公开(公告)号：US20070189788A1

公开(公告)日：2007-08-16

申请号：US11652003

申请日：2007-01-11

申请人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

发明人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

IPC分类号： G03G15/00 ,  G03G15/02

CPC分类号： G03G15/0275 ,  G03G15/5033 ,  G03G2215/021

摘要： An image forming apparatus includes a photoreceptor having on a surface thereof a photosensitive layer, in which an electrostatic latent image is formed, a contact charging roll applied with a bias containing a direct current component having superimposed thereon an alternating current component, the contact charging roll charging the photoreceptor to a predetermined potential, a film thickness detecting unit detecting a film thickness of the photosensitive layer of the photoreceptor, an environment detecting unit detecting environment, and a contact area changing unit changing a contact area between the contact charging roll and the photoreceptor based on detected results of the film thickness detecting unit and the environment detecting unit.

摘要翻译： 一种图像形成装置，包括：感光体，其表面上形成有静电潜像的感光层;施加偏压的接触充电辊，其中包含叠加有交流分量的直流分量;接触充电辊 将感光体充电至预定电位，检测感光体感光层的膜厚度的膜厚检测单元，环境检测单元检测环境以及改变接触充电辊和感光体之间的接触面积的接触面积改变单元 基于膜厚检测单元和环境检测单元的检测结果。

公开(公告)号：US20070189787A1

公开(公告)日：2007-08-16

申请号：US11541550

申请日：2006-10-03

申请人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

发明人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

IPC分类号： G03G15/00 ,  G03G15/02

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： An image formation apparatus includes: a photoconductor that has a photoconductive layer having a surface on which an electrostatic latent image is formed; a charging roll to which a bias with an AC component superposed on a DC component is applied for charging the photoconductor at a predetermined potential; a film thickness detector that detects a film thickness of the photoconductive layer of the photoconductor without applying the AC component; an environment measuring section that measures at least one of ambient temperature and humidity; an AC component setting section that sets a value of the AC component of the bias based on detection results of the film thickness detector and the environment measuring section; and a charging controller that controls at least one of voltage and current applied to the charging roll based on the value of the AC component set by the AC component setting section.

摘要翻译： 图像形成装置包括：光电导体，其具有其上形成有静电潜像的表面的光电导层; 充电辊，其中施加了叠加在DC分量上的AC分量的偏压，以将预定电位的感光体充电; 膜厚检测器，其不施加AC分量来检测光电导体的光电导层的膜厚度; 环境测量部分，其测量环境温度和湿度中的至少一个; 交流分量设定部，其基于所述膜厚检测器和所述环境测量部的检测结果来设定所述偏压的交流分量的值; 以及充电控制器，其基于由所述AC分量设定部设定的所述AC分量的值，控制施加到所述充电辊的电压和电流中的至少一个。

公开(公告)号：US07532832B2

公开(公告)日：2009-05-12

申请号：US11652003

申请日：2007-01-11

申请人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

发明人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

IPC分类号： G03G15/00 ,  G03G15/02

CPC分类号： G03G15/0275 ,  G03G15/5033 ,  G03G2215/021

摘要： An image forming apparatus includes a photoreceptor having on a surface thereof a photosensitive layer, in which an electrostatic latent image is formed, a contact charging roll applied with a bias containing a direct current component having superimposed thereon an alternating current component, the contact charging roll charging the photoreceptor to a predetermined potential, a film thickness detecting unit detecting a film thickness of the photosensitive layer of the photoreceptor, an environment detecting unit detecting environment, and a contact area changing unit changing a contact area between the contact charging roll and the photoreceptor based on detected results of the film thickness detecting unit and the environment detecting unit.

摘要翻译： 一种图像形成装置，包括：感光体，其表面上形成有静电潜像的感光层;施加偏压的接触充电辊，其中包含叠加有交流分量的直流分量;接触充电辊 将感光体充电至预定电位，检测感光体感光层的膜厚度的膜厚检测单元，环境检测单元检测环境以及改变接触充电辊和感光体之间的接触面积的接触面积改变单元 基于膜厚检测单元和环境检测单元的检测结果。

公开(公告)号：US07764888B2

公开(公告)日：2010-07-27

申请号：US11541550

申请日：2006-10-03

申请人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

发明人： Takuro Hagiwara ,  Yoshihisa Kitano ,  Osamu Handa

IPC分类号： G03G15/00 ,  G03G15/02

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： An image formation apparatus includes: a photoconductor that has a photoconductive layer having a surface on which an electrostatic latent image is formed; a charging roll to which a bias with an AC component superposed on a DC component is applied for charging the photoconductor at a predetermined potential; a film thickness detector that detects a film thickness of the photoconductive layer of the photoconductor without applying the AC component; an environment measuring section that measures at least one of ambient temperature and humidity; an AC component setting section that sets a value of the AC component of the bias based on detection results of the film thickness detector and the environment measuring section; and a charging controller that controls at least one of voltage and current applied to the charging roll based on the value of the AC component set by the AC component setting section.

摘要翻译： 图像形成装置包括：光电导体，其具有其上形成有静电潜像的表面的光电导层; 充电辊，其中施加了叠加在DC分量上的AC分量的偏压，以将预定电位的感光体充电; 膜厚检测器，其不施加AC分量来检测光电导体的光电导层的膜厚度; 环境测量部分，其测量环境温度和湿度中的至少一个; 交流分量设定部，其基于所述膜厚检测器和所述环境测量部的检测结果来设定所述偏压的交流分量的值; 以及充电控制器，其基于由所述AC分量设定部设定的所述AC分量的值，控制施加到所述充电辊的电压和电流中的至少一个。

公开(公告)号：US07634206B2

公开(公告)日：2009-12-15

申请号：US11657568

申请日：2007-01-25

申请人： Takuro Hagiwara ,  Akihiro Ida ,  Yoshihisa Kitano

发明人： Takuro Hagiwara ,  Akihiro Ida ,  Yoshihisa Kitano

IPC分类号： G03G15/00

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： A charging device includes a charging member disposed so as to rotate in contact with a surface of an image carrier to charge the image carrier surface, a bias voltage applying unit that applies a bias voltage to the charging member, the bias voltage having an AC voltage superimposed on a DC voltage, a DC current detector that detects a DC current flowing between the image carrier and the charging member, a filter that extracts only a specific component from the DC current detected by the DC current detector, and a controller that controls at least one of an AC voltage and an AC current to be applied to the charging member in accordance with an amount of variation of the specific component extracted from the DC current by the filter.

摘要翻译： 充电装置包括：充电部件，其设置成与图像载体的表面接触旋转以对图像载体表面进行充电;偏置电压施加单元，其向充电部件施加偏置电压;偏置电压具有AC电压 叠加在DC电压上的直流电流检测器，检测在图像载体和充电部件之间流动的直流电流的直流电流检测器，从直流电流检测器检测到的直流电流中仅提取特定成分的滤波器，以及控制器 根据由过滤器从直流电流提取的特定成分的变化量，向充电部件施加交流电压和交流电流中的至少一个。

公开(公告)号：US20080101809A1

公开(公告)日：2008-05-01

申请号：US11802355

申请日：2007-05-22

申请人： Akihiro Ida ,  Yoshihisa Kitano ,  Takuro Hagiwara ,  Hideki Moriya ,  Chikaho Ikeda ,  Hidehiko Yamaguchi ,  Masao Ohmori

发明人： Akihiro Ida ,  Yoshihisa Kitano ,  Takuro Hagiwara ,  Hideki Moriya ,  Chikaho Ikeda ,  Hidehiko Yamaguchi ,  Masao Ohmori

IPC分类号： G03G15/02

CPC分类号： G03G15/0266

摘要： A charging device includes a charging member that charges a body to be charged; a detector that detects an AC component of a current flowing through the charging member; an integration section that integrates the AC component of the current detected by the detector; a controller that controls the current flowing through the charging member, according to a result of integration executed by the integration section; a periodic signal generating section that generates a periodic signal having a cycle period corresponding to a cycle period of the AC component; and an integration period adjusting section that adjusts a period of integration executed by the integration section, with reference to the periodic signal.

摘要翻译： 充电装置包括对要充电的身体充电的充电构件; 检测器，其检测流过所述充电部件的电流的AC分量; 积分部，其对由检测器检测出的电流的AC分量进行积分; 根据集成部执行的积分的结果，控制流过充电部件的电流的控制器; 周期信号生成部，其生成周期信号，所述周期信号具有对应于所述AC分量的周期的循环周期; 以及积分周期调整部，其参照周期信号调整由积分部执行的积分期间。

公开(公告)号：US07542689B2

公开(公告)日：2009-06-02

申请号：US11802355

申请日：2007-05-22

申请人： Akihiro Ida ,  Yoshihisa Kitano ,  Takuro Hagiwara ,  Hideki Moriya ,  Chikaho Ikeda ,  Hidehiko Yamaguchi ,  Masao Ohmori

发明人： Akihiro Ida ,  Yoshihisa Kitano ,  Takuro Hagiwara ,  Hideki Moriya ,  Chikaho Ikeda ,  Hidehiko Yamaguchi ,  Masao Ohmori

IPC分类号： G03G15/02

CPC分类号： G03G15/0266

摘要： A charging device includes a charging member that charges a body to be charged; a detector that detects an AC component of a current flowing through the charging member; an integration section that integrates the AC component of the current detected by the detector; a controller that controls the current flowing through the charging member, according to a result of integration executed by the integration section; a periodic signal generating section that generates a periodic signal having a cycle period corresponding to a cycle period of the AC component; and an integration period adjusting section that adjusts a period of integration executed by the integration section, with reference to the periodic signal.

摘要翻译： 充电装置包括对要充电的身体充电的充电构件; 检测器，其检测流过所述充电部件的电流的AC分量; 积分部，其对由检测器检测出的电流的AC分量进行积分; 根据集成部执行的积分的结果，控制流过充电部件的电流的控制器; 周期信号生成部，其生成周期信号，所述周期信号具有对应于所述AC分量的周期的循环周期; 以及积分周期调整部，其参照周期信号调整由积分部执行的积分期间。

公开(公告)号：US20070297819A1

公开(公告)日：2007-12-27

申请号：US11657568

申请日：2007-01-25

申请人： Takuro Hagiwara ,  Akihiro Ida ,  Yoshihisa Kitano

发明人： Takuro Hagiwara ,  Akihiro Ida ,  Yoshihisa Kitano

IPC分类号： G03G15/00 ,  G03G15/02

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： A charging device includes a charging member disposed so as to rotate in contact with a surface of an image carrier to charge the image carrier surface, a bias voltage applying unit that applies a bias voltage to the charging member, the bias voltage having an AC voltage superimposed on a DC voltage, a DC current detector that detects a DC current flowing between the image carrier and the charging member, a filter that extracts only a specific component from the DC current detected by the DC current detector, and a controller that controls at least one of an AC voltage and an AC current to be applied to the charging member in accordance with an amount of variation of the specific component extracted from the DC current by the filter.

摘要翻译： 充电装置包括：充电部件，其设置成与图像载体的表面接触旋转以对图像载体表面进行充电;偏置电压施加单元，其向充电部件施加偏置电压;偏置电压具有AC电压 叠加在DC电压上的直流电流检测器，检测在图像载体和充电部件之间流动的直流电流的直流电流检测器，从直流电流检测器检测到的直流电流中仅提取特定成分的滤波器，以及控制器 根据由过滤器从直流电流提取的特定成分的变化量，向充电部件施加交流电压和交流电流中的至少一个。

公开(公告)号：US08249475B2

公开(公告)日：2012-08-21

申请号：US12701886

申请日：2010-02-08

申请人： Takuro Hagiwara

发明人： Takuro Hagiwara

IPC分类号： G03G15/02

CPC分类号： G03G15/0266

摘要： A charging device includes: a charging member that faces an image carrier and charges a surface of the image carrier; a charging voltage controller that controls a charging voltage to be applied to the charging member when the surface of the image carrier is to be charged, and applies the charging voltage obtained by superposing an AC voltage which is subjected to constant-current control on a DC voltage; a variation range detector that detects a variation range of the AC voltage which changes according to the characteristic change of the charging member; and a response speed controller that reduces a response speed for the variation of the AC voltage in correspondence with the characteristic change when the variation range is larger than a predetermined set value.

摘要翻译： 充电装置包括：充电构件，其面向图像载体并对图像载体的表面充电; 充电电压控制器，当要对图像载体的表面进行充电时，控制对充电构件施加的充电电压，并将通过将经过恒流控制的AC电压叠加得到的充电电压施加到DC 电压; 变化范围检测器，其检测根据所述充电部件的特性变化而变化的所述交流电压的变化范围; 以及响应速度控制器，当变化范围大于预定设定值时，响应于与特性变化相对应的交流电压变化的响应速度降低。

公开(公告)号：US08515304B2

公开(公告)日：2013-08-20

申请号：US12873603

申请日：2010-09-01

申请人： Takuro Hagiwara ,  Masaaki Yamaura

发明人： Takuro Hagiwara ,  Masaaki Yamaura

IPC分类号： G03G21/00

CPC分类号： G03G15/0225

摘要： The present invention provides a cleaning member for an image forming apparatus, including: an axle; and a belt-like elastic medium that is wound on the outer circumferential surface of the axle in a spiral shape and that includes a first edge portion in at least one of both ends in the width direction thereof and a second edge portion coming in contact with a surface to be cleaned at an angle different from that of the first edge portion.

摘要翻译： 本发明提供一种用于图像形成装置的清洁部件，包括：轴; 以及卷绕在所述轴的外周面上的螺旋状的带状弹性介质，所述带状弹性介质包括在其宽度方向的两端中的至少一个中的第一边缘部和与所述第二边缘部相接触的第二边缘部 以与第一边缘部分不同的角度清洁的表面。