发明授权
- 专利标题: Ultrasonic motor having high drive efficiency
- 专利标题(中): 以高效率的超声波电动机驱动
-
申请号: EP90301410.8申请日: 1990-02-09
-
公开(公告)号: EP0382563B2公开(公告)日: 2001-01-03
- 发明人: Takagi, Tadao , Saya, Daisuke , Nemoto, Shigehisa
- 申请人: NIKON CORPORATION
- 申请人地址: 2-3, Marunouchi 3-chome, Chiyoda-Ku, Tokyo JP
- 专利权人: NIKON CORPORATION
- 当前专利权人: NIKON CORPORATION
- 当前专利权人地址: 2-3, Marunouchi 3-chome, Chiyoda-Ku, Tokyo JP
- 代理机构: Burke, Steven David
- 优先权: JP3208589 19890210; JP5071189 19890301; JP24037589 19890916; JP26579389 19891012; JP33229989 19891221
- 主分类号: H01L41/09
- IPC分类号: H01L41/09
公开/授权文献
- EP0382563B1 Ultrasonic motor having high drive efficiency 公开/授权日:1997-06-18
信息查询
IPC分类: