发明授权
- 专利标题： Multi-layered optical disk and method of detecting a track
- 专利标题（中）： 多层光盘和轨迹检测方法
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申请号： US10793555申请日： 2004-03-04
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公开(公告)号： US06985427B2公开(公告)日： 2006-01-10
- 发明人: Isao Satoh , Yoshihisa Fukushima , Yuji Takagi , Yasushi Azumatani , Hiroshi Hamasaka
- 申请人： Isao Satoh , Yoshihisa Fukushima , Yuji Takagi , Yasushi Azumatani , Hiroshi Hamasaka
- 申请人地址： JP Osaka-fu
- 专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址： JP Osaka-fu
- 优先权： JP1-283241 19891030
- 主分类号： G11B7/24
- IPC分类号： G11B7/24
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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