| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for collecting a viewing history and charging a fee, in a seamless viewing of contents converted into a plurality of media while changing terminals. <P>SOLUTION: A normalization relative position is arranged as indicating a position in a content common to each media. When a user views the content, a viewing history is memorized using the position, and charging processing is performed using the recorded position. <P>COPYRIGHT: (C)2007,JPO&INPIT |
