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    • 7. 发明授权
    • Electric motor drive control apparatus
    • 电动机驱动控制装置
    • US08339076B2
    • 2012-12-25
    • US12662882
    • 2010-05-10
    • Takeshi AokiSubrata Saha
    • Takeshi AokiSubrata Saha
    • H02P6/16
    • H02P6/16G01D5/24452H02P6/15
    • An electric motor drive control apparatus includes a detection angle obtaining section that obtains the detection angle of the resolver; a correction information storage section that stores correction information for correcting the detection angle, in association with a modulation ratio that is a ratio of an effective value of a fundamental wave component of the AC voltage to the system voltage; and a detection angle correcting section that obtains the correction information from the correction information storage section, based on the modulation ratio at the time the detection angle obtaining section obtains the detection.
    • 一种电动机驱动控制装置,包括获取旋转变压器的检测角度的检测角取得部, 校正信息存储部分,其与作为交流电压的基波分量的有效值与系统电压的比率的调制比相关联地存储用于校正检测角度的校正信息; 以及检测角度校正部,其基于检测角度获取部获取检测时的调制率,从校正信息存储部获取校正信息。
    • 8. 发明授权
    • Optical disc apparatus
    • 光盘装置
    • US08208352B2
    • 2012-06-26
    • US12625477
    • 2009-11-24
    • Takeshi AokiTakashi Miyamoto
    • Takeshi AokiTakashi Miyamoto
    • G11B7/00
    • G11B7/08582
    • An optical disc apparatus comprising: a spindle motor configured to drive a turntable on which an optical disc is loaded to rotate; a first substrate on which a first support member rotatably supporting a rotation shaft of the spindle motor is fixed, and on which a second support member is formed at a position adjacent to the spindle motor; a second substrate; an optical pickup device; and a guide member configured to guide the optical pickup device in a radial direction of the optical disc loaded on the turntable, one end of the guide member being supported by the second support member on the first substrate and fixed to a fixing member on the second substrate, and the other end of the guide member being fixed to the fixing member on the second substrate.
    • 一种光盘装置,包括:主轴电动机,被配置为驱动其上装载有光盘的转盘; 第一基板,固定有可旋转地支撑所述主轴电动机的旋转轴的第一支撑构件,并且在与所述主轴电动机相邻的位置处形成有第二支撑构件; 第二基板; 光拾取装置; 以及引导构件,其构造成沿着装载在所述转台上的光盘的径向方向引导所述光学拾取装置,所述引导构件的一端由所述第二支撑构件支撑在所述第一基板上,并且固定到所述第二基板上的固定构件 基板,并且引导构件的另一端固定到第二基板上的固定构件。