发明名称 |
Information recording and reproduction method and information recording and reproduction apparatus |
摘要 |
A recording and reproduction method utilized for multilayer optical disks, wherein a light source for the servo layer and a light source for the recording layer are modulated at different frequencies or made to irradiate by time division onto a multilayer optical disk formed from a combination of a plurality of recording layers and one servo layer, so that information from each layer can be separated by even just one optical sensor.
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申请公布号 |
US2006291360(A1) |
申请公布日期 |
2006.12.28 |
申请号 |
US20050209731 |
申请日期 |
2005.08.24 |
申请人 |
MAEDA TAKESHI;TERAO MOTOYASU |
发明人 |
MAEDA TAKESHI;TERAO MOTOYASU |
分类号 |
G11B7/00 |
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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