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    • 33. 发明授权
    • Method of charging a built-in electrophotographic charge member
    • 对内置电子照相充电元件充电的方法
    • US5426488A
    • 1995-06-20
    • US135632
    • 1993-10-14
    • Takashi HayakawaKenji TaniKatsumi Adachi
    • Takashi HayakawaKenji TaniKatsumi Adachi
    • G03G15/02
    • G03G15/0216G03G15/0266G03G2215/023
    • A charging member comprised of a conductive shaft and conductive fibers planted thereon is brought into contact with a charged member with a photoconductor provided on the surface thereof. The conductive shaft is applied with a combined voltage of d.c. voltage and a.c. voltage having a peak-peak value lower than two times the discharge starting threshold voltage that is determined by the surrounding atmosphere around the charged member. While the charging member and the charged member rotate at different surface velocity, the charged member is charged through the contact area in which impedance is low due to the influence of a.c. voltage, so that a stable surface potential close to the d.c. voltage may be charged onto the charged member. Further, it is effective that the frequency f of the a.c. voltage will be so set up as to suffice a relation: f>Vp/2R, where f is a frequency of the applied a.c. voltage, Vp(mm/s) is a moving velocity of the charged member, and R(mm) is a particle size of a developer used. Moreover, it is effective that another charging member is provided on the downstream side of the aforementioned charging member.
    • 由导电轴和其上植入的导电纤维构成的充电构件与带电构件与设置在其表面上的感光体接触。 导电轴施加有直流的组合电压。 电压和电流 电压具有低于由充电构件周围的周围大气确定的放电起始阈值电压的两倍的峰值。 当充电构件和带电构件以不同的表面速度旋转时,由于交流电的影响,带电构件通过阻抗较低的接触区域充电。 电压,使得稳定的表面电位接近直流。 电压可能被充电到带电元件上。 此外,a.c.的频率f是有效的。 电压将被设置为足以满足关系:f> Vp / 2R,其中f是施加的交流电的频率。 电压Vp(mm / s)是带电部件的移动速度,R(mm)是所使用的显影剂的粒径。 此外,在上述充电部件的下游侧设置另一个充电部件是有效的。
    • 37. 发明申请
    • IMAGE DISPLAY APPARATUS, COLOR SIGNAL CORRECTION APPARATUS, AND COLOR SIGNAL CORRECTION METHOD
    • 图像显示装置,彩色信号校正装置和彩色信号校正方法
    • US20100271409A1
    • 2010-10-28
    • US12809230
    • 2009-10-20
    • Hiroyasu MakinoKatsumi AdachiSeiji MinamiHideki Nakata
    • Hiroyasu MakinoKatsumi AdachiSeiji MinamiHideki Nakata
    • G09G5/10
    • G09G3/291G09G2320/0209G09G2320/0242G09G2320/0266G09G2320/0666
    • Upon displaying an image using the subfield driving method, a luminance discrepancy or a chromaticity discrepancy is reduced while effects of horizontal crosstalk are reduced.An image display apparatus (50) that displays an image using the subfield driving method includes: an SF conversion unit (52) which (i) obtains a lighting pattern associated with a luminance indicated by an input color signal of each of red, green, and blue colors, with reference to an SF conversion table in which a lighting pattern indicating which subfield requires lighting among subfields is stored in association with a luminance indicated by a color signal of each of the colors, and (ii) generates for each of the colors, a lighting signal according to the obtained lighting pattern; and a PDP module (53) which displays the image by causing luminescent materials to produce luminescence according to the lighting signal, wherein the number of variations of the lighting pattern stored in at least one of the SF conversion table for blue and the SF conversion table for red is larger than the number of variations of the lighting pattern stored in the SF conversion table for green.
    • 在使用子场驱动方法显示图像时,在降低水平串扰的效果的同时降低亮度差异或色度差异。 使用子场驱动方法显示图像的图像显示装置(50)包括:SF转换单元(52),其(i)获得与由红色,绿色,蓝色的每一个的输入颜色信号所指示的亮度相关联的点亮图案, 和蓝色,参考SF转换表,其中指示哪个子场需要在子场之间照明的照明模式与由每种颜色的颜色信号指示的亮度相关联地存储,并且(ii)产生每个 颜色,根据获得的照明图案的点亮信号; 和PDP模块(53),其通过使发光材料根据照明信号产生发光来显示图像,其中存储在蓝色SF转换表和SF转换表中的至少一个中的点亮图案的变化数量 对于红色,大于存储在用于绿色的SF转换表中的照明模式的变化的数量。
    • 40. 发明授权
    • Development apparatus and image forming apparatus comprising the same
    • 显影装置及其构成装置
    • US07376374B2
    • 2008-05-20
    • US11334547
    • 2006-01-19
    • Katsumi Adachi
    • Katsumi Adachi
    • G03G15/08
    • G03G15/0844G03G21/105
    • A development apparatus according to an embodiment includes a development tank which accommodates developer containing toner and carrier, an agitating screw which agitates and transports the developer in the development tank, and a development roller which is provided close to or in contact with a photosensitive body and visualizes an electrostatic latent image on the photosensitive body. The toner and the carrier are externally replenished to the development tank, and excess developer in the development tank is discharged through a developer discharge outlet to outside of the development container. In the development container, the development apparatus further includes a flow regulating member for regulating a flow of the developer. The flow regulating member is provided facing the developer discharge outlet and extending vertically upward with respect to a bottom plane of the development tank.
    • 根据实施方案的显影装置包括容纳含有调色剂和载体的显影剂的显影槽,搅拌和输送显影槽中的显影剂的搅拌螺杆和设置在感光体附近或与感光体接触的显影辊, 使感光体上的静电潜像可视化。 调色剂和载体被外部补充到显影槽,并且显影槽中的过量显影剂通过显影剂排出口排出到显影容器的外部。 在显影容器中,显影装置还包括用于调节显影剂流动的流动调节构件。 流动调节构件设置成面向显影剂排出口并相对于显影槽的底面垂直向上延伸。