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    • 73. 发明授权
    • Image forming method and toner for use in the method
    • 用于该方法的图像形成方法和调色剂
    • US07150954B2
    • 2006-12-19
    • US11002218
    • 2004-12-03
    • Mitsuo AokiKumi HasegawaToshiaki HigayaYasushi KoichiYutaka TakahashiTadashi Kasai
    • Mitsuo AokiKumi HasegawaToshiaki HigayaYasushi KoichiYutaka TakahashiTadashi Kasai
    • G03G9/087G03G9/097
    • G03G9/08797G03G9/0819G03G9/0821G03G9/08755G03G9/08793G03G9/08795G03G13/20
    • An image forming method, comprising passing a toner image-bearing sheet through a nip defined between two rollers including a heater roller to fix the toner image on the sheet, wherein the toner image is formed from a toner comprising a binder resin, and a colorant, wherein the toner image before the passage through the nip has a toner volume V1 and a toner image area S1, wherein the toner image after the passage through the nip has a toner volume V2 and a toner image area S2, and wherein a volume change Vt and an area change St defined by the formulas shown below are 30% or less and 20% or less, respectively: Vt(%)=(V1−V2)/V1×100 St(%)=(S2−S1)/S1×100. Alternatively, the toner image before the passage through the nip has a surface roughness of 2.5 μm or less.
    • 一种图像形成方法,包括使调色剂承载片材通过在包括加热辊的两个辊之间限定的辊隙以将调色剂图像定影在片材上,其中调色剂图像由包含粘合剂树脂的调色剂和着色剂形成 其中通过所述压区的所述调色剂图像具有调色剂体积V 1和调色剂图像区域S1,其中通过所述辊隙的调色剂图像具有调色剂体积V 2和调色剂图像面积S 2,并且 其中由下面所示的公式定义的体积变化量Vt和面积变化量St分别为30%以下且20%以下。<?in-line-formula description =“In-line Formulas”end =“lead”? > Vt(%)=(V1-V2)/ V1x100 <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas end =“lead”?> St(%)=(S2-S1)/ S1x100 <?in-line-formula description =“In-line formula”end =“tail”?>或者,通过前的调色剂图像 通过辊隙表面粗糙 年龄在2.5岁以下。
    • 75. 发明授权
    • Control apparatus for brushless DC motor
    • 无刷直流电机控制装置
    • US07064504B2
    • 2006-06-20
    • US10846932
    • 2004-05-17
    • Nobuyuki ImaiYutaka TakahashiMasato Miyauchi
    • Nobuyuki ImaiYutaka TakahashiMasato Miyauchi
    • H02P21/12H02P21/13H02P21/00
    • B60L15/025B60L11/14H02P6/18H02P21/18H02P2207/05Y02T10/643Y02T10/70Y02T10/7077
    • A control apparatus for a brushless DC motor that rotatably drives the brushless DC motor including a rotor having a permanent magnet, and a stator having stator windings of a plurality of phases that generate a rotating magnetic field for rotating the rotor, by a current passage switching device constituted by a plurality of switching elements and performing successive commutation of current to the stator windings. The control apparatus includes: an angular error calculation device for calculating a sine value and a cosine value of an angular difference between an estimated rotation angle with respect to the rotation angle of the rotor and an actual rotation angle, based on a line voltage that is a difference between phase voltages of the plurality of phases on an input side of the stator winding and phase currents of the plurality of phases; and an observer for calculating the rotation angle of the rotor based on the sine value and the cosine value of the angular difference.
    • 一种用于无刷直流电动机的控制装置,其可旋转地驱动包括具有永磁体的转子的无刷直流电动机和定子,其具有通过电流通路切换产生旋转磁场的多相的定子绕组 器件由多个开关元件构成并且对定子绕组执行电流的连续换向。 控制装置包括:角度误差计算装置,用于基于线电压计算相对于转子的旋转角度的估计旋转角度与实际旋转角度之间的角度差的正弦值和余弦值 定子绕组的输入侧的多相的相电压和多相的相电流之间的差; 以及用于基于正弦值和角度差的余弦值来计算转子的旋转角度的观察器。