| 发明名称 |
Method for reproducing information data from a recording medium having dummy data shifted at random |
| 摘要 |
An optical reproducing method adds a dummy signal to at least a leading or trailing side of a recording signal recorded on an information recording medium. The duty ratio of the dummy signal is not greater than 50%, and the recording start position of the combined recording signal and dummy signal is shifted at random.
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| 申请公布号 |
US7068587(B2) |
申请公布日期 |
2006.06.27 |
| 申请号 |
US20050179474 |
申请日期 |
2005.07.13 |
| 申请人 |
HITACHI MAXELL, LTD. |
发明人 |
MIYAUCHI YASUSHI;TERAO MOTOYASU;HIROTSUNE AKEMI;MINEMURA HIROYUKI;MIYAMOTO HARUKAZU |
| 分类号 |
G11B7/24;G11B5/09;G11B7/00;G11B7/0045;G11B7/006;G11B7/007;G11B7/013;G11B7/125;G11B20/12 |
主分类号 |
G11B7/24 |
| 代理机构 |
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