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    • 2. 发明授权
    • Toner and method of developing
    • 调色剂和开发方法
    • US5474869A
    • 1995-12-12
    • US316071
    • 1994-09-30
    • Masami TomitaKohichi KatohTomoe HagiwaraKoji SuzukiShigekazu EnokiNaoki IwataMotoi OriharaShinichi Kuramoto
    • Masami TomitaKohichi KatohTomoe HagiwaraKoji SuzukiShigekazu EnokiNaoki IwataMotoi OriharaShinichi Kuramoto
    • G03G9/087G03G9/08G03G13/08G03G15/08
    • G03G9/0821G03G13/08G03G15/0806G03G9/0823G03G2215/0614Y10S430/104
    • A toner comprising a binder resin and a coloring agent, with an aggregation degree of 5 to 60%, and an absolute value of Q/M measured by the suction method of 2 to 30 .mu.C/g for use in (1) an image formation method in which electric charges are selectively held on the surface of a development roller to form a number of closed micro fields near the surface of the development roller, a non-magnetic one-component type developer comprising toner, with addition of an auxiliary agent thereto when necessary, is supplied onto the development roller, the developer is held on the surface of the development roller by the micro fields, and latent electrostatic images are developed to visible toner images, and (2) an image formation method in which the surface of a developer-bearing member having a chargeable and photoconductive surface is charged, the charged surface is selectively exposed to light for form a number of micro fields near the developer-bearing member, a non-magnetic one-component type developer comprising toner, to which auxiliary agents may be added when necessary, is supplied onto the development roller, the developer is held on the surface of the development roller by the micro fields, and latent electrostatic images are developed to visible images by the developer.
    • 包含粘合剂树脂和着色剂的调色剂,聚集度为5〜60%,吸收法测定的Q / M绝对值为2〜30μC/ g,用于(1)图像 选择性地将电荷保持在显影辊的表面上以形成显影辊表面附近的多个闭合微场的形成方法,包含调色剂的非磁性单组分型显影剂,添加辅助剂 必要时将其供给到显影辊上,显影剂通过微场被保持在显影辊的表面上,静电潜像被显影成可见的调色剂图像,(2)图像形成方法,其中表面 具有可充电和光电导表面的显影剂承载构件被充电,带电表面选择性地暴露于光以形成显影剂承载构件附近的多个微场,非磁性单组分 包含调色剂的pe显影剂,必要时可以加入辅助剂,供给到显影辊上,显影剂通过微场被保持在显影辊的表面上,静电潜像由显影剂显影成可见的图像 。
    • 3. 发明授权
    • Developing device and image forming apparatus
    • 显影装置和图像形成装置
    • US08811863B2
    • 2014-08-19
    • US13041891
    • 2011-03-07
    • Takashi OchiShota ObaShigeru InabaShinichi KuramotoYoshitaka Nakajima
    • Takashi OchiShota ObaShigeru InabaShinichi KuramotoYoshitaka Nakajima
    • G03G15/09
    • G03G15/0921
    • A developing device includes: a developing member including a magnetism-generating member having plural magnetic poles polarized in a circumferential-direction thereof, and a rotating member that is rotated about the magnetism-generating member; a developer-pumping pole provided in the magnetism-generating member, and that pumps up the developer, which is supplied from a developer accommodating portion, to the rotating member surface; a developer-peeling-off pole provided in the magnetism-generating member below a rotation axis of the rotating member in a vertical direction on an upstream side of the developer-pumping pole in a rotational-direction of the rotating member, that peels off the developer from the rotating member surface; and a magnetic body provided in at least a portion between a facing position facing the developer-peeling-off pole in a circumferential-direction of the rotating member and an intermediate position between the developer-peeling-off pole and the developer-pumping pole in the circumferential direction, facing the rotating member surface.
    • 显影装置包括:显影构件,包括具有多个在其周向极化的磁极的磁发生构件和围绕该磁性发生构件旋转的旋转构件; 设置在所述磁力产生部件中的显影剂抽吸极,并且将从显影剂容纳部供应的显影剂泵送到所述旋转部件表面; 显影剂剥离极,其设置在所述旋转构件的旋转轴的下方的所述磁性发生构件的垂直方向的旋转构件的旋转方向的显影剂抽吸极的上游侧,剥离所述显影剂剥离极 显影剂从旋转构件表面; 以及设置在旋转构件的圆周方向上的面向显影剂剥离极的面对位置与显影剂剥离极与显影剂抽出极之间的中间位置的至少一部分的磁性体, 圆周方向,面向旋转构件表面。
    • 4. 发明授权
    • Developing device and image-forming apparatus
    • 显影装置和图像形成装置
    • US08548364B2
    • 2013-10-01
    • US12729010
    • 2010-03-22
    • Shota ObaShigeru InabaTakashi YamamuroTakashi OchiShinichi Kuramoto
    • Shota ObaShigeru InabaTakashi YamamuroTakashi OchiShinichi Kuramoto
    • G03G15/08
    • G03G15/0928G03G15/0818
    • A developing device includes: an magnetic field generating unit that generates an magnetic field; and a cylindrical developer holder, to which a voltage is applied, that surrounds the magnetic field generating unit and rotates, the cylindrical developer holder: having an outer circumferential surface having a plurality of grooves that extend in a direction of a rotational axis, the outer circumferential surface being capable of holding developer including a magnetic substance by using the magnetic field generated by the magnetic field generation unit, an electrical resistance of an inner wall surface of each of the grooves being higher than an electrical resistance of the magnetic substance included in the developer; and supplying the developer to an image holder that holds an electrostatic latent image.
    • 显影装置包括:产生磁场的磁场产生单元; 以及围绕所述磁场发生单元并旋转的施加有电压的圆筒形显影剂保持器,所述圆筒形显影剂保持器具有外周表面,所述外周表面具有沿旋转轴线的方向延伸的多个凹槽,所述外部 周向表面能够通过使用由磁场产生单元产生的磁场来保持包括磁性物质的显影剂,每个凹槽的内壁表面的电阻高于包含在磁场中的磁性物质的电阻 开发商 并将显影剂供给到保持静电潜像的图像保持器。
    • 5. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20100142983A1
    • 2010-06-10
    • US12464460
    • 2009-05-12
    • Yoshifumi OzakiShinichiro FujimoriTakashi OchiAkihiko NodaShinichi KuramotoKenji Ogi
    • Yoshifumi OzakiShinichiro FujimoriTakashi OchiAkihiko NodaShinichi KuramotoKenji Ogi
    • G03G15/00
    • G03G15/5062
    • There is provided an image forming apparatus. The image forming apparatus, after controlling so as to develop the developer image representing the predetermined image formed a plurality of times in the same location on an image carrier by an exposing component, controls such that without performing exposure with the exposing component, the developer image, developed on the image carrier by the developing component applying a biasing voltage to the developer so as to adhere the developer to the image carrier including to the same location on the image carrier, is transferred to the transfer component and detects whether or not a ghost image is generated by comparing the density detected by a detecting component at a position of a transfer body corresponding to the same location of the image carrier to a reference density.
    • 提供了一种图像形成装置。 图像形成装置在通过曝光分量在图像载体上在相同位置上形成表示预定图像的显影剂图像的控制之后,控制使得不用曝光成分进行曝光,显影剂图像 通过显影部件在显影部件上向显影剂施加偏置电压以将显影剂粘附到包括在图像载体上的相同位置的图像载体上的图像载体上被传送到传送部件并检测是否存在重影 通过将与图像载体的相同位置对应的传送体的位置处的检测部件检测到的浓度与参考密度进行比较来生成图像。