发明名称 |
Optical disk medium and signal reproduction method |
摘要 |
An optical disc medium according to the present invention includes at least one zone on which multiple track grooves are formed in a CAV format. Each of the track grooves has a wobbling structure made up of a fundamental wave having a single period. Information is recorded on the wobbling structure. In the at least one zone, the fundamental waves that make up the respective wobbling structures of mutually adjacent ones of the track grooves always have their phases shifted from each other by 90 degrees. As a result, the information recorded on the wobbling structure can be detected without being affected by crosstalk. <IMAGE> |
申请公布号 |
AU9596501(A) |
申请公布日期 |
2002.04.29 |
申请号 |
AU20010095965 |
申请日期 |
2001.10.18 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SHIGERU FURUMIYA;ATSUSHI NAKAMURA;HIROMICHI ISHIBASHI;TAKASHI ISHIDA |
分类号 |
G11B7/005;G11B7/007;G11B7/24038;G11B7/24082;G11B7/26;G11B27/19;G11B27/24;G11B27/30 |
主分类号 |
G11B7/005 |
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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