利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

71 条记录 (耗时 0.028 秒)

    Preventing defective nozzle ink discharge in continuous inkjet printhead from being used for printing
    2.
    发明授权
    Preventing defective nozzle ink discharge in continuous inkjet printhead from being used for printing 失效
    防止连续喷墨打印头中的喷墨墨水排出不良被用于打印

    公开(公告)号：US07004571B2

    公开(公告)日：2006-02-28

    申请号：US10375514

    申请日：2003-02-25

    申请人： Gregory J. Garbacz ,  James M. Chwalek

    发明人： Gregory J. Garbacz ,  James M. Chwalek

    IPC分类号： B41J2/02

    CPC分类号： B41J2/03 ,  B41J2002/022 ,  B41J2002/031 ,  B41J2002/033 ,  B41J2202/16

    摘要： A method, and apparatus for performing the method, are intended to prevent all of the ink discharged from a defective one of multiple nozzles in a continuous inkjet printhead from being used for printing on a print medium. This can be done by periodically heating the defective nozzle at a frequency that is greater than frequencies other nozzles which are not defective are periodically heated, to cause the defective nozzle to only discharge ink droplets that have a smaller volume than ink droplets discharged from the nozzles that are not defective. Then, the smaller volume droplets discharged from the defective nozzle are prevented from reaching a print medium, but the larger volume ink droplets discharged from the nozzles that are not defective are allowed to reach the print medium.

    摘要翻译： 用于执行该方法的方法和装置旨在防止从连续喷墨打印头中的多个喷嘴中的有缺陷的喷嘴中排出的所有墨水都用于打印介质上的打印。 这可以通过周期性地加热有缺陷的喷嘴的频率来实现，该频率大于频率不同于周期性加热的其它喷嘴的频率，以使有缺陷的喷嘴仅排出具有比从喷嘴喷出的墨滴的体积更小的墨滴 没有缺陷。 然后，防止从有缺陷的喷嘴排出的较小体积的液滴到达打印介质，但是允许从喷嘴排出的较大体积的墨滴到达打印介质。

    Continuous ink jet printing with improved drop formation
    6.
    发明授权
    Continuous ink jet printing with improved drop formation 失效
    连续喷墨印刷，具有改进的液滴形成

    公开(公告)号：US06682182B2

    公开(公告)日：2004-01-27

    申请号：US10120023

    申请日：2002-04-10

    申请人： David L. Jeanmaire ,  James M. Chwalek ,  David P. Trauernicht

    发明人： David L. Jeanmaire ,  James M. Chwalek ,  David P. Trauernicht

    IPC分类号： B41J207

    CPC分类号： B41J2/07 ,  B41J2002/031 ,  B41J2202/16

    摘要： Imaging apparatus includes a printhead with one or more nozzles, wherein heaters are positioned proximate to the nozzles. Electrical activation of the heaters creates ink droplets having a plurality of volumes. The use of higher-energy pulses in the portion of the waveform of heater activation associated with the formation of small drops results in more constant relative drop velocities and consequently, improved image quality. The printing apparatus also contains a droplet deflector having a gas source positioned at an angle with respect to the stream of droplets thereby separating ink droplets having one of the plurality of volumes from ink droplets having another of the plurality of volumes. An ink guttering structure is provided for capturing one range of ink-drop volumes, while allowing another volume range to strike an image receiver.

    摘要翻译： 成像设备包括具有一个或多个喷嘴的打印头，其中加热器位于喷嘴附近。 加热器的电激活产生具有多个体积的墨滴。 在与小滴形成相关联的加热器激活的波形的部分中使用较高能量的脉冲导致更恒定的相对下降速度，从而提高图像质量。 打印设备还包含液滴偏转器，其具有相对于液滴流成一定角度的气体源，从而将具有多个体积中的一个的墨滴与具有多个体积中的另一个的墨滴分离。 提供墨水沟槽结构用于捕获一个范围的墨滴量，同时允许另一个体积范围撞击图像接收器。

    Inkjet drop selection a non-uniform airstream
    7.
    发明授权
    Inkjet drop selection a non-uniform airstream 有权
    喷墨滴选择不均匀的气流

    公开(公告)号：US06554389B1

    公开(公告)日：2003-04-29

    申请号：US10023248

    申请日：2001-12-17

    申请人： Gilbert A. Hawkins ,  Christopher N. Delametter ,  David L. Jeanmaire ,  James M. Chwalek

    发明人： Gilbert A. Hawkins ,  Christopher N. Delametter ,  David L. Jeanmaire ,  James M. Chwalek

    IPC分类号： B41J29393

    CPC分类号： B41J2/03 ,  B41J2/14 ,  B41J2202/02

    摘要： An apparatus for controlling errant ink drops in an inkjet printer having a plurality of nozzles for ejecting ink drops along a droplet trajectory and printing the ejected ink drops onto a receiver, including: at least one airflow channel arranged to provide a non-uniform airflow pattern located along a portion of the droplet trajectory, wherein the apparatus is in close proximity to the plurality of nozzles and prior to the receiver, such that the non-uniform airflow pattern provides compensation for errors in the printing of the ejected ink drops on the receiver and means for moving air in the airflow channel.

    摘要翻译： 一种用于控制喷墨打印机中的错误墨滴的装置，具有多个喷嘴，用于沿着液滴轨迹喷射墨滴，并将喷射的墨滴打印到接收器上，包括：至少一个气流通道，其布置成提供不均匀的气流模式 沿着液滴轨迹的一部分定位，其中该装置紧邻多个喷嘴并且在接收器之前，使得不均匀的气流模式为接收器上喷射的墨滴的打印错误提供补偿 以及用于在气流通道中移动空气的装置。

    Continuous ink jet print head having multi-segment heaters
    8.
    发明授权
    Continuous ink jet print head having multi-segment heaters 有权
    具有多段加热器的连续喷墨打印头

    公开(公告)号：US06217163B1

    公开(公告)日：2001-04-17

    申请号：US09221342

    申请日：1998-12-28

    申请人： Constantine N. Anagnostopoulos ,  James M. Chwalek ,  Gilbert A. Hawkins

    发明人： Constantine N. Anagnostopoulos ,  James M. Chwalek ,  Gilbert A. Hawkins

    IPC分类号： B41J202

    CPC分类号： B41J2/03 ,  B41J2/09 ,  B41J2/105 ,  B41J2002/032 ,  B41J2202/16

    摘要： To compensate for droplet placement errors, a continuous ink jet printer includes a heater having a plurality of selectively independently actuated sections which are positioned along respectively different portions of the nozzle bore's perimeter. An actuator selectively activates none, one, or a plurality of the heater sections such that: actuation of heater sections associated with only a portion of the entire nozzle bore perimeter produces an asymmetric application of heat to the stream to control the direction of the stream between a print direction and a non-print direction, and simultaneous actuation of different numbers of heater sections associated with only a portion of the entire nozzle bore perimeter produces corresponding different asymmetric application of heat to the stream to thereby control the direction of the stream between one print direction and another print direction.

    摘要翻译： 为了补偿液滴放置误差，连续喷墨打印机包括具有多个选择性独立致动部分的加热器，其沿着喷嘴孔的周边的不同部分定位。 致动器选择性地激活任何一个，一个或多个加热器部分，使得仅与整个喷嘴孔周边的一部分相关联的加热器部分的致动产生热量对流的不对称施加，以控制流之间的方向 打印方向和非打印方向，并且与仅与整个喷嘴孔周边的一部分相关联的不同数量的加热器部分的同时致动产生热量对流的相应不同的不对称应用，从而控制流在一个 打印方向和其他打印方向。

    Continuous ink jet printer with variable contact drop deflection
    9.
    发明授权
    Continuous ink jet printer with variable contact drop deflection 失效
    连续喷墨打印机具有可变的接触液滴偏转

    公开(公告)号：US6012805A

    公开(公告)日：2000-01-11

    申请号：US953525

    申请日：1997-10-17

    申请人： Gilbert A. Hawkins ,  Constantine N. Anagnostopoulos ,  James M. Chwalek ,  David L. Jeanmaire

    发明人： Gilbert A. Hawkins ,  Constantine N. Anagnostopoulos ,  James M. Chwalek ,  David L. Jeanmaire

    IPC分类号： B41J2/095 ,  B41J2/03 ,  B41J2/085 ,  B41J2/09 ,  B41J2/105

    CPC分类号： B41J2/09 ,  B41J2/03 ,  B41J2002/032 ,  B41J2202/16

    摘要： Apparatus is disclosed for controlling ink in a continuous ink jet printer in which a continuous stream of ink is emitted from a nozzle, wherein an ink stream generator establishes a continuous flow of ink in a stream such that the stream breaks up into a plurality of droplets at a position spaced from the ink stream generator. A stream deflector includes a body having a surface positioned adjacent to the stream between the ink stream generator and the position whereat the stream breaks up into droplets such that the stream contacts the surface and is deflected at least in part due to a tendency of liquid to contact a surface in proportion to liquid-solid free energy. The stream may be deflected substantially totally due to a tendency of liquid to contact a surface in proportion to liquid-solid free energy, or may be deflected partially due to a tendency of liquid to contact a surface in proportion to liquid-solid free energy and partially due to a reactive force on the stream exerted by the surface as a result of collision of the stream with the surface.

    摘要翻译： 公开了用于控制连续喷墨打印机中的油墨的装置，其中从喷嘴喷射连续的墨水流，其中油墨流发生器建立流中连续的油墨流，使得流分解成多个液滴 在与墨水流发生器隔开的位置处。 流偏转器包括主体，该主体具有邻近油墨流发生器之间的流定位的位置，并且该流分解成液滴的位置，使得该流接触该表面并由于液体的倾向至少部分地偏转 与液固自由能成比例地接触表面。 由于液体与液体 - 固体自由能成比例地接触表面的倾向，流可以基本上完​​全偏转，或者由于液体与液体 - 固体自由能成比例地接触表面的倾向而部分地偏转， 部分原因是由于流与表面的碰撞而由表面施加的流上的反作用力。