| 发明名称 |
INFORMATION PROCESSING DEVICE AND METHOD, AND PROVIDING MEDIUM |
| 摘要 |
A user who is purchasing the same content again can buy it at a discount price. "Accounting History" of accounting information B prepared when the content is repurchased is set to 'Discount Price.' Since accounts are settled based on the accounting information with "Accounting History" set to 'Discount Price,' the user who is purchasing the same content again can buy it at a discount price. <IMAGE> |
| 申请公布号 |
EP1100035(A4) |
申请公布日期 |
2002.04.17 |
| 申请号 |
EP20000915429 |
申请日期 |
2000.04.07 |
| 申请人 |
SONY CORPORATION |
发明人 |
ISHIBASHI, YOSHIHITO;MATSUYAMA, SHINAKO;OHISHI, TATEO;MUTO, AKIHIRO |
| 分类号 |
G11B20/10;G06F21/10;G06Q10/00;G06Q30/00;G06Q30/02;G06Q30/04;G06Q30/06;G06Q50/00;G06Q50/10;G09C1/00;H04L9/08;H04L9/32;(IPC1-7):G06F17/60 |
主分类号 |
G11B20/10 |
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