发明名称 Method and system for digital rights management in content distribution application
摘要 The invention described herein introduces a system which binds the content to a person or any other entity like a company. So duplication of the content and rendering of content is only allowed to a well defined number of devices. The devices used in a system according to the present invention are provided for playing unencrypted content as well. Thus, users are enabled to play their currently existing audio CDs with the same device.
申请公布号 US2003079133(A1) 申请公布日期 2003.04.24
申请号 US20010982203 申请日期 2001.10.18
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 BREITER GERD;PETRIK OLIVER;EDERER WERNER;MUNSON JONATHAN;PACIFICI GIOVANNI;YOUSSEF ALAA S.;HELAL ABDELSALAM
分类号 G06F21/24;G06F21/00;H04L9/08;(IPC1-7):H04L9/00 主分类号 G06F21/24
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