剂 的颜料或非离子聚合物分散剂。

公开(公告)号：US06169556A

公开(公告)日：2001-01-02

申请号：US08884465

申请日：1997-06-27

申请人： Noribumi Koitabashi ,  Hitoshi Tsuboi

发明人： Noribumi Koitabashi ,  Hitoshi Tsuboi

IPC分类号： B41J214

CPC分类号： B41J2/04563 ,  B41J2/0458 ,  B41J2/04591 ,  B41J2/14056 ,  B41J2/14072

摘要： An ink jet recording apparatus is disclosed. A recording head is provided with a plurality of heaters in each nozzle. The plurality of heaters are arranged with different distances OH from the position of a center of gravity to an orifice. A front heater and a rear heater are alternately driven to discharge ink.

摘要翻译： 公开了一种喷墨记录装置。 记录头在每个喷嘴中设置有多个加热器。 多个加热器布置成具有不同距离的OH从重心的位置到孔口。 交替地驱动前加热器和后加热器以排出墨。