Invention Grant
US07346582B2 Electronic money, electronic use right, charging system, information processing apparatus, and reproducing method and reproduction control method of contents data
有权
电子货币，电子使用权，收费系统，信息处理装置，以及内容数据的再现方法和再现控制方法
- Patent Title: Electronic money, electronic use right, charging system, information processing apparatus, and reproducing method and reproduction control method of contents data
- Patent Title (中): 电子货币，电子使用权，收费系统，信息处理装置，以及内容数据的再现方法和再现控制方法
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Application No.: US09913946Application Date: 2000-12-20
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Publication No.: US07346582B2Publication Date: 2008-03-18
- Inventor: Yoichiro Sako , Mario Tokoro , Tatsuya Inokuchi , Kaoru Kijima
- Applicant: Yoichiro Sako , Mario Tokoro , Tatsuya Inokuchi , Kaoru Kijima
- Applicant Address: JP
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: JP11-363465 19991221
- International Application: PCT/JP00/09023 WO 20001220
- International Announcement: WO01/46880 WO 20010628
- Main IPC: H04L9/28
- IPC: H04L9/28
Abstract:
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.
Public/Granted literature
- US20020128937A1 Electronic money system Public/Granted day:2002-09-12
Information query
