发明名称 Optical pickup apparatus
摘要 An actuator includes an intervention member being interposed between an object lens and a bobbin for supporting the object lens and different from the bobbin in thermal conductivity, thereby preventing an occurrence of degradation of the lens characteristic of the object lens caused by unevenness of the temperature distribution in the object lens due to the heat generated by a coil.
申请公布号 US2004111736(A1) 申请公布日期 2004.06.10
申请号 US20030665363 申请日期 2003.09.22
申请人 PIONEER CORPORATION 发明人 MATSUDA TAKEHIRO
分类号 G11B7/09;G11B7/12;(IPC1-7):G11B7/08;G11B7/085 主分类号 G11B7/09
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