发明名称 |
OPTICAL RECORDING MEDIUM, OPTICAL RECORDING DEVICE, AND OPTICAL REPRODUCING DEVICE |
摘要 |
An optical recording medium has a first recording layer, and a second recording layer contiguous to the first recording layer in a laminated direction. A recording operation is performed with respect to the first recording layer and the second recording layer in such a manner that frequency bands of reproducing signals are different from each other.
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申请公布号 |
US2009116360(A1) |
申请公布日期 |
2009.05.07 |
申请号 |
US20080260265 |
申请日期 |
2008.10.29 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
MATSUMURA YOSHIYUKI;TAKAHASHI SEIICHIRO;KOGURE KAZUYA |
分类号 |
G11B3/74 |
主分类号 |
G11B3/74 |
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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