发明名称 |
A digital information recording apparatus with copyright protection |
摘要 |
A digital information recording apparatus to record a digital information to protect a copyright of digital information that includes at least first digital information and first copy control information. The digital information recording apparatus records the digital information based upon the first copy control information denotes one of: copy inhibition inhibiting copying of said first digital information; limited copy permission authorizing a predetermined number of times of copying of said first digital information; and unlimited copy permission authorizing unlimited copying of said first digital information. |
申请公布号 |
EP0924930(B1) |
申请公布日期 |
2004.05.06 |
申请号 |
EP19980122525 |
申请日期 |
1998.11.30 |
申请人 |
HITACHI, LTD. |
发明人 |
SASAMOTO, MANABU;NOGUCHI, TAKAHARU;AIKAWA, MAKOTO;HIRAHATA, SHIGERU |
分类号 |
H04N5/91;G06F21/10;G09C1/00;G11B20/00;G11B20/10;H04N5/913;H04N7/167;H04N9/804;H04N21/41;H04N21/8355 |
主分类号 |
H04N5/91 |
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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