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发明名称
Optical pickup and information device
摘要
An optical pickup for irradiating an information recording medium, such as a DVD, with a laser beam when an information signal is recorded or reproduced, and information equipment provided with the optical pickup.
申请公布号
US8014256(B2)
申请公布日期
2011.09.06
申请号
US20070295049
申请日期
2007.03.29
申请人
PIONEER CORPORATION
发明人
YANAGAWA NAOHARU;IZAWA MASATAKA
分类号
G11B7/00;G11B7/135
主分类号
G11B7/00
代理机构
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