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    • 8. 发明授权
    • Head drum apparatus
    • 头鼓设备
    • US06369991B1
    • 2002-04-09
    • US09456517
    • 1999-12-08
    • Do-Young ChoiYoung-Ho ChoHyeong-Seok ChoiChung-Hum BaikJun-Young KimSeung-Woo LeeSung-Hee Hong
    • Do-Young ChoiYoung-Ho ChoHyeong-Seok ChoiChung-Hum BaikJun-Young KimSeung-Woo LeeSung-Hee Hong
    • G11B552
    • G11B5/531
    • A head drum apparatus including a lower drum; a stationary shaft pressed and fitted into a center hole of the lower drum; an upper drum rotatably coupled to the stationary shaft via at least one bearing; a rotor magnet secured via a plate to the upper drum; a boss fixed to the top portion of the stationary shaft by a set-screw; a PCB mounted to the boss such that it is opposite to the rotor magnet, the PCB having a pulse generator (“PG”) pattern, a frequency generator (“FG”) pattern, connection patterns and jump patterns formed on one surface thereof, the PG pattern and the FG pattern being connected to the respective connection patterns via the respective jump patterns; and motor stator coils mounted to the PCB, whereby the structure of the motor becomes simpler, the number of the components and the manufacturing steps are reduced, the manufacturing efficiency is enhanced and the productivity thereof is increased.
    • 一种头鼓装置,包括下鼓; 固定轴被压配合到下鼓的中心孔中; 上鼓,其经由至少一个轴承可旋转地联接到所述固定轴; 通过板固定到上鼓的转子磁体; 通过固定螺钉固定到固定轴的顶部的凸台; PCB安装到凸台以使其与转子磁体相对,PCB具有脉冲发生器(“PG”)图案,频率发生器(“FG”)图案,在其一个表面上形成的连接图案和跳跃图案, PG图案和FG图案经由各自的跳跃图案连接到各个连接图案; 以及安装在PCB上的电动机定子线圈,由此电动机的结构变得更简单,部件数量和制造步骤减少,制造效率提高,生产率提高。