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1. 发明授权

US08862004B2 Image forming apparatus including chargers and a current detecing unit that detects a sum of currents of the chargers 有权
标题翻译：图像形成装置包括充电器和检测充电器的电流之和的电流检测单元
公开(公告)号：US08862004B2
公开(公告)日：2014-10-14
申请号：US13194075
申请日：2011-07-29
申请人： Tsuyoshi Maruyama , Masahito Hamaya , Katsumi Inukai
发明人： Tsuyoshi Maruyama , Masahito Hamaya , Katsumi Inukai
IPC分类号： G03G15/02 , G03G15/01
CPC分类号： G03G15/0283 , G03G15/0194
摘要： An image forming apparatus, includes: at least one photosensitive element; a plurality of chargers configured to charge the at least one photosensitive element; a voltage applying circuit commonly connected to the plurality of chargers and configured to apply a voltage to the plurality of chargers; a current detecting unit configured to detect a current sum of current that flows to the plurality of chargers from the voltage applying circuit; and a control device configured to control the voltage applying circuit so that the current sum detected by the current detecting unit becomes equal to or larger than a reference value.
摘要翻译：一种图像形成装置，包括：至少一个感光元件; 配置成对所述至少一个感光元件充电的多个充电器; 电压施加电路，公共连接到所述多个充电器并且被配置为向所述多个充电器施加电压; 电流检测单元，被配置为从所述电压施加电路检测流向所述多个充电器的电流的电流和; 以及控制装置，被配置为控制电压施加电路，使得由电流检测单元检测的电流总和变为等于或大于参考值。

2. 发明授权

US08594521B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08594521B2
公开(公告)日：2013-11-26
申请号：US13071954
申请日：2011-03-25
申请人： Tsuyoshi Maruyama , Masahito Hamaya , Katsumi Inukai
发明人： Tsuyoshi Maruyama , Masahito Hamaya , Katsumi Inukai
IPC分类号： G03G15/02
CPC分类号： G03G15/0291 , G03G2215/027
摘要： An image forming apparatus including: a plurality of photosensitive drums; a plurality of scorotron chargers provided for the plurality of photosensitive drums, respectively, a voltage application circuit commonly connected to the plurality of scorotron chargers, a plurality of wires provided for the plurality of scorotron chargers, respectively; a plurality of grid electrodes provided for the plurality of scorotron chargers, respectively; at least one of current detecting units provided for at least one of the plurality of grid electrodes, respectively, and at least one of the current detecting units detecting grid current which flows into at least one of the grid electrodes, respectively; and a control device configured to control the voltage application circuit such that at least one of the grid currents detected by at least one of the current detecting units become equal to or higher than a reference value.
摘要翻译：一种图像形成装置，包括：多个感光鼓; 分别为多个感光鼓设置的多个烧烤炉充电器，分别与多个烤火炉充电器共同连接的电压施加电路，分别为多个烤火炉充电器提供的多根电线; 多个栅极，分别设置在多个烤火炉充电器上; 至少一个电流检测单元分别为所述多个栅格电极中的至少一个提供，并且所述电流检测单元中的至少一个分别检测流入至少一个栅格电极的栅格电流; 以及控制装置，被配置为控制所述电压施加电路，使得由所述电流检测单元中的至少一个检测到的电网电流中的至少一个变为等于或高于参考值。

3. 发明授权

US08391728B2 Image forming apparatus and voltage applying device comprising a control unit for controlling another control unit when the other control unit is abnormally restarted 有权
标题翻译：图像形成装置和电压施加装置包括控制单元，用于当另一个控制单元异常重启时用于控制另一个控制单元
公开(公告)号：US08391728B2
公开(公告)日：2013-03-05
申请号：US12727757
申请日：2010-03-19
申请人： Tsuyoshi Maruyama , Masahito Hamaya , Katsumi Inukai
发明人： Tsuyoshi Maruyama , Masahito Hamaya , Katsumi Inukai
IPC分类号： G03G15/00
CPC分类号： G03G15/0283 , G03G15/5004
摘要： An image forming apparatus includes a voltage applying unit for applying a voltage to an electric load; a sub control unit for controlling the voltage applying unit; a restarting unit for restarting the sub control unit in response to receipt of a restart signal; a determining unit for determining whether or not a restart of the sub control unit is an abnormal restart; and a main control unit. The main control unit generates a control start signal for allowing the voltage applying unit to start generation of the voltage, and the restart signal. When the determining unit determines that the restart of the sub control unit is an abnormal restart, the main control unit sends again the control start signal to the sub control unit.
摘要翻译：图像形成装置包括：电压施加单元，用于向电负载施加电压; 子控制单元，用于控制电压施加单元; 重启单元，用于响应接收到重启信号重新启动子控制单元; 确定单元，用于确定子控制单元的重新启动是否是异常重启; 和主控制单元。主控制单元产生用于允许电压施加单元开始产生电压的控制开始信号和重启信号。当确定单元确定副控制单元的重新启动是异常重启时，主控制单元再次发送控制开始信号给子控制单元。

4. 发明授权

US08792798B2 Image forming apparatus having a configuration to prevent electric discharge in a cleaning member 有权
标题翻译：具有防止清扫部件放电的结构的图像形成装置
公开(公告)号：US08792798B2
公开(公告)日：2014-07-29
申请号：US13240114
申请日：2011-09-22
申请人： Katsumi Inukai , Masahito Hamaya , Tsuyoshi Maruyama
发明人： Katsumi Inukai , Masahito Hamaya , Tsuyoshi Maruyama
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/161 , G03G2215/0141
摘要： An image forming apparatus is provided, which includes an image forming unit configured to form an image on a recording medium, a cleaned body that is an intended body to be cleaned, a cleaning member configured to clean at least attached matter, which is generated in image formation by the image forming unit, on the cleaned body, a backup member disposed to face the cleaning member across the cleaned body, a voltage supply unit configured to supply the backup member with a cleaning voltage having a polarity identical to a charge polarity of the attached matter, in an operation of cleaning the cleaned body, a detector configured to detect an electric quantity of the cleaning member when the cleaning voltage is supplied to the backup member by the voltage supply unit, and a controller configured to control the detected electric quantity of the cleaning member to be a predetermined value.
摘要翻译：提供了一种图像形成装置，其包括被配置为在记录介质上形成图像的图像形成单元，作为要清洁的物体的清洁体，被构造成清洁至少附着物的清洁构件，通过图像形成单元在清洁体上形成的图像，配置成与清洁体对置地穿过清洁体的支撑构件;电压供给单元，被配置为向支撑构件提供具有与电池极性相同的极性的清洁电压所述附件在清洁所述清洁体的操作中，所述检测器构造成当所述清洁电压通过所述电压供给单元供应到所述备用构件时检测所述清洁构件的电量;以及控制器，被配置为控制所检测到的电清洁构件的数量为预定值。

5. 发明申请

US20100034552A1 IMAGE FORMING DEVICE 有权
标题翻译：图像形成装置
公开(公告)号：US20100034552A1
公开(公告)日：2010-02-11
申请号：US12536471
申请日：2009-08-05
申请人： Tsuyoshi Maruyama , Masahito Hamaya , Kazushi Shumiya
发明人： Tsuyoshi Maruyama , Masahito Hamaya , Kazushi Shumiya
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/166 , G03G15/0194
摘要： There is provided an image forming device, comprising: a first electrical load; a second electrical load; a voltage generation circuit that generates a second voltage to be applied to the second electrical load; a shunt circuit that located between an output side of the voltage generation circuit and the first electrical load; and a controller that executes first control of controlling the shunt circuit to change a first voltage applied from the shunt circuit to the first electrical load to a first target level, and second control of controlling the voltage generation circuit to change the second voltage to a second target level. The controller executes voltage change suppression control of controlling the second voltage such that change of the second voltage becomes gentler as a difference between the first voltage and the first target level becomes larger.
摘要翻译：提供了一种图像形成装置，包括：第一电负载; 第二电负载; 产生施加到第二电负载的第二电压的电压产生电路; 位于电压产生电路的输出侧和第一电负载之间的分流电路; 以及控制器，其执行控制分流电路的第一控制以将从分流电路施加的第一电压改变为第一电负载到第一目标电平;以及控制电压产生电路以将第二电压改变为第二电压的第二控制目标水平。控制器执行控制第二电压的电压变化抑制控制，使得随着第一电压和第一目标电平之间的差异变大，第二电压的变化变得更温和。

6. 发明授权

US08259353B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08259353B2
公开(公告)日：2012-09-04
申请号：US12426977
申请日：2009-04-21
申请人： Masahito Hamaya , Tsuyoshi Maruyama
发明人： Masahito Hamaya , Tsuyoshi Maruyama
IPC分类号： H04N1/60
CPC分类号： H04N1/00885 , H04N1/00904 , H04N1/00909 , H04N1/2346 , H04N1/295
摘要： An image forming apparatus is provided. A first cleaning unit is configured to collect a particle deposited on an object. An applying unit is configured to apply a voltage to the first cleaning unit. A first detector is configured to detect a first current flowing between the first cleaning unit and the object. A controller is configured to control the applying unit. When the detected first current becomes equal to or greater than a first predetermined value, the controller controls the applying unit to reduce the voltage applied to the first cleaning unit so as to make the first current smaller than the first predetermined value.
摘要翻译：提供一种图像形成装置。第一清洁单元构造成收集沉积在物体上的颗粒。施加单元被配置为向第一清洁单元施加电压。第一检测器被配置为检测在第一清洁单元和物体之间流动的第一电流。控制器被配置为控制施加单元。当检测到的第一电流变为等于或大于第一预定值时，控制器控制施加单元以减小施加到第一清洁单元的电压，使得第一电流小于第一预定值。

7. 发明授权

US07899351B2 Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：US07899351B2
公开(公告)日：2011-03-01
申请号：US12536471
申请日：2009-08-05
申请人： Tsuyoshi Maruyama , Masahito Hamaya , Kazushi Shumiya
发明人： Tsuyoshi Maruyama , Masahito Hamaya , Kazushi Shumiya
IPC分类号： G03G15/00
CPC分类号： G03G15/166 , G03G15/0194
摘要： There is provided an image forming device, including: a first electrical load; a second electrical load; a voltage generation circuit that generates a second voltage to be applied to the second electrical load; a shunt circuit that located between an output side of the voltage generation circuit and the first electrical load; and a controller that executes first control of controlling the shunt circuit to change a first voltage applied from the shunt circuit to the first electrical load to a first target level, and second control of controlling the voltage generation circuit to change the second voltage to a second target level. The controller executes voltage change suppression control of controlling the second voltage such that change of the second voltage becomes gentler as a difference between the first voltage and the first target level becomes larger.
摘要翻译：提供了一种图像形成装置，包括：第一电负载; 第二电负载; 产生施加到第二电负载的第二电压的电压产生电路; 位于电压产生电路的输出侧和第一电负载之间的分流电路; 以及控制器，其执行控制分流电路的第一控制以将从分流电路施加的第一电压改变为第一电负载到第一目标电平;以及控制电压产生电路以将第二电压改变为第二电压的第二控制目标水平。控制器执行控制第二电压的电压变化抑制控制，使得随着第一电压和第一目标电平之间的差异变大，第二电压的变化变得更温和。

8. 发明授权

US08903261B2 Heating apparatus and image forming apparatus having the same 有权
标题翻译：加热装置和具有该加热装置的图像形成装置
公开(公告)号：US08903261B2
公开(公告)日：2014-12-02
申请号：US13414660
申请日：2012-03-07
申请人： Tsuyoshi Maruyama , Katsumi Inukai
发明人： Tsuyoshi Maruyama , Katsumi Inukai
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： A heating apparatus includes a switching circuit configured to switch on/off current-feeding from an AC power source to the heater, a temperature detector configured to detect a temperature of the heater, and a current-feed controller configured to execute a first current-feed mode of changing a current-feed ratio of current-feeding time to unit time by controlling switching of the switching circuit so that the temperature detected by the temperature detector falls within a target range. The current-feed controller executes a second current-feed mode of fixing the current-feed ratio to almost 100% or almost 0% during execution of the first current-feed mode in place of the first current-feed mode.
摘要翻译：一种加热装置，包括：开关电路，被配置为从AC电源向加热器供电;将配置为检测加热器的温度的温度检测器以及配置为执行第一电流馈送控制器的电流馈送控制器，通过控制切换电路的切换使得由温度检测器检测到的温度落在目标范围内，将供电时间的电流进给比改变为单位时间的进给模式。电流馈送控制器执行第二电流馈送模式，以在执行第一电流馈送模式期间将电流馈送比固定为几乎100％或几乎为0％，代替第一电流馈送模式。

9. 发明授权

US08737851B2 Image forming apparatus with abnormal discharge detection 有权
标题翻译：具有异常放电检测的图像形成装置
公开(公告)号：US08737851B2
公开(公告)日：2014-05-27
申请号：US13073048
申请日：2011-03-28
申请人： Katsumi Inukai , Tsuyoshi Maruyama
发明人： Katsumi Inukai , Tsuyoshi Maruyama
IPC分类号： G03G15/02 , G03G15/00
CPC分类号： G03G15/0283 , G03G15/0291
摘要： An image forming apparatus includes: a photoconductor; a charger configured to charge the photoconductor, the charger having a discharge wire and a grid; a charge-voltage applying device configured to generate charge voltage and apply the charge voltage to the discharge wire; and an abnormal-discharge detector provided between an output end portion of the charge-voltage applying device and the ground. The abnormal-discharge detector is configured to detect an abnormal discharge occurring in the charger by detecting an abnormal current passing via the grid and the ground upon occurrence of the abnormal discharge.
摘要翻译：图像形成装置包括：感光体; 配置为对感光体充电的充电器，充电器具有放电线和栅格; 充电电压施加装置，被配置为产生充电电压并将充电电压施加到放电线; 以及设置在充电电压施加装置的输出端部与地之间的异常放电检测器。异常放电检测器被配置为通过检测在发生异常放电时通过电网和地面的异常电流来检测在充电器中发生的异常放电。

10. 发明授权

US08676067B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08676067B2
公开(公告)日：2014-03-18
申请号：US13075697
申请日：2011-03-30
申请人： Tsuyoshi Maruyama , Katsumi Inukai
发明人： Tsuyoshi Maruyama , Katsumi Inukai
IPC分类号： G03G15/02
CPC分类号： G03G15/0266 , G03G15/0291 , G03G15/55 , G03G15/553 , G03G2215/0141
摘要： An image forming apparatus includes: a photoconductor; a charger configured to charge the photoconductor, the charger including a discharge wire and a grid; a voltage applying circuit configured to generate charge voltage and apply the charge voltage to the discharge wire of the charger; a grid-current detector configured to detect a grid current passing through the grid; a controller configured to control the voltage applying circuit on the basis of a detection value detected by the grid-current detector so that the grid current is constant; an abnormal-discharge detector configured to detect an abnormal discharge occurring in the charger; and a suppression resistor configured to suppress abnormal discharge energy. The suppression resistor includes a first terminal and a second terminal. The first terminal is connected to the grid. The second terminal is connected to at least one of the grid-current detector and the abnormal-discharge detector.
摘要翻译：图像形成装置包括：感光体; 配置为对感光体充电的充电器，充电器包括放电线和栅格; 电压施加电路，被配置为产生充电电压并将充电电压施加到充电器的放电线; 电网电流检测器，被配置为检测通过电网的电网电流; 控制器，被配置为基于由电网电流检测器检测的检测值来控制电压施加电路，使得电网电流恒定; 异常放电检测器，被配置为检测充电器中发生的异常放电; 以及抑制电阻器，其被配置为抑制异常放电能量。抑制电阻器包括第一端子和第二端子。第一个终端连接到网格。第二端子连接到电网电流检测器和异常放电检测器中的至少一个。

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