发明名称 DIGITAL RIGHTS MANAGEMENT
摘要 A method for distributing rights objects between a first device 1 and a second device 50 is disclosed, the rights objects being used to authorise use of a content file. The method includes, at the first device, selecting and requesting content from a distribution server 3; receiving a download descriptor file 9 for the requested content, the download descriptor file identifying at least one available format of the content and identifying from where the content may be retrieved, wherein different formats of the content are suitable for devices having different rendering profiles and different formats of the content are contained within different content files; receiving at least one rights object 13 associated with the content files, the at least one rights object providing authorisation rights for the content files; and embedding the at least one rights object within the download descriptor file. The download descriptor file is then distributed to the second device.
申请公布号 US2009125987(A1) 申请公布日期 2009.05.14
申请号 US20080013985 申请日期 2008.01.14
申请人 VODAFONE GROUP PLC 发明人 IRWIN JAMES
分类号 G06F21/10 主分类号 G06F21/10
代理机构 代理人
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