发明名称 |
Lens driving device and imaging device |
摘要 |
To enable thrust of a linear actuator comprised of a driving magnet and a drive coil to act in a fixed and stable manner, the present invention is a lens driving device that comprises a driven body supporting an optical lens capable of freely moving along an optical axis direction, a drive coil fitted to the driven body, and a magnet having a surface set so as to have a prescribed gap with the moving drive coil, wherein a gap between the surface of the magnet and the drive coil is set in such a manner as to be broader at a central part of a range of movement of the drive coil than at an end part.
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申请公布号 |
US2004234258(A1) |
申请公布日期 |
2004.11.25 |
申请号 |
US20040817850 |
申请日期 |
2004.04.06 |
申请人 |
TAKEI TOMOYA;ORIMO SHINICHI |
发明人 |
TAKEI TOMOYA;ORIMO SHINICHI |
分类号 |
G02B7/04;G02B7/02;G03B3/10;G03B13/14;G03B13/34;H02K41/035;(IPC1-7):G03B13/34 |
主分类号 |
G02B7/04 |
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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