发明名称 |
Multi-layered optical disk with shifted track and layer identification and method of detecting a track |
摘要 |
A multi-layered optical disk comprising a plurality of recording layers accumulated in the thickness direction wherein a light beam is focused on one of tracks of one of the layers thereby to record and reproduce data, the optical disk being characterized in that recording layers each have an identification section storing an address of the recording layer which the identification section belongs to.
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申请公布号 |
US5764620(A) |
申请公布日期 |
1998.06.09 |
申请号 |
US19960740789 |
申请日期 |
1996.11.01 |
申请人 |
MATSUSHITA ELECTRIC CO. |
发明人 |
SATOH, ISAO;FUKUSHIMA, YOSHIHISA;TAKAGI, YUJI;AZUMATANI, YASUSHI;HAMASAKA, HIROSHI |
分类号 |
G11B7/00;G11B7/004;G11B7/007;G11B7/085;G11B7/09;G11B7/24;G11B7/26;(IPC1-7):G11B7/24 |
主分类号 |
G11B7/00 |
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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