发明名称 |
Electronic money, electronic use right, charging system, information processing apparatus, and reproducing method and reproduction control method of contents data |
摘要 |
A system for providing the right to use and reproduce contents data involving so-called electronic money, whereby when compressed and/or encrypted contents data is reproduced, a security for electronic money or an electronic use right is checked, if the electronic money or the electronic use right is invalid as a result of the security check, the reproduction of the contents data is stopped, and if the electronic money or the electronic use right is valid as a result of the security check, the contents data is reproduced and the electronic money or the electronic use right is consumed. |
申请公布号 |
US7346582(B2) |
申请公布日期 |
2008.03.18 |
申请号 |
US20010913946 |
申请日期 |
2001.08.20 |
申请人 |
SONY CORPORATION |
发明人 |
SAKO YOICHIRO;TOKORO MARIO;INOKUCHI TATSUYA;KIJIMA KAORU |
分类号 |
H04L9/28;G06Q20/00;G07F7/08;H04L9/08 |
主分类号 |
H04L9/28 |
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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