| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a contents providing system for realizing a copyright management system capable of effectively protecting a contents copyright and a charging management system for enabling effective charging processing even to partial viewing and listening which correspond to a user's request. <P>SOLUTION: This contents providing system 2 is disclosed, which includes an encryption server 27 for dividing contents data into a plurality encryption sections and encrypting the encryption sections with encryption keys different for each encryption section, and a charging server 29 for performing charging processing corresponding to the partial viewing and listening in which the contents data are partially viewed and listened to in a client terminal 10. <P>COPYRIGHT: (C)2004,JPO |
