| 摘要 |
<P>PROBLEM TO BE SOLVED: To make safely purchasable an article via the Internet. <P>SOLUTION: Information for identifying a user and the number of points corresponding to purchase amount are transmitted from an audio-equipment 11-1 to a customer control server 4, when a content is purchased. That is, the user is able to purchase the article safely, because information requiring high security, for example, such as the number of a credit card, is not transmitted and received between the audio-equipment 11-1 and the customer control server 4. <P>COPYRIGHT: (C)2003,JPO |
