发明公开
EP1081707A1 Recording medium and reproducing method and apparatus for recording medium
有权
Aufzeichnungsmedium und Wiedergabeverfahren undGerätfürdieses Aufzeichnungsmedium
- 专利标题： Recording medium and reproducing method and apparatus for recording medium
- 专利标题（中）： Aufzeichnungsmedium und Wiedergabeverfahren undGerätfürdieses Aufzeichnungsmedium
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申请号： EP00307105.7申请日： 2000-08-18
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公开(公告)号： EP1081707A1公开(公告)日： 2001-03-07
- 发明人: Sako, Yoichiro, c/o Sony Corporation , Ogawa, Hiroshi, c/o Sony Corporation , Inokuchi, Tatsuya, c/o Sony Corporation
- 申请人： SONY CORPORATION
- 申请人地址： 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo JP
- 专利权人： SONY CORPORATION
- 当前专利权人： SONY CORPORATION
- 当前专利权人地址： 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo JP
- 代理机构： Nicholls, Michael John
- 优先权： JP23205299 19990818
- 主分类号： G11B27/30
- IPC分类号： G11B27/30 ; G11B27/10 ; G11B27/36
摘要：
A recording medium at least having a first recording layer for recording the first infonnation and a second recording layer for recording the second information. A discriminating signal indicating the playback mode is recorded on at least one of the first and second recording layers provided on the recording medium. The discriminating signal indicates a first playback mode for respectively reproducing the first information recorded in the first recording layer and the second information recorded on the second recording layer, or a second playback mode for calculating the first information recorded in the first recording layer and the second information recorded in the second recording layer to generate playback signals. A reproducing method and apparatus for the recording medium are also provided for reproducing the recording medium.
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