发明名称 Method and apparatus for making system constraint of a specified permission in the digital rights management
摘要 A method and a terminal device for making multi-system constraint of a specified permission in a digital rights. A rights object related to content object is obtained by an executing device. The specific permission descriptions of the rights object include system constraint descriptions of a plurality of systems of the same type. The executing device obtains a corresponding system information in the device according to the system constraint descriptions and compares the system information in the device with the system information in the system constraint descriptions, so as to judge whether there is any system permitted in system constraint descriptions. If yes, it determines to permit executing the specific permission for the content object; otherwise, it determines not to permit executing said specific permission for the content object.
申请公布号 US2007039057(A1) 申请公布日期 2007.02.15
申请号 US20060504550 申请日期 2006.08.15
申请人 LI YIMIN;DANG PEI 发明人 LI YIMIN;DANG PEI
分类号 H04N5/00;H04N7/24 主分类号 H04N5/00
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