发明名称 |
Eddy attenuating apparatus for an optical pickup assembly and disc drive adopting the same |
摘要 |
An optical pickup assembly having: a pickup base; an actuator installed in the pickup base, and having a blade, on which an objective lens to radiate light onto a disc is mounted; a cover, installed to surround the actuator, and regulating a range of movement of the blade; and an attenuator protruding from an inside of the cover, splitting an eddy current occurring during rotation of the disc into a plurality of small eddy currents, and attenuating a disturbance acting on the blade.
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申请公布号 |
US7296281(B2) |
申请公布日期 |
2007.11.13 |
申请号 |
US20040937256 |
申请日期 |
2004.09.10 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
CHO WON-IK;CHOI MYUNG-RYUL |
分类号 |
G11B7/08;G11B7/09;G11B7/00;G11B7/085;G11B7/12;G11B33/08 |
主分类号 |
G11B7/08 |
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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