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    • 2. 发明申请
    • LINEAR VIBRATOR AND PRODUCTION METHOD THEREFOR
    • 线性振动器及其生产方法
    • US20150123498A1
    • 2015-05-07
    • US14071291
    • 2013-11-04
    • Hyun-Ki YANGSeong-Kwan OhHyok-Sang AhnSe-Hee Park
    • Hyun-Ki YANGSeong-Kwan OhHyok-Sang AhnSe-Hee Park
    • H02K33/00H02K15/00
    • H02K33/16H02K1/18Y10T29/49009
    • Disclosed herein is a vibration generator which is used to embody vibration for signal reception indication or a haptic function of wireless communication devices such as mobile phones. The vibration generator includes a casing which has a space therein, a stator which is provided in the casing and is provided with a coil along which current flows, a vibrator which is provided in the casing and is horizontally moved by electromagnetic force, an elastic body which is fixed at a first end thereof to the casing and fixed at a second end thereof to the vibrator, and a residual vibration reducer which is provided between the vibrator and the casing to absorb vibration of the vibrator. Therefore, after the vibration of the vibrator is stopped, the time it takes to stop movement of the vibrator can be markedly reduced.
    • 这里公开了一种振动发生器,其用于实现信号接收指示的振动或诸如移动电话的无线通信设备的触觉功能。 振动发生器包括壳体,其中具有空间,定子被设置在壳体中并且设置有电流流过的线圈,设置在壳体中并通过电磁力水平移动的振动器,弹性体 其固定在壳体的第一端并固定在振动器的第二端,并且设置在振动器和壳体之间以吸收振动器的振动的残余减振器。 因此,在振动器的振动停止之后,可以显着降低振动器停止运动所花费的时间。
    • 6. 发明授权
    • Step motor
    • 步进电机
    • US09135946B1
    • 2015-09-15
    • US14645649
    • 2015-03-12
    • Hyun-Ki YangSeong-Kwan OhHyok-Sang AhnSe-Hee Park
    • Hyun-Ki YangSeong-Kwan OhHyok-Sang AhnSe-Hee Park
    • G11B19/20
    • G11B19/2009G01D5/145G02B7/08G11B7/1372H02P8/005H02P8/34
    • The present invention relates to a PM (Pulse-Width Modulation) type step motor used for conveying an optical pickup lens of media devices or a mobile camera lens. In detail, the present invention relates to a step motor that is composed of a stator, a rotor rotating by interacting with the stator, a lead screw combined with the rotor and rotating with the rotation of the rotor, and a bearing supporting the lead screw and which can perform precise conveying because it can perform fine adjustment and of which the operation state can be precisely sensed by having a position correcting unit that moves the lead screw to a desired position by finely moving it while contracting and stretching and a rotation sensing unit that is disposed at a side of the rotor or a rotary member rotating with the rotor and senses rotation of the rotor.
    • 本发明涉及用于传送媒体设备或移动摄像机镜头的光学拾取镜头的PM(脉宽调制)型步进电机。 详细地说,本发明涉及一种步进马达,它由定子,通过与定子相互旋转的转子,与转子组合的导螺杆与转子的旋转一起旋转,以及支承导螺杆 并且能够执行精确的输送,因为它可以进行精细调节,并且通过具有位置校正单元可以精确地感测操作状态,该位置校正单元通过在收缩和细长的同时微细地移动导螺杆而移动到期望位置,旋转感测单元 其设置在转子的一侧或与转子一起旋转并感测转子的旋转的旋转部件。