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公开(公告)号：US07710129B2
公开(公告)日：2010-05-04
申请号：US11946520
申请日：2007-11-28
申请人： Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Atsushi Kandori , Kaoru Noguchi , Kazuhiko Kato , Futoshi Hirose
发明人： Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Atsushi Kandori , Kaoru Noguchi , Kazuhiko Kato , Futoshi Hirose
CPC分类号： G03G15/5037 , G01R29/12
摘要： A potential measurement apparatus is provided which can suitably maintain the oscillation state of an oscillator including a detection electrode and stably measure the potential of a measurement object. The potential measurement apparatus includes a bearing part, an elastic supporting part supported by the bearing part, an oscillator movably supported by the elastic supporting part, detection electrodes installed in the oscillator, a drive mechanism driving the oscillator and a signal detection unit. The signal detection unit is connected to the detection electrodes to detect electrical signals appearing in the detected electrodes. A stress detecting element for generating an electric signal according to the stress of the elastic suspension part 142 is provided.
摘要翻译： 提供了可以适当地保持包括检测电极的振荡器的振荡状态并稳定地测量测量对象的电位的电位测量装置。 电位测量装置包括轴承部，由轴承部支撑的弹性支撑部，由弹性支撑部可动地支撑的振动体，安装在振荡器中的检测电极，驱动振荡器的驱动机构和信号检测部。 信号检测单元连接到检测电极以检测出现在检测电极中的电信号。 提供了一种用于根据弹性悬挂部分142的应力产生电信号的应力检测元件。
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2.发明申请公开(公告)号：US20080116897A1
公开(公告)日：2008-05-22
申请号：US11924241
申请日：2007-10-25
申请人： Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Yoshitaka Zaitsu , Kazuhiko Kato , Toshiyuki Ogawa , Futoshi Hirose
发明人： Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Yoshitaka Zaitsu , Kazuhiko Kato , Toshiyuki Ogawa , Futoshi Hirose
IPC分类号： G01R29/12
CPC分类号： G01R29/12
摘要： A potential sensor is provided in which the adhesion of toner particles to the potential sensor is reduced or prevented from occurring, reducing or preventing the occurrence of a situation that accurate detection cannot be performed. The potential sensor has a movable member, detecting electrodes formed on the movable member, a support which movably supports the movable member, a driving mechanism which drives the movable member, and a stationary member which supports the support. Between the movable member and the stationary member, a first gap is so formed as to make the movable member 101 movable. The first gap has a part that is not larger in width than the maximum size of toner particles when the movable member is not elastically deformed and is at a neutral position.
摘要翻译： 提供了一种潜在的传感器，其中减少或防止了调色剂颗粒对电位传感器的粘附，减少或防止不能进行精确检测的情况。 电位传感器具有可移动部件，形成在可动部件上的检测电极，可移动地支撑可动部件的支撑体，驱动可动部件的驱动机构，以及支撑支撑体的静止部件。 在可动构件和固定构件之间，形成第一间隙以使可动构件101可移动。 第一间隙具有不大于当可移动部件没有弹性变形并处于中立位置时调色剂颗粒的最大尺寸的宽度的部分。
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公开(公告)号：US07990159B2
公开(公告)日：2011-08-02
申请号：US12521081
申请日：2008-01-28
申请人： Kazuhiko Kato , Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Futoshi Hirose
发明人： Kazuhiko Kato , Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Futoshi Hirose
IPC分类号： G01R27/26
CPC分类号： G03G15/0266 , G01R29/12 , G03G15/5037
摘要： A potential measurement apparatus for measuring a surface potential of an object of measurement detects a change in electric charge induced at a detection electrode due to electrostatic induction by changing a distance between the detection electrode and the object of measurement in accordance with a predetermined period, using a neutral distance as reference, as a signal representing a change in electric current. The potential measurement apparatus includes a first detection unit for detecting a signal representing a fundamental period of the change in electric current and a signal representing a second harmonic period, a second detection unit for detecting information representing a capacitance between the detection electrode at the neutral distance and the object of measurement and an arithmetic unit for computationally obtaining information on the surface potential of the object of measurement, with eliminating an influence of the neutral distance and the capacitance, according to an outcome of detection of the first detection unit and an outcome of detection of the second detection unit.
摘要翻译： 用于测量测量对象的表面电位的电位测量装置根据预定周期改变检测电极与测量对象之间的距离，通过使用静电感应来检测在检测电极处感应的电荷的变化，使用 作为参考的中性距离，作为表示电流变化的信号。 电位测量装置包括：第一检测单元，用于检测表示电流变化的基本周期的信号和表示二次谐波周期的信号;第二检测单元，用于检测表示中性距离处的检测电极之间的电容的信息 以及测量对象和运算单元，用于根据第一检测单元的检测结果和消除第一检测单元的检测结果消除中性距离和电容的影响来计算获得关于测量对象的表面电位的信息， 检测第二检测单元。
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公开(公告)号：US20100019779A1
公开(公告)日：2010-01-28
申请号：US12521081
申请日：2008-01-28
申请人： Kazuhiko Kato , Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Futoshi Hirose
发明人： Kazuhiko Kato , Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Futoshi Hirose
CPC分类号： G03G15/0266 , G01R29/12 , G03G15/5037
摘要： A potential measurement apparatus for measuring a surface potential of an object of measurement detects a change in electric charge induced at a detection electrode due to electrostatic induction by changing a distance between the detection electrode and the object of measurement in accordance with a predetermined period, using a neutral distance as reference, as a signal representing a change in electric current. The potential measurement apparatus includes a first detection unit for detecting a signal representing a fundamental period of the change in electric current and a signal representing a second harmonic period, a second detection unit for detecting information representing a capacitance between the detection electrode at the neutral distance and the object of measurement and an arithmetic unit for computationally obtaining information on the surface potential of the object of measurement, with eliminating an influence of the neutral distance and the capacitance, according to an outcome of detection of the first detection unit and an outcome of detection of the second detection unit.
摘要翻译： 用于测量测量对象的表面电位的电位测量装置根据预定周期改变检测电极与测量对象之间的距离，通过使用静电感应来检测在检测电极处感应的电荷的变化，使用 作为参考的中性距离，作为表示电流变化的信号。 电位测量装置包括：第一检测单元，用于检测表示电流变化的基本周期的信号和表示二次谐波周期的信号;第二检测单元，用于检测表示中性距离处的检测电极之间的电容的信息 以及测量对象和运算单元，用于根据第一检测单元的检测结果和消除第一检测单元的检测结果消除中性距离和电容的影响来计算获得关于测量对象的表面电位的信息， 检测第二检测单元。
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5.发明授权公开(公告)号：US07639020B2
公开(公告)日：2009-12-29
申请号：US11924241
申请日：2007-10-25
申请人： Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Yoshitaka Zaitsu , Kazuhiko Kato , Toshiyuki Ogawa , Futoshi Hirose
发明人： Takashi Ushijima , Kaoru Noguchi , Atsushi Kandori , Yoshitaka Zaitsu , Kazuhiko Kato , Toshiyuki Ogawa , Futoshi Hirose
CPC分类号： G01R29/12
摘要： A potential sensor is provided in which the adhesion of toner particles to the potential sensor is reduced or prevented from occurring, reducing or preventing the occurrence of a situation that accurate detection cannot be performed. The potential sensor has a movable member, detecting electrodes formed on the movable member, a support which movably supports the movable member, a driving mechanism which drives the movable member, and a stationary member which supports the support. Between the movable member and the stationary member, a first gap is so formed as to make the movable member 101 movable. The first gap has a part that is not larger in width than the maximum size of toner particles when the movable member is not elastically deformed and is at a neutral position.
摘要翻译： 提供了一种潜在的传感器，其中减少或防止了调色剂颗粒对电位传感器的粘附，减少或防止不能进行精确检测的情况。 电位传感器具有可移动部件，形成在可动部件上的检测电极，可移动地支撑可动部件的支撑体，驱动可动部件的驱动机构，以及支撑支撑体的静止部件。 在可动构件和固定构件之间，形成第一间隙以使可动构件101可移动。 第一间隙具有不大于当可移动部件没有弹性变形并处于中立位置时调色剂颗粒的最大尺寸的宽度的部分。
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公开(公告)号：US20080284445A1
公开(公告)日：2008-11-20
申请号：US11946520
申请日：2007-11-28
申请人： Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Atsushi Kandori , Kaoru Noguchi , Kazuhiko Kato , Futoshi Hirose
发明人： Toshiyuki Ogawa , Yoshitaka Zaitsu , Takashi Ushijima , Atsushi Kandori , Kaoru Noguchi , Kazuhiko Kato , Futoshi Hirose
IPC分类号： G01R29/12
CPC分类号： G03G15/5037 , G01R29/12
摘要： A potential measurement apparatus is provided which can suitably maintain the oscillation state of an oscillator including a detection electrode and stably measure the potential of a measurement object. The potential measurement apparatus includes a bearing part, an elastic supporting part supported by the bearing part, an oscillator movably supported by the elastic supporting part, detection electrodes installed in the oscillator, a drive mechanism driving the oscillator and a signal detection unit. The signal detection unit is connected to the detection electrodes to detect electrical signals appearing in the detected electrodes. A stress detecting element for generating an electric signal according to the stress of the elastic suspension part 142 is provided.
摘要翻译： 提供了可以适当地保持包括检测电极的振荡器的振荡状态并稳定地测量测量对象的电位的电位测量装置。 电位测量装置包括轴承部，由轴承部支撑的弹性支撑部，由弹性支撑部可动地支撑的振动体，安装在振荡器中的检测电极，驱动振荡器的驱动机构和信号检测部。 信号检测单元连接到检测电极以检测出现在检测电极中的电信号。 提供了一种用于根据弹性悬挂部分142的应力产生电信号的应力检测元件。
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公开(公告)号：US20110255890A1
公开(公告)日：2011-10-20
申请号：US13166980
申请日：2011-06-23
IPC分类号： G03G15/00
CPC分类号： G03G15/5037 , G03G2215/00054
摘要： There is provided an image forming apparatus and method capable of reducing a measurement error in a measurement result of the surface potential of an electrostatic latent image formed on the surface of an image bearing member. The measurement error occurs under the influence of an electric field generated from a pre-exposed area. Consequently, miniaturization of an image forming apparatus and consistent print quality can be achieved. The image forming apparatus includes an image forming control section for determining an error correction value corresponding to the charge state of a latent image on the basis of relationships between charge states of the latent image and error correction values which have been prepared in advance, computing an error corrected potential measurement value using the error correction value and a potential measurement value, and controlling the image forming apparatus on the basis of the error corrected potential measurement value.
摘要翻译： 提供了一种图像形成装置和方法，其能够降低在图像承载部件的表面上形成的静电潜像的表面电位的测量结果中的测量误差。 测量误差发生在从预曝光区域产生的电场的影响下。 因此，可以实现图像形成装置的小型化和一致的打印质量。 图像形成装置包括图像形成控制部分，用于根据潜在的图像的电荷状态和预先准备的误差校正值之间的关系来确定与潜像的电荷状态对应的误差校正值，计算 使用误差校正值和电位测量值的误差校正电位测量值，并且基于误差校正电位测量值来控制图像形成装置。
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8.发明授权Image forming apparatus and image forming method with error corrected potential measurements 有权具有误差校正电位测量的图像形成装置和图像形成方法公开(公告)号：US08244146B2
公开(公告)日：2012-08-14
申请号：US13166980
申请日：2011-06-23
IPC分类号： G03G15/00
CPC分类号： G03G15/5037 , G03G2215/00054
摘要： There is provided an image forming apparatus and method capable of reducing a measurement error in a measurement result of the surface potential of an electrostatic latent image formed on the surface of an image bearing member. The measurement error occurs under the influence of an electric field generated from a pre-exposed area. Consequently, miniaturization of an image forming apparatus and consistent print quality can be achieved. The image forming apparatus includes an image forming control section for determining an error correction value corresponding to the charge state of a latent image on the basis of relationships between charge states of the latent image and error correction values which have been prepared in advance, computing an error corrected potential measurement value using the error correction value and a potential measurement value, and controlling the image forming apparatus on the basis of the error corrected potential measurement value.
摘要翻译： 提供了一种图像形成装置和方法，其能够降低在图像承载部件的表面上形成的静电潜像的表面电位的测量结果中的测量误差。 测量误差发生在从预曝光区域产生的电场的影响下。 因此，可以实现图像形成装置的小型化和一致的打印质量。 图像形成装置包括图像形成控制部分，用于根据潜在的图像的电荷状态和预先准备的误差校正值之间的关系来确定与潜像的电荷状态对应的误差校正值，计算 使用误差校正值和电位测量值的误差校正电位测量值，并且基于误差校正电位测量值来控制图像形成装置。
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公开(公告)号：US20080112717A1
公开(公告)日：2008-05-15
申请号：US11923039
申请日：2007-10-24
IPC分类号： G03G15/00
CPC分类号： G03G15/5037 , G03G2215/00054
摘要： There is provided an image forming apparatus and method capable of reducing a measurement error in a measurement result of the surface potential of an electrostatic latent image formed on the surface of an image bearing member. The measurement error occurs under the influence of an electric field generated from a pre-exposed area. Consequently, miniaturization of an image forming apparatus and consistent print quality can be achieved. The image forming apparatus includes an image forming control section for determining an error correction value corresponding to the charge state of a latent image on the basis of relationships between charge states of the latent image and error correction values which have been prepared in advance, computing an error corrected potential measurement value using the error correction value and a potential measurement value, and controlling the image forming apparatus on the basis of the error corrected potential measurement value.
摘要翻译： 提供了一种图像形成装置和方法，其能够降低在图像承载部件的表面上形成的静电潜像的表面电位的测量结果中的测量误差。 测量误差发生在由预曝光区域产生的电场的影响下。 因此，可以实现图像形成装置的小型化和一致的打印质量。 图像形成装置包括图像形成控制部分，用于根据潜在的图像的电荷状态和预先准备的误差校正值之间的关系来确定与潜像的电荷状态对应的误差校正值，计算 使用误差校正值和电位测量值的误差校正电位测量值，并且基于误差校正电位测量值来控制图像形成装置。
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10.发明申请公开(公告)号：US20070065169A1
公开(公告)日：2007-03-22
申请号：US11500926
申请日：2006-08-09
CPC分类号： G01R15/165 , G01N27/22 , G03G15/5037
摘要： An electric potential measuring apparatus includes a detecting electrode, a modulator for changing an electrostatic capacitance between a measurement object and the detecting electrode by mechanical vibration, a charge detector for detecting the amount of charges electrostatically induced in the detecting electrode by the modulator, and a vibration generating-detecting unit for selectively performing either a vibration generating function of exciting the mechanical vibration, or a detecting function of detecting the condition of the mechanical vibration.
摘要翻译： 电位测量装置包括检测电极，用于通过机械振动改变测量对象和检测电极之间的静电电容的调制器，用于检测由调制器在静电感应的检测电极中的电荷量的电荷检测器，以及 振动产生检测单元，用于选择性地执行激发机械振动的振动产生功能，或者检测机械振动的状态的检测功能。
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