发明名称 Method and Apparatus for Enabling Digital Rights Management in File Transfers
摘要 Embodiments of the invention generally provide a method and apparatus for enabling digital rights management in file transfers. One embodiment of a method for transferring digital content from a first user to a second user, includes transferring ownership of an instance of the digital content to the second user, where the instance of the digital content resides on a first device belonging to the first user. Copies of the digital content are then deleted from one or more additional devices belonging to the first user (including at least one offline device).
申请公布号 US2008270307(A1) 申请公布日期 2008.10.30
申请号 US20070739868 申请日期 2007.04.25
申请人 GENERAL INSTRUMENT CORPORATION 发明人 OLSON WILLIAM L.;ILDEREM VIDA;KITSON FREDERICK L.;MOORE MORRIS A.;MORONEY PAUL;PETERKA PETR;RZESZEWSKI THEODORE S.;YACOBELLIS ROBERT H.
分类号 H04L29/08 主分类号 H04L29/08
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