DISTRIBUTION DEVICE, TERMINAL DEVICE, PROGRAM AND METHOD USED IN THESE DEVICES

FIELD: distribution devices, terminal devices. ^ SUBSTANCE: in distribution device groups of two or more informational products which represent digital informational content are stored with information about policy administration which indicates user's rights to this group by interrelated metho...

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Bibliographische Detailangaben
Hauptverfasser: OKAMOTO RIUITI, KOZUKA MASAJUKI, INOUE MITSUKHIRO, MINAMI MASATAKA
Format: Patent
Sprache:eng ; rus
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Beschreibung
Zusammenfassung:FIELD: distribution devices, terminal devices. ^ SUBSTANCE: in distribution device groups of two or more informational products which represent digital informational content are stored with information about policy administration which indicates user's rights to this group by interrelated method. Distribution device transfers the user requested informational content from group to the terminal device with license certificate (LC), refreshes information about policy administration decreasing policy validity. On return of the renewed LC distribution device increases the decreased policy validity taking into account the part of policy validity which is indicated in the renewed LC. On user's demand distribution device again transfers LC or other digital informational content. ^ EFFECT: distribution of digital content for a more complete satisfaction of user's demand. ^ 22 cl, 58 dwg