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    • 97. 发明申请
    • MOTOR AND ELECTRONIC APPARATUS USING THE SAME
    • 使用它的电动机和电子设备
    • US20100327691A1
    • 2010-12-30
    • US12813201
    • 2010-06-10
    • Yuichi YoshikawaHiroaki KawasakiKenji SugiuraHiroshi UedaHiroki Asai
    • Yuichi YoshikawaHiroaki KawasakiKenji SugiuraHiroshi UedaHiroki Asai
    • H02K1/27
    • H02K29/03H02K1/146H02K1/2786
    • A stator 13 on whose outer circumference a plurality of magnetic poles 13a are arranged is mounted on a substrate 11, and a rotor 14 is rotatably disposed around the stator. The inner circumferential face of the rotor is provided with a magnet 15 magnetized to have alternately opposite polarities in a direction opposing the stator, and magnetized to have alternately opposite polarities in a direction opposing the substrate. The outer circumferential ends of the magnetic poles of the stator are provided with a first extended portion 13c that extends from a magnetic pole base 13d to the substrate side, and a second extended portion 13b that extends from the magnetic pole base to a side opposite the substrate side. A face of the substrate opposing the rotor is provided with a FG pattern 19 outside the outer circumferential face of the stator such that the FG pattern opposes the magnet. Accordingly, it is possible to improve the precision in detecting the rotational speed by reducing noise superimposed on the FG signal, while securing a high driving efficiency.
    • 在其外周配置有多个磁极13a的定子13安装在基板11上,并且转子14围绕定子可旋转地设置。 转子的内周面设置有磁体15,磁体15在与定子相对的方向上具有相反的极性,并且在与基板相对的方向上被磁化成具有相反的极性。 定子的磁极的外周端设置有从磁极基部13d延伸到基板侧的第一延伸部13c和从磁极基部延伸到与磁极基部相反的一侧的第二延伸部13b 衬底侧。 与转子相对的基板的表面在定子的外周面的外侧设置有FG图案19,使得FG图案与磁体相对。 因此,在确保高驱动效率的同时,通过降低叠加在FG信号上的噪音来提高检测转速的精度。
    • 98. 发明申请
    • CLEANING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
    • 清洁装置,图像形成装置和处理盒
    • US20100003052A1
    • 2010-01-07
    • US12490543
    • 2009-06-24
    • Hiroki NakamatsuKenji SugiuraNaomi SugimotoOsamu NaruseHidetoshi Yano
    • Hiroki NakamatsuKenji SugiuraNaomi SugimotoOsamu NaruseHidetoshi Yano
    • G03G15/20
    • G03G21/0023G03G21/0017G03G21/0035G03G21/007
    • A cleaning device including a conductive member configured to charge powder remaining on a member to be cleaned so as to have a single polarity and configured to scrape off at least part of the powder, and disposed to contact with the member to be cleaned; a cleaning member configured to electrically adsorb the powder present on the member to be cleaned, disposed to contact with the member to be cleaned and located downstream of the conductive member in a direction in which the powder is conveyed thereon; a first recovering member configured to electrically adsorb the powder present on the cleaning member and disposed to contact with the cleaning member; and a second recovering member configured to scrape off the powder from the first recovering member and disposed to contact with the first recovering member, wherein the conductive member is constant-current controlled.
    • 一种清洁装置,包括导电构件,其被配置为对待清洁的构件上剩余的粉末进行充电以具有单一极性并且构造成刮除至少一部分粉末,并且设置成与要清洁的构件接触; 清洁部件,被配置为电吸附存在于待清洁部件上的粉末,所述粉末设置成与所述待清洁部件接触并且位于所述导电部件的下游,所述粉末被传送到所述清洁部件的方向上; 第一回收构件,被配置为电吸附存在于所述清洁构件上并且被设置为与所述清洁构件接触的粉末; 以及第二回收部件,其被配置为从所述第一回收部件刮除所述粉末并且设置成与所述第一回收部件接触,其中所述导电部件是恒流控制的。
    • 100. 发明申请
    • MOTOR DRIVER
    • 电机驱动器
    • US20090021197A1
    • 2009-01-22
    • US12279404
    • 2007-05-17
    • Kenji SugiuraMasahiro Yasohara
    • Kenji SugiuraMasahiro Yasohara
    • H02P6/06
    • H02P6/06H02P6/153
    • A motor driver according to the invention comprises an energizing unit (20), which supplies drive voltage and drive current to a motor (30) including a moving body and three-phase coils (31), a speed-position detector (40), which detects drive speed of the motor and a position of the moving body to output, as a speed position signal RS, which includes drive-speed information and position information, a reference signal generator (12), which outputs a reference signal CLK for the drive speed, a phase signal generator (11), which uses a speed-position signal RS, a reference signal CLK, and a set signal PA indicative of an optional value to output a phase signal PS indicative of phase of the drive voltage supplied to the coil (31), and a waveforms generator (14), which uses the position information and a phase signal PS to output a control signal to the energizing unit (20). Phase of drive voltage supplied to the coil (31) is regulated so as to be proportional to the drive speed, and degree of the proportion can be set by the set signal PA.
    • 根据本发明的电动机驱动器包括:向包括移动体和三相线圈(31)的马达(30)提供驱动电压和驱动电流的激励单元(20),速度位置检测器(40) 其检测电动机的驱动速度和移动体的输出位置作为速度位置信号RS,其包括驱动速度信息和位置信息,参考信号发生器(12),其输出参考信号CLK 驱动速度,相位信号发生器(11),其使用速度位置信号RS,参考信号CLK和指示可选值的设定信号PA,以输出表示提供给驱动电压的相位的相位信号PS 线圈(31)和波形发生器(14),其使用位置信息和相位信号PS向控制单元(20)输出控制信号。 调节提供给线圈(31)的驱动电压的相位,以便与驱动速度成比例,并且可以通过设定信号PA来设定比例的程度。