发明名称 |
CONTENTS DATA, RECORDING MEDIUM, RECORDING METHOD AND DEVICE, REPRODUCING METHOD AND DEVICE |
摘要 |
Contents data or a recording medium, comprising encrypted data unit consisting of encrypted contents data, and a plain text data unit read prior to the encrypted data unit and consisting of plain data having embedded therein additional information containing information for decrypting encrypted contents data.
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申请公布号 |
WO0193267(A1) |
申请公布日期 |
2001.12.06 |
申请号 |
WO2001JP04600 |
申请日期 |
2001.05.31 |
申请人 |
SONY CORPORATION;SAKO, YOICHIRO |
发明人 |
SAKO, YOICHIRO |
分类号 |
G06F12/14;G06F21/00;G06F21/24;G06T1/00;G09C5/00;G10L11/00;G11B20/00;G11B20/10;H04L9/08;H04N1/32;H04N1/44;H04N5/85;H04N5/91;H04N7/08;H04N7/081;(IPC1-7):G11B20/12;G11B27/00;G10K15/02;H04N1/387;G06F17/60 |
主分类号 |
G06F12/14 |
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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