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    • 102. 发明申请
    • COMMAND DETECTING DEVICE
    • 指令检测设备
    • US20130214817A1
    • 2013-08-22
    • US13883514
    • 2012-07-30
    • Kenji SugiuraYasushi Kato
    • Kenji SugiuraYasushi Kato
    • H03K5/22
    • H03K5/22H03K5/1254
    • A command detecting device of the present invention includes a comparator, a detection state selector, a time detector, and a detection time switch. The comparator compares a command input from the outside with a certain voltage value and outputs its comparison result as a first state or a second output state. The detection state selector selects an output state that has been determined as a valid output state out of the two output states from the comparator. The time detector measures a duration time of the valid output state and switches the control command when the duration time reaches a given set time. The detection time switch switches the set time for the time detector. The output state selected as the valid output state by the detection state selector is switched by the control command.
    • 本发明的指令检测装置包括比较器,检测状态选择器,时间检测器和检测时间开关。 比较器将来自外部的命令与一定电压值进行比较,并将其比较结果作为第一状态或第二输出状态输出。 检测状态选择器从比较器中选择已被确定为两个输出状态中的有效输出状态的输出状态。 时间检测器测量有效输出状态的持续时间,并在持续时间达到给定设定时间时切换控制命令。 检测时间开关切换时间检测器的设定时间。 由检测状态选择器选择为有效输出状态的输出状态由控制命令切换。
    • 110. 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。