发明名称 |
OPTICAL PICKUP UNIT, APPARATUS FOR RECORDING/REPRODUCING DATA, METHOD FOR CONTROLLING THE APPARATUS, CONTROL METHOD, AND RECORDING MEDIUM |
摘要 |
<p>An optical pickup unit, an apparatus for recording/reproducing data, a control method, and a recording medium are disclosed. Each of the optical pickup unit and the recording/reproducing apparatus includes a near-field lens, and uses a high-refraction lens, conically shaped, to effectively use the near-field. Two lens units are required to be compatible with a conventional recording medium. The lens unit is designed in consideration of a distance between the recording medium and the lens, and the tilt or vibration of the lens units is controlled.</p> |
申请公布号 |
WO2008048023(A2) |
申请公布日期 |
2008.04.24 |
申请号 |
WO2007KR05011 |
申请日期 |
2007.10.12 |
申请人 |
LG ELECTRONICS INC.;SEO, JEONG KYO;CHOI, IN HO;MIN, BYUNG HOON |
发明人 |
SEO, JEONG KYO;CHOI, IN HO;MIN, BYUNG HOON |
分类号 |
G11B7/00;G11B7/09 |
主分类号 |
G11B7/00 |
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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