会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Development device
    • 开发设备
    • US6070040A
    • 2000-05-30
    • US252027
    • 1999-02-18
    • Hiroshi GotoYoichi FujiedaShuichi NakagawaRyuji Inoue
    • Hiroshi GotoYoichi FujiedaShuichi NakagawaRyuji Inoue
    • G03G15/08G03G15/06
    • G03G15/065G03G2215/0634
    • A development device according to the invention has an arrangement wherein a developer carrying member holding a toner thereon and an image bearing member with an electrostatic latent image formed thereon oppose each other across a predetermined gap therebetween, and a power unit applies an alternating voltage to the gap for supplying the toner from the developer carrying member to the image bearing member, the development device satisfying any one the following conditions: ##EQU1## where a (.OMEGA.) denotes a resistance component of an impedance (a+b.multidot.i) of the developer carrying member, -b (.OMEGA.) denotes a capacitative reactance component of the impedance thereof, and f (Hz) denotes a frequency of the alternating voltage.
    • 根据本发明的显影装置具有其中在其上保持调色剂的显影剂承载构件和其上形成有静电潜像的图像承载构件跨过其间的预定间隙彼此相对的布置,并且功率单元将交流电压施加到 用于将调色剂从显影剂承载构件供应到图像承载部件的间隙,所述显影装置满足以下条件:其中,(OMEGA)表示显影剂承载部件的阻抗(a + bxi)的电阻分量, b(OMEGA)表示其阻抗的电容电抗分量,f(Hz)表示交流电压的频率。
    • 7. 发明授权
    • Developing device and regulating member
    • 显影装置和调节构件
    • US5870658A
    • 1999-02-09
    • US69171
    • 1998-04-29
    • Hiroshi GotoShuichi NakagawaYoichi FujiedaRyuji Inoue
    • Hiroshi GotoShuichi NakagawaYoichi FujiedaRyuji Inoue
    • G03G15/08
    • G03G15/0812
    • The present invention is directed to a developing device using a developer carrying member in which an insulating layer is formed on the surface of a conductive base substrate for regulating, in conveying a developer to a developing area opposite to an image carrying member with it being held on the surface of the developer carrying member, the amount of the developer conveyed to the developing area upon pressing a regulating member against the surface of the developer carrying member, wherein a regulating member in which a dielectric layer satisfying the following relationship (1) is formed on an electrical conductive member is used as the regulating member, to press the dielectric layer against the developer carrying member:t/.epsilon..gtoreq.10 (1)where t (.mu.m) is the thickness of the dielectric layer, and .epsilon. is the relative dielectric constant of the dielectric layer.
    • 本发明涉及一种使用显影剂承载构件的显影装置,其中在导电基底基板的表面上形成绝缘层,用于在将显影剂传送到与图像承载构件相对的显影区域时进行调节 在显影剂承载构件的表面上,在将调节构件压靠在显影剂承载构件的表面上时,传送到显影区域的显影剂的量,其中满足以下关系式(1)的介电层的调节构件是 形成在导电构件上的电介质层被用作调节构件,以将电介质层压在显影剂承载构件上:t /ε= 10(1)其中t(μm)是电介质层的厚度,ε 是介电层的相对介电常数。