| 摘要 |
<P>PROBLEM TO BE SOLVED: To partially view content even when the content is not protected or prepared on the assumption that partial viewing such as the partial encryption of content is performed. <P>SOLUTION: Meta data including the viewing section of content to be partially viewed by a meta data generation means 80 are generated, and stored in a meta data storage means 140. In the case of viewing content, a content reproduction means 100 acquires the stored meta data, and requests content distribution to a content distribution relay means 60. The content distribution relay means 60 acquires the stored meta data, and confirms that the content distribution has been requested through the meta data, and confirms that a viewing section requesting content distribution is the viewing section of the content carried by the meta data, and requests content distribution to a content distribution means 20, and when receiving the content distribution, confirms whether or not it is within the section of the content carried by the meta data, and when it deviates from the section, interrupts the relay of the content distribution. <P>COPYRIGHT: (C)2008,JPO&INPIT |
