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1. 发明申请

US20080008483A1 Image-Forming Device 有权
标题翻译：图像形成装置
公开(公告)号：US20080008483A1
公开(公告)日：2008-01-10
申请号：US11773844
申请日：2007-07-05
申请人： Masahito HAMAYA , Hiroyuki NAGANAWA , Katsumi INUKAI , Kazushi FUKUTA
发明人： Masahito HAMAYA , Hiroyuki NAGANAWA , Katsumi INUKAI , Kazushi FUKUTA
IPC分类号： G03G15/00
CPC分类号： G03G15/166 , G03G2215/0119
摘要： An image-forming device has a housing, a cleaning unit, a toner detection unit, and a control unit. The cleaning target member is provided in the housing. The cleaning unit applies a predetermined voltage to the cleaning target member to remove toner from the cleaning target member through an electrostatic force. The predetermined voltage has a predetermined absolute value. The toner detection unit detects an amount of toner on the cleaning target member at least twice. The detected amount of toner includes a first amount of toner and a second amount of toner. The first amount of toner is detected when a first voltage having a first absolute value is applied as the predetermined voltage at a first time,. The second amount of toner is detected when a second voltage having a second absolute value is applied as the predetermined voltage at a second time. The second time is later than the first time. The control unit determines the predetermined absolute value on the basis of the first amount of toner and the second amount of toner.
摘要翻译：图像形成装置具有壳体，清洁单元，调色剂检测单元和控制单元。清洁目标构件设置在壳体中。清洁单元将预定电压施加到清洁目标构件，以通过静电力从清洁目标构件去除调色剂。预定电压具有预定的绝对值。调色剂检测单元至少检测清洁目标构件上的调色剂量。检测到的调色剂量包括第一量的调色剂和第二量的调色剂。当第一次施加具有第一绝对值的第一电压作为预定电压时，检测第一量的调色剂。当第二次施加具有第二绝对值的第二电压作为预定电压时，检测第二量的调色剂。第二次比第一次晚。控制单元基于调色剂的第一量和第二量的调色剂来确定预定的绝对值。

2. 发明申请

US20080056743A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20080056743A1
公开(公告)日：2008-03-06
申请号：US11848434
申请日：2007-08-31
申请人： Tsunemitsu FUKAMI , Kazushi FUKUTA
发明人： Tsunemitsu FUKAMI , Kazushi FUKUTA
IPC分类号： G03G15/00
CPC分类号： G03G21/203 , G03G15/161 , G03G2221/0005
摘要： The present invention provides an image forming apparatus including a belt, a cleaning roller opposed to a surface of the belt, a voltage generating circuit generating a voltage applied to the cleaning roller, a voltage value detecting circuit detecting a voltage value applied to the cleaning roller, a control unit controlling the voltage generating circuit by inputting a control signal to the voltage generating circuit such that the voltage value detected by the voltage value detecting circuit is set to the same value as a target voltage value, and a target voltage value setting section setting the target voltage value based on a duty of the control signal input from the control unit to the voltage generating circuit.
摘要翻译：本发明提供了一种图像形成装置，包括：带，与该带的表面相对的清洁辊，产生施加到清洁辊的电压的电压产生电路;电压值检测电路，检测施加到清洁辊的电压值控制单元，通过向电压产生电路输入控制信号来控制电压产生电路，使得由电压值检测电路检测的电压值被设置为与目标电压值相同的值，目标电压值设定部分基于从控制单元输入到电压产生电路的控制信号的占空比来设定目标电压值。

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