| 摘要 |
<p>The right of check out is returned to the original state before a check out without any troublesome operation. A content management program of a personal computer (1-2) controls the record of a content that can be checked out under its use condition and sets the time limit on the check out of the content under the use condition corresponding to the content. The invention can be applied to information processor handling a content the copyright of which is protected.</p> |
