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    • 5. 发明授权
    • Miniature motor and method for manufacturing the same
    • 微型电动机及其制造方法
    • US06568066B2
    • 2003-05-27
    • US09892029
    • 2001-06-26
    • Kenji FuruyaToshiya YuiKazuaki TakayamaHiroshi Otsubo
    • Kenji FuruyaToshiya YuiKazuaki TakayamaHiroshi Otsubo
    • H02K348
    • H02K15/0018H02K1/24H02K15/024H02K15/06H02K29/03H02K2201/03Y10T29/49012
    • A miniature motor includes: a plurality of magnets serving as stator poles and attached to an inner surface of a motor casing having a closed-bottomed cylindrical shape; a salient-pole rotor having a core mounted on a rotor shaft and windings placed on the core; and a commutator mounted on the rotor shaft. The core includes a center portion having a hole formed therein at the center for engagement with the rotor shaft, a plurality of leg portions extending integrally and radially from the center portion in equal number with the salient poles, and a plurality of wing portions, each extending integrally and symmetrically from an end of each of the leg portions. The core includes core laminations blanked from sheet steel and assembled together and is formed through deformation of the entire wing portions such that the radius of a circumcircle of the core coincides with a designed final radius of curvature of outer circumferential surfaces of the salient poles of the rotor.
    • 微型电动机包括:多个用作定子极的磁体,并且附接到具有闭合圆筒形状的电动机壳体的内表面; 具有安装在转子轴上的芯和放置在芯上的绕组的凸极转子; 以及安装在转子轴上的换向器。 该芯部包括:中心部,其中央形成有与转子轴接合的中心部;多个支腿部,与中心部分一体地延伸,与凸极相等数量;以及多个翼部, 从每个腿部的端部整体地和对称地延伸。 芯部包括从薄钢板冲切并组装在一起的芯片,并且通过整个翼部的变形而形成,使得芯的外接圆的半径与设计的最终的曲面半曲率一致。 转子。
    • 6. 发明授权
    • Miniature motor and method for manufacturing the same
    • 微型电动机及其制造方法
    • US06376963B1
    • 2002-04-23
    • US09545702
    • 2000-04-06
    • Kenji FuruyaToshiya YuiKazuaki TakayamaHiroshi Otsubo
    • Kenji FuruyaToshiya YuiKazuaki TakayamaHiroshi Otsubo
    • H02K1106
    • H02K15/0018H02K1/24H02K15/024H02K15/06H02K29/03H02K2201/03Y10T29/49012
    • A miniature motor includes: a plurality of magnets serving as stator poles and attached to an inner surface of a motor casing having a closed-bottomed cylindrical shape; a salient-pole rotor having a core mounted on a rotor shaft and windings placed on the core; and a commutator mounted on the rotor shaft. The core includes a center portion having a hole formed therein at the center for engagement with the rotor shaft, a plurality of leg portions extending integrally and radially from the center portion in equal number with the salient poles, and a plurality of wing portions, each extending integrally and symmetrically from an end of each of the leg portions. The core comprises core laminations blanked from sheet steel and assembled together and is formed through deformation of the entire wing portions such that the radius of a circumcircle of the core coincides with a designed final radius of curvature of outer circumferential surfaces of the salient poles of the rotor.
    • 微型电动机包括:多个用作定子极的磁体,并且附接到具有闭合圆筒形状的电动机壳体的内表面; 具有安装在转子轴上的芯和放置在芯上的绕组的凸极转子; 以及安装在转子轴上的换向器。 该芯部包括:中心部,其中央形成有与转子轴接合的中心部;多个支腿部,与中心部分一体地延伸,与凸极相等数量;以及多个翼部, 从每个腿部的端部整体地和对称地延伸。 芯部包括从薄钢板冲切并组装在一起的芯片,并且通过整个翼部的变形而形成,使得芯的外接圆的半径与设计的圆极的外圆周表面的设计的最终曲率半径重合 转子。
    • 8. 发明授权
    • Apparatus for controlling rotation of disk player
    • 用于控制盘播放器旋转的装置
    • US5270992A
    • 1993-12-14
    • US854294
    • 1992-03-19
    • Shigeru YasudaNobuhiro SuzukiHiroshi Otsubo
    • Shigeru YasudaNobuhiro SuzukiHiroshi Otsubo
    • G11B19/28G11B19/247G11B3/90
    • G11B19/247
    • An apparatus for controlling rotation of a spindle motor includes a lock detection unit, a memory unit, a comparison unit, and a control unit. When the lock detection unit detects the lock state of the time base servo loop, a voltage corresponding to the frequency of a read RF signal is stored in the memory unit. When the control unit detects that the rotation velocity of the spindle motor greatly deviates from a normal rotation velocity, it effects a control so as to accelerate or decelerate the spindle motor in dependency upon a compared result of the comparison unit which makes a comparison between a voltage corresponding to the frequency of the read RF signal and a voltage stored in the memory unit.
    • 用于控制主轴电动机的旋转的装置包括锁定检测单元,存储单元,比较单元和控制单元。 当锁定检测单元检测到时基伺服环路的锁定状态时,与读取的RF信号的频率相对应的电压被存储在存储单元中。 当控制单元检测到主轴电动机的旋转速度大大偏离正常转速时,其进行控制,以便根据比较单元的比较结果来加速或减速主轴电动机,该比较单元进行比较 对应于读取RF信号的频率的电压和存储在存储器单元中的电压。
    • 9. 发明授权
    • Compatible disk player for playing multi-size disks and having a mode
for selecting one disk type
    • 用于播放多尺寸磁盘的兼容磁盘播放器,并具有选择一种磁盘类型的模式
    • US5172354A
    • 1992-12-15
    • US582038
    • 1990-09-13
    • Hiroshi Otsubo
    • Hiroshi Otsubo
    • G11B17/04G11B7/00G11B7/0037G11B7/004G11B7/085G11B17/054G11B19/00G11B19/12G11B19/16
    • G11B19/00G11B19/12G11B19/16G11B7/0037
    • The present invention relates to a compatible disk player, which is capable of playing compact disk CD or laser disk LD. More specifically, the disk player of the present invention reduces the delay time between loading and actually playing a disk. It includes a manual switch on the disk player, from which a person may select the type of disk to play, thereby decreasing the time needed to determine which type of disk is entered. If the CD mode is selected or the last disk to be played was a CD, the player pick-up is placed in the initial playing position of the CD before a disk is entered. After entering a disk, if it determines that an LD is loaded or the CD mode is cancelled (by the manual switch) the pick-up is moved to a ready position for the LD. By including a manual switch and circuitry which assumes the next disk type is the same as the last, the present invention reduces the time needed to determine which type of disk is loaded.
    • 本发明涉及能够播放光盘CD或激光盘LD的兼容盘播放器。 更具体地,本发明的盘播放器减少了加载和实际播放盘之间的延迟时间。 它包括磁盘播放器上的手动开关,人从中可以选择要播放的磁盘的类型,从而减少确定输入哪种类型的磁盘所需的时间。 如果选择了CD模式或要播放的最后一张光盘是CD,则在输入光盘之前,播放器拾取器将放置在CD的初始播放位置。 进入磁盘后,如果确定装载了LD,或者通过手动切换取消了CD模式,则将拾取器移动到LD的就绪位置。 通过包括假设下一个磁盘类型与最后一个磁盘类型相同的手动开关和电路,本发明减少了确定哪种类型的磁盘被加载所需的时间。