发明申请
- 专利标题： Aberration correcting device and optical recording medium reproducing apparatus
- 专利标题（中）： 畸变校正装置和光记录介质再现装置
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申请号： US10916452申请日： 2004-08-12
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公开(公告)号： US20050047311A1公开(公告)日： 2005-03-03
- 发明人: Makoto Sato , Masakazu Ogasawara
- 申请人： Makoto Sato , Masakazu Ogasawara
- 专利权人： PIONEER CORPORATION
- 当前专利权人： PIONEER CORPORATION
- 优先权： JPP.2003-209416 20030828
- 主分类号： G11B7/09
- IPC分类号： G11B7/09 ; G11B7/00 ; G11B7/125 ; G11B7/135
摘要：
A disk reproducing apparatus for reproducing a disk that is any one of three kinds of disks, BD, DVD and CD, employing a BD objective lens, correct only aberration occurring inside the effective diameter of DVD, and leaves aberration outside the effective diameter, when reproducing DVD. Likewise, the disk reproducing apparatus corrects only aberration occurring inside the effective diameter of CD, and leaves aberration outside the effective diameter, when reproducing CD.
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