| 发明名称 |
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| 摘要 |
A standing-wave type ultrasonic motor comprising a vibration member (1) having projections (1a) which are in drive-transmitting contact with at least one movable member (6); support means (16) for supporting the vibration member (1); and at least one piezo-electric element (2) or electrostrictive element arranged to generate a flexible standing-wave in the vibration member (1) so as to drive the at least one movable member (6) characterised in that the projections (1a) are provided at intermediate positions between the loops and the nodes of the flexible standing-wave. |
| 申请公布号 |
JP2764123(B2) |
申请公布日期 |
1998.06.11 |
| 申请号 |
JP19890110450 |
申请日期 |
1989.04.28 |
| 申请人 |
SEIKOO INSUTSURUMENTSU KK |
发明人 |
KASUGA MASAO;TSUKADA NOBUO;KITAMURA HIROSHI |
| 分类号 |
G04C3/12;H01L41/09;H02N2/00;H02N2/16 |
主分类号 |
G04C3/12 |
| 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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