| 发明名称 |
RECORD MEDIUM, RECORDING METHOD AND APPARATUS FOR RECORD MEDIUM, AND REPRODUCING METHOD AND APPARATUS FOR RECORD MEDIUM |
| 摘要 |
A record medium comprising a lead−in area,data record area where encrypted content data are to be recorded,and a lead−out area.Key information for decoding encrypted content data are to be recorded in at least one of the lead−in area and the lead−out area and a program area
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| 申请公布号 |
WO03038821(A1) |
申请公布日期 |
2003.05.08 |
| 申请号 |
WO2002JP10929 |
申请日期 |
2002.10.22 |
| 申请人 |
SONY CORPORATION;SAKO, YOICHIRO;INOKUCHI, TATSUYA;FURUKAWA, SHUNSUKE |
发明人 |
SAKO, YOICHIRO;INOKUCHI, TATSUYA;FURUKAWA, SHUNSUKE |
| 分类号 |
G06F21/80;G11B20/00;H04N5/85;H04N5/913;H04N5/92;(IPC1-7):G11B20/10;H04L9/08;G06F12/14;G06F3/06;H04N5/91 |
主分类号 |
G06F21/80 |
| 代理机构 |
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