发明名称 |
High field voice coil motor |
摘要 |
An embodiment of the invention is a particular arrangement of permanent magnets that generates a higher strength and more uniform magnetic field than existing permanent magnet arrangements for a voice coil motor. The permanent magnet arrangement of an embodiment is based on the Halbach arrangement of permanent magnets. The increased magnetic field strength and uniformity allows for a voice coil motor that is both capable of higher frequency actuations as well as more uniform force over the full stroke of the actuation.
|
申请公布号 |
US2005264108(A1) |
申请公布日期 |
2005.12.01 |
申请号 |
US20050127469 |
申请日期 |
2005.05.11 |
申请人 |
DEVANEY THOMAS J;LI CHUN |
发明人 |
DEVANEY THOMAS J.;LI CHUN |
分类号 |
H02K41/00;H02K41/035;(IPC1-7):H02K41/00 |
主分类号 |
H02K41/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|