| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a business model of a content distribution service enabling strong protection against an unauthorized copy of content data in process of distribution or at a distribution destination, and the content distribution service in line with a network environment of a content distribution service user and a use form of the user, and particularly narrow-band response of the network, and allowing a consumer accustomed to conventional media such as books to be easily guided to the internet service, in a content (audio/image) distribution service. <P>SOLUTION: Content data are divided into a plurality data according to several patterns, and separately transmitted to users through a transmission path such as the Internet and CD-ROM/DVD or the like. The data are synthesized and replayed for the first time after the divided data are obtained by the user. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
