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    • 22. 发明授权
    • Developing device and image forming apparatus having the same
    • 显影装置及其成像装置
    • US07920804B2
    • 2011-04-05
    • US12426412
    • 2009-04-20
    • Yukihiro MoriMitsuhiro Hashimoto
    • Yukihiro MoriMitsuhiro Hashimoto
    • G03G15/08G03G21/20
    • G03G21/206G03G15/0887G03G15/0891
    • A developing device according to the present invention includes a developer storing section storing a developer, a stirring member disposed in the developer storing section and transporting the developer while stirring the developer, a developer carrier receiving the developer from the developer storing section and carrying the developer, a developer regulating member regulating the amount of the developer received by the developer carrier from the developer storing section, and a heat-dissipating member disposed at a position in contact with the developer and capable of dissipating heat of the developer. The heat-dissipating member has a surface in contact with the developer and the contact surface of the heat-dissipating member has an arithmetic surface roughness Ra1 that is set to be equal to or less than ⅓ of the volume average particle size of toner particles contained in the developer.
    • 根据本发明的显影装置包括存储显影剂的显影剂存储部分,设置在显影剂存储部分中并在搅拌显影剂的同时运送显影剂的搅拌部件,从显影剂储存部分接收显影剂并携带显影剂的显影剂载体 显影剂调节构件,其调节由显影剂载体从显影剂储存部分接收的显影剂的量;以及散热构件,其布置在与显影剂接触的位置并且能够散发显影剂的热量。 散热构件具有与显影剂接触的表面,并且散热构件的接触表面具有设定为等于或小于包含的调色剂颗粒的体积平均粒径的1/3的算术表面粗糙度Ra1 在开发商
    • 24. 发明授权
    • Image forming apparatus having a toner carrying member
    • 图像形成装置具有调色剂承载构件
    • US07444091B2
    • 2008-10-28
    • US11335483
    • 2006-01-20
    • Akira MatayoshiMitsuhiro Hashimoto
    • Akira MatayoshiMitsuhiro Hashimoto
    • G03G15/00
    • G03G15/5058G03G2215/00059
    • The difference between the light reception output signals representing the amounts of regularly and irregularly reflected light as measured, with optical detecting means that can measure the amount of regularly and irregularly reflected light simultaneously, when no toner is adhered to a transfer belt is set as a reference value, a corrected output value is calculated by correcting, based on the reference value, the difference between the light reception output signals representing the amounts of regularly and irregularly reflected light as measured when a toner image is formed, and the amount of toner adhered to the transfer belt is calculated based on the corrected output value. With transfer belts of different colors, if their surface gloss is equal to or lower than a predetermined value, the relationship between the coverage ratio and the toner adhesion amount remains approximately identical. Thus, when a transfer belt whose initial surface gloss is equal to or lower than 20 at a measurement angle of 60 degrees, the amount of toner adhered can be measured precisely until the expiration of the warranted use period of the belt.
    • 当没有调色剂粘附到转印带上时,表示测量的规则和不规则反射光量的光接收输出信号之间的差异与可以同时测量规则和不规则反射光的量的光学检测装置被设置为 基于参考值,通过基于参考值校正表示形成调色剂图像时测量的规则和不规则反射光的量的光接收输出信号与粘附的调色剂的量之间的差来计算校正的输出值 基于校正的输出值计算转印带。 对于不同颜色的转印带,如果其表面光泽度等于或低于预定值,则覆盖率和调色剂附着量之间的关系保持大致相同。 因此,当初始表面光泽度在60度的测量角度下等于或低于20°的转印带时,可以精确地测量附着的调色剂的量,直到带的使用期限期满。
    • 25. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07406282B2
    • 2008-07-29
    • US11827273
    • 2007-07-11
    • Hiroshi InuiAkira MatayoshiMitsuhiro Hashimoto
    • Hiroshi InuiAkira MatayoshiMitsuhiro Hashimoto
    • G03G15/01
    • G03G15/0131G03G15/161G03G15/1615G03G2215/0132G03G2215/0158G03G2215/1623
    • Disclosed is an image forming apparatus, which comprises an intermediate transfer belt (15), and a plurality of image-forming units (11) to (14) disposed along the intermediate transfer belt (15) and adapted to form toner images of different colors and sequentially transfer the toner images onto the intermediate transfer belt (15) in a superimposed manner so as to form a color toner image. The intermediate transfer belt (15) is laid across a drive roller (16), a driven roller (17) and a tension roller (18), in a tensioned condition. A rotation speed of the tension roller (18) adapted to apply a tension to the intermediate transfer belt (15) is detected to obtain a linear speed of the intermediate transfer belt (15). In a process of color-misregistration correction, a write-start timing for each toner image of the colors is adjusted based on the linear speed of the intermediate transfer belt (15).
    • 公开了一种图像形成装置,其包括中间转印带(15)和沿着中间转印带(15)设置并适于形成不同颜色的调色剂图像的多个图像形成单元(11)至(14) 并且以叠加的顺序将调色剂图像顺序地转印到中间转印带(15)上,以形成彩色调色剂图像。 在张紧状态下,中间转印带(15)横跨驱动辊(16),从动辊(17)和张紧辊(18)。 检测适于向中间转印带(15)施加张力的张紧辊(18)的旋转速度,以获得中间转印带(15)的线速度。 在颜色不对齐校正的过程中,基于中间转印带(15)的线速调整颜色的每个调色剂图像的写入开始时刻。
    • 26. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20070258736A1
    • 2007-11-08
    • US11827273
    • 2007-07-11
    • Hiroshi InuiAkira MatayoshiMitsuhiro Hashimoto
    • Hiroshi InuiAkira MatayoshiMitsuhiro Hashimoto
    • G03G15/01
    • G03G15/0131G03G15/161G03G15/1615G03G2215/0132G03G2215/0158G03G2215/1623
    • Disclosed is an image forming apparatus, which comprises an intermediate transfer belt (15), and a plurality of image-forming units (11) to (14) disposed along the intermediate transfer belt (15) and adapted to form toner images of different colors and sequentially transfer the toner images onto the intermediate transfer belt (15) in a superimposed manner so as to form a color toner image. The intermediate transfer belt (15) is laid across a drive roller (16), a driven roller (17) and a tension roller (18), in a tensioned condition. A rotation speed of the tension roller (18) adapted to apply a tension to the intermediate transfer belt (15) is detected to obtain a linear speed of the intermediate transfer belt (15). In a process of color-misregistration correction, a write-start timing for each toner image of the colors is adjusted based on the linear speed of the intermediate transfer belt (15).
    • 公开了一种图像形成装置,其包括中间转印带(15)和沿着中间转印带(15)设置并适于形成不同颜色的调色剂图像的多个图像形成单元(11)至(14) 并且以叠加的顺序将调色剂图像顺序地转印到中间转印带(15)上,以形成彩色调色剂图像。 在张紧状态下,中间转印带(15)横跨驱动辊(16),从动辊(17)和张紧辊(18)。 检测适于向中间转印带(15)施加张力的张紧辊(18)的旋转速度,以获得中间转印带(15)的线速度。 在颜色不对齐校正的过程中,基于中间转印带(15)的线速调整颜色的每个调色剂图像的写入开始时刻。
    • 28. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20060165425A1
    • 2006-07-27
    • US11335483
    • 2006-01-20
    • Akira MatayoshiMitsuhiro Hashimoto
    • Akira MatayoshiMitsuhiro Hashimoto
    • G03G15/00
    • G03G15/5058G03G2215/00059
    • The difference between the light reception output signals representing the amounts of regularly and irregularly reflected light as measured, with optical detecting means that can measure the amount of regularly and irregularly reflected light simultaneously, when no toner is adhered to a transfer belt is set as a reference value, a corrected output value is calculated by correcting, based on the reference value, the difference between the light reception output signals representing the amounts of regularly and irregularly reflected light as measured when a toner image is formed, and the amount of toner adhered to the transfer belt is calculated based on the corrected output value. With transfer belts of different colors, if their surface gloss is equal to or lower than a predetermined value, the relationship between the coverage ratio and the toner adhesion amount remains approximately identical. Thus, when a transfer belt whose initial surface gloss is equal to or lower than 20 at a measurement angle of 60 degrees, the amount of toner adhered can be measured precisely until the expiration of the warranted use period of the belt.
    • 当没有调色剂粘附到转印带上时,表示测量的规则和不规则反射光量的光接收输出信号之间的差异与可以同时测量规则和不规则反射光的量的光学检测装置被设置为 基于参考值,通过基于参考值校正表示形成调色剂图像时测量的规则和不规则反射光的量的光接收输出信号与粘附的调色剂的量之间的差来计算校正的输出值 基于校正的输出值计算转印带。 对于不同颜色的转印带,如果其表面光泽度等于或低于预定值,则覆盖率和调色剂附着量之间的关系保持大致相同。 因此,当初始表面光泽度在60度的测量角度下等于或低于20°的转印带时,可以精确地测量附着的调色剂的量,直到带的使用期限期满。