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    • 2. 发明授权
    • Magnetic recording image developing apparatus
    • 磁记录图像显影装置
    • US4686933A
    • 1987-08-18
    • US867627
    • 1986-05-27
    • Yoshihiko FujimuraKoichi SaitohYuji Suemitsu
    • Yoshihiko FujimuraKoichi SaitohYuji Suemitsu
    • G03G15/09G03G19/00
    • G03G15/0914G03G15/0921G03G19/005
    • An apparatus for developing a latent magnetic image on a moving magnetic recording medium in which the image is always satisfactorily developed without excess toner particles yet using a simple mechanism. A developing magnet extends parallel to the surface of the recording medium, which is in the form of a magnetic drum. The direction of the magnetic field produced by the magnet at the point (line) of closest approach of the recording medium and magnet is the same as the direction of the magnetic field at boundaries between background regions and recorded image regions on the magnetic recording medium. A nonmagnetic rotating sleeve is positioned around the development magnet, and magnetic toner supplied to the outer surface of the sleeve.
    • 一种用于在移动的磁记录介质上显影潜像的装置,其中图像总是令人满意地显影而没有过多的调色剂颗粒,而使用简单的机构。 显影磁体平行于记录介质的表面延伸,记录介质呈磁鼓的形式。 在记录介质和磁体的最接近的点(线)处由磁体产生的磁场的方向与磁记录介质上的背景区域和记录图像区域之间的边界处的磁场方向相同。 非磁性旋转套筒围绕显影磁体定位,并且磁性调色剂供应到套筒的外表面。
    • 5. 发明授权
    • Thermal electrostatic ink-jet recording apparatus
    • 热静电喷墨记录装置
    • US4748458A
    • 1988-05-31
    • US44955
    • 1987-05-01
    • Nanao InoueKoichi SaitoEiichi AkutsuYoshihiko FujimuraKiyoshi Horie
    • Nanao InoueKoichi SaitoEiichi AkutsuYoshihiko FujimuraKiyoshi Horie
    • B41J2/05B41J2/015B41J2/06B41J2/065G01D15/16
    • B41J2/065B41J2002/061
    • A thermal electrostatic ink-jet recording apparatus includes an orifice for storing and jetting ink. The orifice is formed between first and second plate members and a longitudinal array of heating elements is formed on one of the plate members and is covered by an insulating layer. An electrically conductive layer is formed either on the insulating layer or the other plate member and cooperates with a counter electrode supporting a recording medium to apply an electrostatic field to ink in the orifice. The electrically conductive layer includes a central portion that extends substantially to the egress of the orifice in the area where ink is contained in the orifice and peripheral portions on either side of the orifice that are not in contact with the ink and that are spaced substantially away from the egress of the orifice. The spacing of the peripheral portion away from the egress of the orifice prevents a gas discharge phenomenon that induces instability in ink jetting.
    • 热静电喷墨记录装置包括用于存储和喷射墨水的孔口。 孔口形成在第一和第二板构件之间,并且加热元件的纵向阵列形成在其中一个板构件上并被绝缘层覆盖。 在绝缘层或另一个板构件上形成导电层,并与支撑记录介质的对电极配合,以向孔中的墨施加静电场。 导电层包括中心部分,其基本上延伸到在孔中容纳有墨水的区域中的孔的出口以及不与墨接触并且基本上间隔开的孔的任一侧上的周边部分 从孔的出口。 外围部分与孔口出口的间距防止了喷墨过程中引起不稳定的气体放电现象。
    • 9. 发明授权
    • Ink supply device ink jet printer and ink supply method
    • 墨水供应装置喷墨打印机和墨水供应方法
    • US5760806A
    • 1998-06-02
    • US887263
    • 1997-07-02
    • Kazuyuki OdaJunichi YoshidaJun TakagiYoshihiko Fujimura
    • Kazuyuki OdaJunichi YoshidaJun TakagiYoshihiko Fujimura
    • B41J2/175
    • B41J2/17513B41J2/17556
    • An ink supply device for use in an ink jet printer comprising a main ink chamber in communication through a communication hole with a sub-ink chamber containing an ink absorbing member therein. A meniscus film forming member covering the communication hole and communicating the main ink chamber with the sub-ink chamber; the member having a first surface facing the interior of the main ink chamber and an opposite second surface. An ink guide member extending into a lower portion of the main chamber and also being in contact with the first surface of the film forming member, wherein as ink in the main ink chamber is consumed a differential pressure between the first and second surfaces of the film forming member causes a gradual expansion of a liquid meniscus film into an air bubble on the film forming member to maintain a constant negative pressure in the main ink chamber.
    • 一种用于喷墨打印机的供墨装置,包括通过连通孔连通的主墨室,其中含有墨吸收件的副墨室。 覆盖所述连通孔并将所述主墨水室与所述副墨水室连通的弯月形成膜构件; 所述构件具有面向主墨水室的内部的第一表面和相对的第二表面。 一种墨水引导构件,其延伸到主室的下部并且还与成膜构件的第一表面接触,其中当主墨室中的墨水被消耗时,膜的第一和第二表面之间的压差 成形构件使液体弯月面膜逐渐膨胀到成膜构件上的气泡中,以在主油墨室中保持恒定的负压。