| 发明名称 |
Recording medium, Signal recording method and apparatus and signal reproducing apparatus |
| 摘要 |
As pit patterns a pattern A and a pattern B are prepared. The adjacent tracks are made to have different embossed pit patterns.
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| 申请公布号 |
US2002136125(A1) |
申请公布日期 |
2002.09.26 |
| 申请号 |
US20010953924 |
申请日期 |
2001.09.18 |
| 申请人 |
KOJIMA TADASHI;SATO HIROHARU |
发明人 |
KOJIMA TADASHI;SATO HIROHARU |
| 分类号 |
G11B20/12;G11B7/00;G11B7/0045;G11B7/0055;G11B7/007;G11B20/18;(IPC1-7):G11B7/00 |
主分类号 |
G11B20/12 |
| 代理机构 |
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代理人 |
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