发明授权
- 专利标题： Positioning device, shake correcting device and electronics
- 专利标题（中）： 定位装置，振动校正装置和电子装置
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申请号： US11812176申请日： 2007-06-15
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公开(公告)号： US08073317B2公开(公告)日： 2011-12-06
- 发明人: Kenichi Kitano
- 申请人： Kenichi Kitano
- 申请人地址： JP Tokyo
- 专利权人： Nikon Corporation
- 当前专利权人： Nikon Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Oliff & Berridge, PLC
- 优先权： JP2006-173058 20060622
- 主分类号： G03B17/00
- IPC分类号： G03B17/00
摘要：
A positioning device comprising a moving portion provided with a pair of magnets arranged respectively along with a first axis and a second axis, a fixed portion provided to face to the moving portion, and a voice coil motor (VCM) for relatively driving the moving portion and the fixed portion by an electromagnetic action between a coil and a drive magnet provided to each of the moving portion and the fixed portion: wherein one of the magnets is arranged so as to reduce a rotation moment generated by an electromagnetic connection between the other magnet and the voice coil motor.
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