发明名称 |
Vibrating device for axially vibrating a movable member |
摘要 |
A cup-shaped yoke is axially movably provided in a cylindrical frame, and a cylindrical permanent magnet is securely provided in the yoke. A coil bobbin is cantilevered in the frame and inserted in a space between the yoke and the permanent magnet, and a driving coil is mounted on the coil bobbin. The yoke is held by a pair of coil springs for resiliently holding the yoke in the frame.
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申请公布号 |
US2003164647(A1) |
申请公布日期 |
2003.09.04 |
申请号 |
US20020282232 |
申请日期 |
2002.10.29 |
申请人 |
CITIZEN ELECTRONICS CO., LTD. |
发明人 |
KOBAYASHI TAKASHI;TOHYAMA MASAKI;AIHARA KENSHI;NIKAIDO AKIRA;MIYAMOTO KAZUMI;MIURA NAOKI |
分类号 |
H02K33/02;(IPC1-7):H02K41/00 |
主分类号 |
H02K33/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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