| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a viewer from getting to know the content of a video-recorded content as a result of viewing another content associated with the video-recorded content, before the viewer views the recorded content. <P>SOLUTION: A keyword extraction unit 14 extracts a keyword, with respect to the video-recorded content, from content information thereof, video data, etc. and stores the keyword in memory 15. Moreover, the keyword extraction unit 14 extracts a keyword from a content to be viewed. When the extracted keyword matches the keyword stored in the memory 15, a control unit 24 stops output of the content to be viewed to a monitor 18, and displays a screen for giving information that viewing is restricted. On the information screen, the name of the recorded content, the keyword of which matches that of the extracted content, is written. <P>COPYRIGHT: (C)2012,JPO&INPIT |
