发明名称 |
PLAYBACK DEVICE |
摘要 |
A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal. |
申请公布号 |
EP3023986(A1) |
申请公布日期 |
2016.05.25 |
申请号 |
EP20140825639 |
申请日期 |
2014.04.08 |
申请人 |
SHARP KABUSHIKI KAISHA;MEMORY-TECH HOLDINGS INC. |
发明人 |
TAJIMA, HIDEHARU;YAMAMOTO, MASAKI;YAMADA, HIROHISA;NAKA, TAKAYUKI;KONISHI, MASAHITO |
分类号 |
G11B7/126;G11B7/005;G11B7/1392 |
主分类号 |
G11B7/126 |
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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