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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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