发明名称 |
Optical recording medium having mark and space portions based on frequency band of RF signal |
摘要 |
A recording medium includes a lead-in area which includes a control data area and an information data area in which information data is to be recorded. In this recording medium, a groove track in the control data area is divided into a plurality of mark portions and space portions based on a frequency band of a recording RF signal.
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申请公布号 |
US6785220(B2) |
申请公布日期 |
2004.08.31 |
申请号 |
US20030347225 |
申请日期 |
2003.01.21 |
申请人 |
PIONEER CORPORATION |
发明人 |
MURAMATSU EIJI;SUZUKI TOSHIO;KATO MASAHIRO;TANIGUCHI SHOJI |
分类号 |
G11B7/24;G11B7/0037;G11B7/007;G11B7/26;G11B20/12;(IPC1-7):G11B7/24 |
主分类号 |
G11B7/24 |
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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