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2. 发明公开

EP0661607A1 Developing apparatus using blank pulse bias 失效
标题翻译： Entwicklungsgerätmit schleierfreier Impulspolarisation。
公开(公告)号：EP0661607A1
公开(公告)日：1995-07-05
申请号：EP94120810.0
申请日：1994-12-28
申请人： CANON KABUSHIKI KAISHA
发明人： Sakemi, Yuji, c/o Canon K. K. , Anemiya, Koji, c/o Canon K. K. , Menjo, Takeshi, c/o Canon K. K. , Inoue, Masahiro, c/o Canon K. K. , Izumizaki, Masami, c/o Canon K.K.
IPC分类号： G03G15/06 , G03G15/09
CPC分类号： G03G15/065 , G03G15/0907
摘要： An image forming apparatus includes an image bearing member for bearing an electrostatic image; a developer carrying member, opposed to the image bearing member, for carrying a developer containing toner; bias voltage applying device for applying a developing bias voltage to the developer carrying member, the bias voltage satisfying:

T1 |V2-V1| ¯ ,
T3 > (133d²/T2|V2-V2|) - 1/2T2

V1 (V): a voltage applying to the toner toward the developer carrying member away from the image bearing member;
T1: a time period of application of the voltage V1;
V2 (V): a voltage applying force to the toner away from the developer carrying member toward the image bearing member;
T2: a time period of application of the voltage V2;
T3 (Ω): a time period of application of a voltage V3 which is (V1+V2)/2 ;
d (m): distance between the image bearing member and the developer carrying member.
摘要翻译：图像形成装置包括用于承载静电图像的图像承载部件; 显影剂承载构件，与图像承载构件相对，用于承载含有调色剂的显影剂; 偏置电压施加装置，用于向显影剂承载构件施加显影偏压，偏压满足：T1 <8.94d / 2ROOT | V2-V1|，T3>（133d2 /T2‖V2-V2‖）-1 / 2T2 V1（V）：施加到朝着显影剂承载构件的调色剂远离图像承载部件的电压; T1：施加电压V1的时间段; V2（V）：向显影剂承载构件朝着图像承载部件向调色剂施加电压; T2：施加电压V2的时间段; T3（OMEGA）：施加（V1 + V2）/ 2的电压V3的时间段; d（m）：图像承载部件和显影剂承载部件之间的距离。

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