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1.发明授权Image forming apparatus including chargers and a current detecing unit that detects a sum of currents of the chargers 有权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
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。
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公开(公告)号：US08750743B2
公开(公告)日：2014-06-10
申请号：US13362152
申请日：2012-01-31
申请人： Masahito Hamaya
发明人： Masahito Hamaya
CPC分类号： G03G15/043 , G03G15/5004 , G03G15/80 , G03G21/1871 , G03G2215/0141 , G03G2221/169
摘要： An image forming apparatus is provided. The image forming apparatus includes a plurality of photosensitive members arranged to align in parallel with one another, an exposure device arranged in an upper position with respect to the plurality of photosensitive members and configured to expose the photosensitive members to light, an exposure controller arranged in an upper position with respect to the exposure device and configured to control the exposure device according to inputted image data, a power board, arranged in a lower position with respect to the plurality of photosensitive members and configured to convert alternate current power to direct current power, and a voltage converter arranged in un upper position with respect to the exposure device and configured to convert the direct current power supplied from the power board into an at least single-leveled first voltage and supply the first voltage to the exposure controller.
摘要翻译： 提供一种图像形成装置。 图像形成装置包括多个被配置为彼此平行排列的感光构件，曝光装置相对于多个感光构件设置在上部位置并且被配置为将感光构件曝光，将曝光控制器布置在 相对于曝光装置的上部位置，并被配置为根据输入的图像数据控制曝光装置，电源板，布置在相对于多个感光构件的较低位置，并且被配置为将交流电力转换成直流电力 以及相对于曝光装置布置在上部位置的电压转换器，并且被配置为将从电源板提供的直流电力转换为至少单级的第一电压，并将第一电压提供给曝光控制器。
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公开(公告)号：US20130322911A1
公开(公告)日：2013-12-05
申请号：US13851265
申请日：2013-03-27
申请人： Masahito Hamaya , Yoshihiro Okamoto
发明人： Masahito Hamaya , Yoshihiro Okamoto
IPC分类号： G03G15/00
CPC分类号： G03G15/80
摘要： An image forming apparatus is configured to electro-photographically form an image and includes a main body frame which includes a side wall, an outer cover which covers an outer face of the main body frame, a high-voltage board which includes a high-voltage generator circuit configured to generate a high voltage and supply an electric power to a device requiring a high-voltage power source, and a main board which includes a main control circuit configured to perform a control on an image forming process of the image forming apparatus. In a side region which is formed by the side wall of the main body frame and the outer cover, the high-voltage board and the main board are disposed along the side wall to overlap with each other at least partially, and the high-voltage board is disposed on an outer side relative to the main board.
摘要翻译： 图像形成装置被配置为电摄影地形成图像，并且包括主体框架，其包括侧壁，覆盖主体框架的外表面的外盖，包括高压的高压板 发电机电路，其被配置为产生高电压并向需要高压电源的装置提供电力;以及主板，其包括被配置为对所述图像形成装置的图像形成处理进行控制的主控制电路。 在由主体框架的侧壁和外盖形成的侧部区域中，高压板和主板沿着侧壁设置，至少部分地彼此重叠，并且高压 板相对于主板设置在外侧。
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公开(公告)号：US08301044B2
公开(公告)日：2012-10-30
申请号：US12568380
申请日：2009-09-28
申请人： Masahito Hamaya , Katsumi Inukai
发明人： Masahito Hamaya , Katsumi Inukai
IPC分类号： G03G15/02
CPC分类号： G03G15/0266 , G03G2215/027
摘要： An image forming device includes plural electrostatic latent image holding bodies that hold, on surfaces thereof, electrostatic latent images to be developed with developers of multiple colors, respectively, plural electrification control units that face the electrostatic latent image holding bodies and charge or discharge the surfaces of the electrostatic latent image holding bodies, respectively, a current controller that controls electric currents, each of which is supplied between the electrostatic latent image holding body and the electrification control unit for a corresponding one of the multiple colors, to be a constant target current, a maximum voltage output unit that outputs a maximum voltage among voltages each of which is applied between the electrostatic latent image holding body and the electrification control unit for a corresponding one of the multiple colors, and a detector that detects malfunction of the electrification control units when the maximum voltage exceeds a predetermined value.
摘要翻译： 图像形成装置包括：多个静电潜像保持体，分别在多个静电潜像保持体的与静电潜像保持体相对的充电或放电表面上分别保持与多个显影剂一起显影的静电潜像; 分别将控制电流的电流控制器作为恒定的目标电流，每个电流控制器被提供在静电潜像保持体和用于多种颜色中的相应一种的电气控制单元之间 最大电压输出单元，其输出对于所述多种颜色中的相应一种而施加在所述静电潜像保持体和所述通电控制单元之间的电压中的最大电压;以及检测器，其检测所述通电控制单元的故障 当最大电压超过 预定值。
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公开(公告)号：US20120027437A1
公开(公告)日：2012-02-02
申请号：US13194075
申请日：2011-07-29
IPC分类号： G03G15/02
CPC分类号： G03G15/0283 , G03G15/0194
摘要： An image forming apparatus, includes: at lease one photosensitive element; a plurality of chargers configured to charge the at lease 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; 多个充电器，被配置为至少对一个感光元件充电; 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。
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公开(公告)号：US20120027436A1
公开(公告)日：2012-02-02
申请号：US13071954
申请日：2011-03-25
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。
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公开(公告)号：US08019241B2
公开(公告)日：2011-09-13
申请号：US12199566
申请日：2008-08-27
申请人： Masahito Hamaya
发明人： Masahito Hamaya
CPC分类号： G03G21/06
摘要： An image forming apparatus is provided. The image forming apparatus includes: a photosensitive member; a discharging unit arranged to face the photosensitive member; a high-voltage power supply unit which supplies power to the discharging unit; a discharge detection unit which detects abnormal discharge in the discharging unit; an output controller which controls an output of the high-voltage power supply unit according to control information; and a cleaning detection unit which compares current control information for the high-voltage power supply unit supplying power to the discharging unit in which abnormal discharge is detected with previous control information for the high-voltage power supply unit when previous abnormal discharge is detected in the discharging unit, and which detects whether the discharging unit has been cleaned based on the comparison result.
摘要翻译： 提供一种图像形成装置。 图像形成装置包括：感光部件; 布置成面对感光构件的放电单元; 向放电单元供电的高压电源单元; 放电检测单元，其检测放电单元中的异常放电; 输出控制器，其根据控制信息控制高压电源单元的输出; 以及清洁检测单元，其在先前的异常放电中检测到高电压电源单元的先前控制信息时，将检测到异常放电的放电单元的高电压电源单元供电的电流控制信息与 放电单元，并且基于比较结果来检测排出单元是否被清洁。
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公开(公告)号：US20100034552A1
公开(公告)日：2010-02-11
申请号：US12536471
申请日：2009-08-05
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。
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公开(公告)号：US20090060535A1
公开(公告)日：2009-03-05
申请号：US12199566
申请日：2008-08-27
申请人： Masahito HAMAYA
发明人： Masahito HAMAYA
IPC分类号： G03G21/00
CPC分类号： G03G21/06
摘要： An image forming apparatus is provided. The image forming apparatus includes: a photosensitive member; a discharging unit arranged to face the photosensitive member; a high-voltage power supply unit which supplies power to the discharging unit; a discharge detection unit which detects abnormal discharge in the discharging unit; an output controller which controls an output of the high-voltage power supply unit according to control information; and a cleaning detection unit which compares current control information for the high-voltage power supply unit supplying power to the discharging unit in which abnormal discharge is detected with previous control information for the high-voltage power supply unit when previous abnormal discharge is detected in the discharging unit, and which detects whether the discharging unit has been cleaned based on the comparison result.
摘要翻译： 提供一种图像形成装置。 图像形成装置包括：感光部件; 布置成面对感光构件的放电单元; 向放电单元供电的高压电源单元; 放电检测单元，其检测放电单元中的异常放电; 输出控制器，其根据控制信息控制高压电源单元的输出; 以及清洁检测单元，其在先前的异常放电中检测到高电压电源单元的先前控制信息时，将检测到异常放电的放电单元的高电压电源单元供电的电流控制信息与 放电单元，并且基于比较结果来检测排出单元是否被清洁。
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10.发明申请Image Forming Apparatus Capable of Electrically Detecting Usage State of Process Cartridge Mounted Therein 有权能够电气检测其中安装的处理盒的使用状态的图像形成装置公开(公告)号：US20130177326A1
公开(公告)日：2013-07-11
申请号：US13720222
申请日：2012-12-19
申请人： Masahito Hamaya
发明人： Masahito Hamaya
CPC分类号： G03G21/1867 , G03G21/1875
摘要： An image forming apparatus includes: a process cartridge; a voltage applying unit; a contact; an electric line; a detection unit; and a control unit. The voltage applying unit generates a voltage and applies the voltage to the process cartridge. The contact is switched an ON state and an OFF state based on a usage state of the process cartridge The electric line electrically connects the voltage applying unit to the process cartridge. The detection unit is electrically connected to the electric line via the contact and provides either one of a first detection output corresponding to the ON state and a second detection output corresponding to the OFF state. The control unit executes a determination process in a determination mode for determining the usage state of the process cartridge based on either one of the first detection output and the second detection output of the detection unit.
摘要翻译： 图像形成装置包括：处理盒; 电压施加单元; 联系人 一条电线 检测单元; 和控制单元。 电压施加单元产生电压并向处理盒施加电压。 根据处理盒的使用状态，触点切换到ON状态和OFF状态。电线将电压施加单元电连接到处理盒。 检测单元经由触点与电线电连接，并且提供与ON状态对应的第一检测输出和对应于OFF状态的第二检测输出中的任一个。 控制单元基于检测单元的第一检测输出和第二检测输出中的任一个来执行用于确定处理盒的使用状态的确定模式中的确定处理。
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