发明名称 |
Optical recording medium and reproducing device |
摘要 |
There is provided an optical recording medium enabling a user to surely recognize a hybrid disc regardless of a single format player or multi-format player which is mounted. The optical recording medium includes a first recording layer and a second recording layer having different recording densities. The first recording layer contains management information indicating the existence of the second recording layer. |
申请公布号 |
GB2439224(A) |
申请公布日期 |
2007.12.19 |
申请号 |
GB20070014006 |
申请日期 |
2006.01.25 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
HIROSHI HAMASAKA |
分类号 |
G11B7/007;G11B7/005;G11B7/24;G11B7/24038;G11B20/10;G11B20/12 |
主分类号 |
G11B7/007 |
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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