| 发明名称 |
METHOD AND DEVICE FOR PROVIDING INFORMATION AND PROGRAM STORAGE MEDIUM |
| 摘要 |
PROBLEM TO BE SOLVED: To prevent stored data from being wrongfully read out and analyzed. SOLUTION: An EMD(electrical music distribution) server 4-1 receives data related to use of the data, which a personal computer 1 downloaded, and the data required for liquidation from the personal computer 1 and transmits a key to the personal computer 1. The EMD server 4-1 perform the liquidation on the basis of these data received from the personal computer 1. |
| 申请公布号 |
JP2000348105(A) |
申请公布日期 |
2000.12.15 |
| 申请号 |
JP20000087983 |
申请日期 |
2000.03.28 |
| 申请人 |
SONY CORP |
发明人 |
ISHIGURO RYUJI;KAWAKAMI TATSU;TANABE MITSURU;EOMO YUICHI;KAWAHARA HIROKAZU |
| 分类号 |
G06Q50/10;G06F13/00;G06F15/00;G06F21/00;G06F21/10;G06F21/33;G06F21/44;G06Q50/00;G09C1/00;G10K15/02;G10L19/00;H04L9/32;H04L12/22 |
主分类号 |
G06Q50/10 |
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