| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a plurality of devices to use content while maintaining a restriction called copy once. <P>SOLUTION: Access information for controlling go/no-go of content reproduction is set for each content stored in a content storing part 112, the content is reproduced when the access information indicates that the content can be reproduced, and the content is inhibited from being reproduced when the access information indicates that the content can not be reproduced. The resolution of the content stored in the content storing part 112 is converted, the content after conversion is transferred to another device 104, the access information is set so that the contend is reproduced when the content is stored in the content storing part, the access information is set so that the content can not be reproduced to inhibit the content from being reproduced when the content after conversion is transferred to the another device, and further, when the content after conversion transferred to the other device becomes irreproducible, the access information is set so that the content is reproduced to make the content reproducible. <P>COPYRIGHT: (C)2011,JPO&INPIT |
