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    • 2. 发明授权
    • Fixing device
    • 固定装置
    • US09008561B2
    • 2015-04-14
    • US13851420
    • 2013-03-27
    • Masataka Maeda
    • Masataka Maeda
    • G03G15/20
    • G03G15/2053G03G2215/2035
    • A fixing device may include an endless fixing belt, a facing member facing an outer surface of the fixing belt, a nip member configured to contact an inner surface of the fixing belt to form a nip portion where the fixing belt and the facing member are in contact with each other, and a heat source device configured to heat the nip portion inside the fixing belt. The nip member includes a heat transfer member which is provided at a position corresponding to a portion of the nip portion when seen from a side view, and a heat insulating member which is a portion of the nip member except for the heat transfer member, and is made of a material having thermal conductivity lower than that of the heat transfer member.
    • 定影装置可以包括环形定影带,面向定影带的外表面的面对构件,夹持构件,其构造成接触定影带的内表面以形成夹持部分,其中定影带和面对构件处于 彼此接触,以及构造成加热定影带内的压合部的热源装置。 夹持构件包括传热构件,该传热构件设置在从侧视图看时位于对应于夹持部的一部分的位置处,并且隔热构件是除了传热构件之外的夹持构件的一部分,以及 由导热率低于传热构件的材料制成。
    • 3. 发明申请
    • Fixing Device
    • 固定装置
    • US20130279955A1
    • 2013-10-24
    • US13851420
    • 2013-03-27
    • Masataka Maeda
    • Masataka Maeda
    • G03G15/20
    • G03G15/2053G03G2215/2035
    • A fixing device may include an endless fixing belt, a facing member facing an outer surface of the fixing belt, a nip member configured to contact an inner surface of the fixing belt to form a nip portion where the fixing belt and the facing member are in contact with each other, and a heat source device configured to heat the nip portion inside the fixing belt. The nip member includes a heat transfer member which is provided at a position corresponding to a portion of the nip portion when seen from a side view, and a heat insulating member which is a portion of the nip member except for the heat transfer member, and is made of a material having thermal conductivity lower than that of the heat transfer member.
    • 定影装置可以包括环形定影带,面向定影带的外表面的面对构件,夹持构件,其构造成接触定影带的内表面以形成夹持部分,其中定影带和面对构件处于 彼此接触,以及构造成加热定影带内的压合部的热源装置。 夹持构件包括传热构件,该传热构件设置在从侧视图看时位于对应于夹持部的一部分的位置处,并且隔热构件是除了传热构件之外的夹持构件的一部分,以及 由导热率低于传热构件的材料制成。
    • 4. 发明授权
    • Developer supply device
    • 开发商供应装置
    • US08275298B2
    • 2012-09-25
    • US12726365
    • 2010-03-18
    • Masataka MaedaMitsukiyo Okamura
    • Masataka MaedaMitsukiyo Okamura
    • G03G15/08
    • G03G15/0808G03G2215/0656
    • A developer supply device, comprising: a developer holding body having a circumferential surface and a rotation axis extending in a main scanning direction and being placed to face a supply target at a developer supply position; a carrying substrate that has a plurality of electrodes arranged along a direction intersecting with the main scanning direction and that carries a developer in a developer transport direction through a traveling electric field generated by application of a multiphase alternating voltage to the plurality of electrodes, the carrying substrate being located such that an end of the carrying substrate in the developer transport direction is positioned to face the developer holding body; and a voltage application unit configured to apply, to the plurality of electrodes and the developer holding body, the multiphase alternating voltage having alternating components synchronizing with each other.
    • 一种显影剂供应装置,包括:显影剂保持体,其具有沿主扫描方向延伸的周向表面和旋转轴线,并且被放置成在显影剂供应位置处面对供给目标; 具有沿与主扫描方向交叉的方向配置的多个电极的携带基板,并且通过对多个电极施加多相交流电压而产生的移动电场,在显影剂输送方向上携带显影剂, 基板被定位成使得承载基板在显影剂输送方向的端部被定位成面对显影剂保持体; 以及电压施加单元,被配置为向所述多个电极和所述显影剂保持体施加具有彼此同步的交替分量的多相交流电压。
    • 5. 发明授权
    • Developer conveying device and image-forming apparatus with electrodes for conveying charged developer
    • 显影剂输送装置和具有用于输送带电显影剂的电极的成像装置
    • US07822373B2
    • 2010-10-26
    • US11616541
    • 2006-12-27
    • Masataka Maeda
    • Masataka Maeda
    • G03G15/08
    • G03G15/08G03G2215/0634
    • A developer conveying device includes a first guide member, a second guide member, and a plurality of electrodes arranged on the first guide member and the second guide member. The first guide member forms a first section of a conveying path of a charged developer. The second guide member forms a second section of the conveying path which continues from the first section of the conveying path. The plurality of electrodes generate a traveling wave electric field that conveys the charged developer along the conveying path. A following rate at which the developer follows travel of the traveling wave electric field in the second section is different from the following rate in the first section.
    • 显影剂输送装置包括第一引导构件,第二引导构件和布置在第一引导构件和第二引导构件上的多个电极。 第一引导构件形成带电显影剂的输送路径的第一部分。 第二引导构件形成从传送路径的第一部分延伸的传送路径的第二部分。 多个电极产生沿着传送路径传送带电显影剂的行波电场。 显影剂跟随第二部分中的行波电场行进的速率与第一部分中的以下速率不同。
    • 6. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US5734397A
    • 1998-03-31
    • US524502
    • 1995-09-07
    • Masataka Maeda
    • Masataka Maeda
    • B41J2/385G03G15/05G03G15/34G03G21/00G01D15/06
    • G03G15/348G03G2217/0016
    • An edge electrode member includes an insulating sheet preferably made of polyamide, a number of control electrodes and a control voltage applying circuit provided on the insulating sheet. The control electrodes are formed independently of each other at a recording edge portion of the edge electrode member. The recording edge portion member is disposed upstream of the recording position so that the direction of an electric field coincides with the transport direction of the support member when control of flows of toner powder is changed. The image forming apparatus can output an image of a high picture quality free from toner powder trailing.
    • 边缘电极构件包括优选由聚酰胺制成的绝缘片,多个控制电极和设置在绝缘片上的控制电压施加电路。 控制电极在边缘电极部件的记录边缘部分彼此独立地形成。 记录边缘部件设置在记录位置的上游,使得当控制调色剂粉末的流动改变时,电场的方向与支撑部件的输送方向一致。 图像形成装置可以输出没有调色剂粉末拖尾的高图像质量的图像。
    • 7. 发明授权
    • Image forming device having a control electrode for controlling toner
flow
    • 图像形成装置具有用于控制调色剂流动的控制电极
    • US5625392A
    • 1997-04-29
    • US205827
    • 1994-03-04
    • Masataka Maeda
    • Masataka Maeda
    • B41J2/385B41J2/415G03G15/05B41J2/035B41J2/06
    • B41J2/4155
    • An edge electrode includes a plurality of control electrodes formed on an insulation sheet. The insulation sheet 2 is a 25 .mu.m thick layer of polymide. A recording surface is provided at a thickness side of the insulation sheet. The edge electrode is disposed so that the recording surface is adjacent to toner borne on a toner-bearing roller. A recording edge is provided as a narrow surface of the insulation sheet bordering the recording surface and confronting a back-electrode roller. The control electrodes are formed on the recording edge confronting a recording medium. Each control electrode is formed to about 1 .mu.m thick on the recording edge. The control electrodes are formed at an interval of about 125 .mu.m. The dimension of the control electrodes in the direction following the recording edge is about 100 .mu.m.
    • 边缘电极包括形成在绝缘片上的多个控制电极。 绝缘片2是25μm厚的聚酰亚胺层。 记录表面设置在绝缘片的厚度侧。 边缘电极设置成使得记录表面与承载在调色剂承载辊上的调色剂相邻。 记录边缘被提供为与记录表面相邻并且面对背电极辊的绝缘片的窄表面。 控制电极形成在面对记录介质的记录边缘上。 每个控制电极在记录边缘上形成约1μm厚。 控制电极以约125μm的间隔形成。 控制电极沿着记录边沿方向的尺寸约为100微米。
    • 8. 发明授权
    • Electric field potential control device for an image forming apparatus
    • 用于图像形成装置的电场控制装置
    • US5508723A
    • 1996-04-16
    • US352763
    • 1994-12-02
    • Masataka Maeda
    • Masataka Maeda
    • B41J2/415G03G15/34B41J2/06
    • B41J2/4155G03G15/346G03G2217/0025
    • An image forming apparatus includes a back electrode roller which is rotatably disposed on the upper side of an aperture electrode member. A toner carrier roller is disposed on the lower side of the aperture electrode member. The aperture electrode member is constructed such that a plurality of apertures are defined in a row in an insulating sheet and each of a plurality of control electrodes is formed on the upper side of each aperture. A control voltage applying circuit applies a voltage of 0 V or -100 V to each of the control electrodes based on an image signal. A DC power source is electrically connected to the back electrode roller. Toner particles on the toner carrier roller fly under the action of an electric field formed by the back electrode roller. A voltage of -100 V applied to each of the control electrodes prevents the toner particles from flying when no image pixels are to be formed. The voltages are applied to the control electrodes of the aperture electrode members such that an electric field is formed which prevents the charged toner particles from being deposited on the control electrodes. Thus, a higher quality image is formed on a support member.
    • 图像形成装置包括可旋转地设置在孔电极构件的上侧的背面电极辊。 调色剂承载辊设置在孔电极部件的下侧。 孔径电极构件被构造成使得多个孔在绝缘片中排成一行,并且在每个孔的上侧形成多个控制电极中的每一个。 控制电压施加电路基于图像信号向每个控制电极施加0V或-100V的电压。 直流电源电连接到背电极辊。 调色剂承载辊上的调色剂颗粒在由后电极辊形成的电场的作用下飞行。 施加到每个控制电极的-100V的电压防止当不形成图像像素时调色剂颗粒飞行。 电压施加到孔电极部件的控制电极,使得形成电场,防止带电调色剂颗粒沉积在控制电极上。 因此,在支撑构件上形成更高质量的图像。
    • 10. 发明授权
    • Developer carrying device and image forming device
    • 显影剂承载装置和图像形成装置
    • US08265530B2
    • 2012-09-11
    • US12562923
    • 2009-09-18
    • Masataka Maeda
    • Masataka Maeda
    • G03G15/18
    • G03G15/346G03G2215/0639G03G2215/0643G03G2215/0869
    • A developer carrying device is provided with a group of carrying electrodes configured to form a traveling wave field as voltages are sequentially applied thereto, charged developer being carried by an effect of the traveling wave field, a developer carrying member having a surface on which the group of carrying electrodes are arranged, and a plurality of leveling electrodes provided above the surface and configured to form electric fields in a direction substantially along the surface, the plurality of leveling electrodes being needle like electrodes extending in a direction intersecting with the surface, the plurality of leveling electrodes being spaced from each other in a direction along the surface and intersecting with a direction in which the developer is carried.
    • 显影剂承载装置设置有一组承载电极,其被配置为随着电压被顺序地施加到其上而形成行波场,带电显影剂由行波的作用承载,显影剂承载构件具有表面, 布置有承载电极的多个调平电极,并且设置在所述表面上方并且被构造成在基本上沿着所述表面的方向上形成电场的多个调平电极,所述多个调平电极是在与所述表面相交的方向上延伸的针状电极,所述多个 的平整电极在沿着表面的方向上彼此间隔开并与显影剂携带的方向相交。