发明名称 Method for secure distribution of digital products
摘要 A content distribution system has a content processing means for encrypting content into which is embedded a digital watermark so as to obtain distributed content, a distribution contract execution means for the content, a containing forming means, which, with respect to distribution content selected by a user, adds a content driving program based on a prescribed usage environment and usage conditions, and management program to manage a content usage status, so as to form a container, a distribution means, which distributes the container to a transmission path, a electronic player supplying means, which supplies the an electronic player that plays back the container, a playback means, a content usage status analysis means, which, for each played back content of the container, transfers the playback status to a usage status analysis system, so as to manage recording of the usage status of the content, and an improper usage monitoring means, which monitors improper use of the content, wherein a computer is caused to control the above-noted means. <IMAGE>
申请公布号 EP1130490(A3) 申请公布日期 2003.01.02
申请号 EP20000308294 申请日期 2000.09.22
申请人 M. KEN CO. LTD. 发明人 INOUE, AKIRA;SUZUKI, AKIRA;MIYACHI, NAOTO;OKAMOTO, ITSUAKI;OHKOSHI, YUTAKA
分类号 G06F1/00;G06F21/10;(IPC1-7):G06F1/00 主分类号 G06F1/00
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