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1. 发明授权

US08948644B2 Power supply module and image forming apparatus including same 有权
标题翻译：电源模块和包括它的成像设备
公开(公告)号：US08948644B2
公开(公告)日：2015-02-03
申请号：US13472743
申请日：2012-05-16
申请人： Junpei Fujita , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
发明人： Junpei Fujita , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/1645 , G03G15/50
摘要： An image forming apparatus includes an image bearing member to bear a toner image on a surface thereof, a transfer unit including a transfer device to transfer the toner image onto a recording medium, disposed opposite the image bearing member, a direct current (DC) power source to apply, between the image bearing member and the transfer device, a DC bias to form a first transfer electric field to transfer the toner image onto the recording medium, and a power supply module detachably attachable relative to the image forming apparatus. The power supply module includes an AC-DC superimposed bias power source to apply, between the image bearing member and the transfer device, a superimposed bias in which an alternating voltage is superimposed on a DC voltage to form a second transfer electric field to transfer the toner image onto the recording medium.
摘要翻译：图像形成装置包括在其表面上承载调色剂图像的图像承载部件，转印单元，包括转印装置，用于将调色剂图像转印到与图像承载部件相对的记录介质上，直流（DC）功率在图像承载部件和转印装置之间施加直流偏压以形成第一转印电场以将调色剂图像转印到记录介质上，以及相对于图像形成装置可拆卸地安装的电源模块。电源模块包括AC-DC叠加偏置电源，以在图像承载部件和转印装置之间施加叠加的偏压，其中交替电压叠加在DC电压上以形成第二转印电场，以将调色剂图像到记录介质上。

2. 发明授权

US09864307B2 Image forming apparatus with a controller to set transfer bias 有权
公开(公告)号：US09864307B2
公开(公告)日：2018-01-09
申请号：US15076031
申请日：2016-03-21
申请人： Kenji Sengoku , Hiromi Ogiyama , Hiroyoshi Haga , Tomokazu Takeuchi , Yasunobu Shimizu , Junpei Fujita
发明人： Kenji Sengoku , Hiromi Ogiyama , Hiroyoshi Haga , Tomokazu Takeuchi , Yasunobu Shimizu , Junpei Fujita
IPC分类号： G03G15/16 , G03G15/02 , G03G15/01
CPC分类号： G03G15/1665 , G03G15/0189 , G03G15/0266 , G03G2215/0129
摘要： An image forming apparatus includes an image bearing member to bear a toner image charged with a predetermined polarity, and a power source to apply a bias to a transfer portion to transfer the toner image from the image bearing member to a recording medium, a polarity of the bias being changed alternately. The toner image formed with toner of a plurality of colors is transferred in a color mode and the toner image formed with toner of a single color is transferred in a monochrome mode. The bias includes a peak voltage with a polarity that returns toner from the recording medium to the image bearing member. An absolute value of the peak voltage in the color mode is equal to or greater than an absolute value of the peak voltage in the monochrome mode.

3. 发明授权

US08929786B2 Image forming apparatus, system, and method using a superimposed voltage signal and a direct voltage signal 有权
标题翻译：使用叠加电压信号和直流电压信号的图像形成装置，系统和方法
公开(公告)号：US08929786B2
公开(公告)日：2015-01-06
申请号：US13526894
申请日：2012-06-19
申请人： Tomokazu Takeuchi , Hiroyoshi Haga , Yasunobu Shimizu , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita , Shinya Tanaka
发明人： Tomokazu Takeuchi , Hiroyoshi Haga , Yasunobu Shimizu , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita , Shinya Tanaka
IPC分类号： G03G15/20 , G03G15/16
CPC分类号： G03G15/1675 , G03G2215/0129
摘要： An image forming apparatus includes a transfer unit configured to transfer a toner image onto a recording medium; a power supply unit configured to apply one of a superimposed voltage in which an alternating-current voltage and a first direct-current voltage are superimposed and a second direct-current voltage to the transfer unit; and a power supply control configured to, when the power supply unit outputs the superimposed voltage, instruct the power supply unit to output the first direct-current voltage at a first timing, and, when the power-supply unit outputs the second direct-current voltage, instruct the power-supply unit to output the second direct-current voltage at a second timing which is later than the first timing.
摘要翻译：图像形成装置包括被配置为将调色剂图像转印到记录介质上的转印单元; 电源单元，被配置为将交替电压和第一直流电压叠加的叠加电压和第二直流电压中的一个施加到所述转移单元; 以及电源控制，其被配置为当所述电源单元输出叠加的电压时，指示所述电源单元在第一定时输出所述第一直流电压，并且当所述电源单元输出所述第二直流电指示电源单元在比第一定时晚的第二定时输出第二直流电压。

4. 发明申请

US20120328321A1 IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND TRANSFER METHOD 有权
标题翻译：图像形成装置，图像形成系统和传送方法
公开(公告)号：US20120328321A1
公开(公告)日：2012-12-27
申请号：US13526894
申请日：2012-06-19
申请人： Tomokazu TAKEUCHI , Hiroyoshi Haga , Yasunobu Shimizu , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita , Shinya Tanaka
发明人： Tomokazu TAKEUCHI , Hiroyoshi Haga , Yasunobu Shimizu , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita , Shinya Tanaka
IPC分类号： G03G15/00
CPC分类号： G03G15/1675 , G03G2215/0129
摘要： An image forming apparatus includes a transfer unit configured to transfer a toner image onto a recording medium; a power supply unit configured to apply one of a superimposed voltage in which an alternating-current voltage and a first direct-current voltage are superimposed and a second direct-current voltage to the transfer unit; and a power supply control configured to, when the power supply unit outputs the superimposed voltage, instruct the power supply unit to output the first direct-current voltage at a first timing, and, when the power-supply unit outputs the second direct-current voltage, instruct the power-supply unit to output the second direct-current voltage at a second timing which is later than the first timing.
摘要翻译：图像形成装置包括被配置为将调色剂图像转印到记录介质上的转印单元; 电源单元，被配置为将交替电压和第一直流电压叠加的叠加电压和第二直流电压中的一个施加到所述转移单元; 以及电源控制，其被配置为当所述电源单元输出叠加的电压时，指示所述电源单元在第一定时输出所述第一直流电压，并且当所述电源单元输出所述第二直流电指示电源单元在比第一定时晚的第二定时输出第二直流电压。

5. 发明申请

US20120328320A1 POWER SUPPLY MODULE AND IMAGE FORMING APPARATUS INCLUDING SAME 有权
标题翻译：电源模块和图像形成装置，包括它们
公开(公告)号：US20120328320A1
公开(公告)日：2012-12-27
申请号：US13472743
申请日：2012-05-16
申请人： Junpei Fujita , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
发明人： Junpei Fujita , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
IPC分类号： G03G15/00
CPC分类号： G03G15/1645 , G03G15/50
摘要： An image forming apparatus includes an image bearing member to bear a toner image on a surface thereof, a transfer unit including a transfer device to transfer the toner image onto a recording medium, disposed opposite the image bearing member, a direct current (DC) power source to apply, between the image bearing member and the transfer device, a DC bias to form a first transfer electric field to transfer the toner image onto the recording medium, and a power supply module detachably attachable relative to the image forming apparatus. The power supply module includes an AC-DC superimposed bias power source to apply, between the image bearing member and the transfer device, a superimposed bias in which an alternating voltage is superimposed on a DC voltage to form a second transfer electric field to transfer the toner image onto the recording medium.
摘要翻译：图像形成装置包括在其表面上承载调色剂图像的图像承载部件，转印单元，包括转印装置，用于将调色剂图像转印到与图像承载部件相对的记录介质上，直流（DC）功率在图像承载部件和转印装置之间施加直流偏压以形成第一转印电场以将调色剂图像转印到记录介质上，以及相对于图像形成装置可拆卸地安装的电源模块。电源模块包括AC-DC叠加偏置电源，以在图像承载部件和转印装置之间施加叠加的偏压，其中交替电压叠加在DC电压上以形成第二转印电场，以将调色剂图像到记录介质上。

6. 发明申请

US20120315058A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20120315058A1
公开(公告)日：2012-12-13
申请号：US13485151
申请日：2012-05-31
申请人： Yasunobu Shimizu , Hiroyoshi Haga , Tomokazu Takeuchi , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita
发明人： Yasunobu Shimizu , Hiroyoshi Haga , Tomokazu Takeuchi , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita
IPC分类号： G03G15/16
CPC分类号： G03G15/1605 , G03G15/1645
摘要： An image forming apparatus includes an image carrier; a facing member facing the image carrier via a transfer position; a power supply to output a voltage between a first position on the image carrier side and a second position on the facing member side; a resistance detector to detect electrical resistance between the first position and the second position via the transfer position; and a controller to switch between a first transfer mode in which the power supply outputs a direct current voltage, and a second transfer mode in which the power supply outputs a superimposed voltage. When a toner image on the image carrier is transferred onto a recording medium at the transfer position, the controller selects either the first transfer mode or the second transfer mode. When the resistance detector detects the electrical resistance, the controller selects the first transfer mode.
摘要翻译：图像形成装置包括图像载体; 经由转印位置面向图像载体的面对构件; 电源，用于在图像载体侧的第一位置和面对构件侧的第二位置之间输出电压; 电阻检测器，用于经由所述传送位置检测所述第一位置和所述第二位置之间的电阻; 以及控制器，用于在电源输出直流电压的第一传送模式与电源输出叠加电压的第二传送模式之间切换。当图像载体上的调色剂图像在转印位置转印到记录介质上时，控制器选择第一转印模式或第二转印模式。当电阻检测器检测到电阻时，控制器选择第一个传输模式。

7. 发明授权

US09057991B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09057991B2
公开(公告)日：2015-06-16
申请号：US13485151
申请日：2012-05-31
申请人： Yasunobu Shimizu , Hiroyoshi Haga , Tomokazu Takeuchi , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita
发明人： Yasunobu Shimizu , Hiroyoshi Haga , Tomokazu Takeuchi , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita
IPC分类号： G03G15/16
CPC分类号： G03G15/1605 , G03G15/1645
摘要： An image forming apparatus includes an image carrier; a facing member facing the image carrier via a transfer position; a power supply to output a voltage between a first position on the image carrier side and a second position on the facing member side; a resistance detector to detect electrical resistance between the first position and the second position via the transfer position; and a controller to switch between a first transfer mode in which the power supply outputs a direct current voltage, and a second transfer mode in which the power supply outputs a superimposed voltage. When a toner image on the image carrier is transferred onto a recording medium at the transfer position, the controller selects either the first transfer mode or the second transfer mode. When the resistance detector detects the electrical resistance, the controller selects the first transfer mode.
摘要翻译：图像形成装置包括图像载体; 经由转印位置面向图像载体的面对构件; 电源，用于在图像载体侧的第一位置和面对构件侧的第二位置之间输出电压; 电阻检测器，用于经由所述传送位置检测所述第一位置和所述第二位置之间的电阻; 以及控制器，用于在电源输出直流电压的第一传送模式与电源输出叠加电压的第二传送模式之间切换。当图像载体上的调色剂图像在转印位置转印到记录介质上时，控制器选择第一转印模式或第二转印模式。当电阻检测器检测到电阻时，控制器选择第一个传输模式。

8. 发明申请

US20130016989A1 POWER SUPPLY MODULE AND IMAGE FORMING APPARATUS INCLUDING SAME 有权
标题翻译：电源模块和图像形成装置，包括它们
公开(公告)号：US20130016989A1
公开(公告)日：2013-01-17
申请号：US13527153
申请日：2012-06-19
申请人： Junpei FUJITA , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
发明人： Junpei FUJITA , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
IPC分类号： G03G15/00
CPC分类号： G03G15/00 , G03G15/1605 , G03G15/1675
摘要： An image forming apparatus includes an image bearing member, a transfer unit, a control circuit board, and a power supply module detachably attachable relative to the image forming apparatus. The image bearing member bears a toner image on a surface thereof. The transfer unit includes a transfer device to transfer the toner image onto a recording medium and is disposed opposite the image bearing member. The control circuit board controls the transfer unit. The power supply module is disposed in the transfer unit and includes a power source to apply, between the image bearing member and the transfer device, an AC-DC superimposed bias in which an alternating voltage (AC) is superimposed on a direct current (DC) voltage to form a transfer electric field to transfer the toner image from the image bearing member onto the recording medium.
摘要翻译：图像形成装置包括图像承载部件，转印单元，控制电路板以及相对于图像形成装置可拆卸地安装的电源模块。图像承载部件在其表面上承载调色剂图像。转印单元包括将调色剂图像转印到记录介质上并与图像承载部件相对设置的转印装置。控制电路板控制传送单元。电源模块设置在传送单元中，并且包括在图像承载部件和传送装置之间施加AC-DC叠加偏压的电源，其中交流电压（AC）叠加在直流电（DC）上）电压以形成转印电场，以将调色剂图像从图像承载部件转印到记录介质上。

9. 发明授权

US09031436B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09031436B2
公开(公告)日：2015-05-12
申请号：US13477724
申请日：2012-05-22
申请人： Yasunobu Shimizu , Hiroyoshi Haga , Tomokazu Takeuchi , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita
发明人： Yasunobu Shimizu , Hiroyoshi Haga , Tomokazu Takeuchi , Hiromi Ogiyama , Kenji Sengoku , Junpei Fujita
IPC分类号： G03G15/16
CPC分类号： G03G15/1645 , G03G2215/0129
摘要： An image forming apparatus, includes an image bearer to bear a toner image; a transfer member to transfer the toner image; a transfer bias applicator to apply a transfer bias to the transfer member, the transfer bias applicator including a direct current voltage source to apply a direct current transfer bias constituted by a direct current voltage to the transfer member; and a superimposed voltage source to apply a superimposed transfer bias in which an alternating current voltage is superimposed on a direct current voltage to the transfer member; and a controller to switch between a direct current transfer mode during which the direct current transfer bias is applied to transfer the toner image and a superimposed transfer mode during which the superimposed transfer bias is applied to transfer the toner image while the direct current voltage source and the superimposed voltage source are off.
摘要翻译：一种图像形成装置，包括承载调色剂图像的图像载体; 转印构件以转印调色剂图像; 转印偏压施加器，用于向转印部件施加转印偏压，转印偏压施加器包括直流电压源，以将由直流电压构成的直流转印偏压施加到转印部件; 以及叠加电压源，以将叠加的转印偏压施加到转印部件的直流电压上; 以及控制器，用于在施加直流传递偏压以转印调色剂图像的直流传输模式和施加叠加的转印偏压以在直流电压源和叠加的电压源关闭。

10. 发明授权

US08891996B2 Power supply module and image forming apparatus including same 有权
标题翻译：电源模块和包括它的图像形成装置
公开(公告)号：US08891996B2
公开(公告)日：2014-11-18
申请号：US13527153
申请日：2012-06-19
申请人： Junpei Fujita , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
发明人： Junpei Fujita , Tomokazu Takeuchi , Hiroyoshi Haga , Hiromi Ogiyama , Yasunobu Shimizu , Kenji Sengoku
IPC分类号： G03G15/00
CPC分类号： G03G15/00 , G03G15/1605 , G03G15/1675
摘要： An image forming apparatus includes an image bearing member, a transfer unit, a control circuit board, and a power supply module detachably attachable relative to the image forming apparatus. The image bearing member bears a toner image on a surface thereof. The transfer unit includes a transfer device to transfer the toner image onto a recording medium and is disposed opposite the image bearing member. The control circuit board controls the transfer unit. The power supply module is disposed in the transfer unit and includes a power source to apply, between the image bearing member and the transfer device, an AC-DC superimposed bias in which an alternating voltage (AC) is superimposed on a direct current (DC) voltage to form a transfer electric field to transfer the toner image from the image bearing member onto the recording medium.
摘要翻译：图像形成装置包括图像承载部件，转印单元，控制电路板以及相对于图像形成装置可拆卸地安装的电源模块。图像承载部件在其表面上承载调色剂图像。转印单元包括将调色剂图像转印到记录介质上并与图像承载部件相对设置的转印装置。控制电路板控制传送单元。电源模块设置在传送单元中，并且包括在图像承载部件和传送装置之间施加AC-DC叠加偏压的电源，其中交流电压（AC）叠加在直流电（DC）上）电压以形成转印电场，以将调色剂图像从图像承载部件转印到记录介质上。

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