发明名称 DIGITAL RIGHTS MANAGEMENT(DRM) ENABLED PORTABLE PLAYBACK DEVICE, METHOD AND SYSTEM
摘要 A method for enabling access to digital rights managed (DRM) content from a server to a portable playback device using a device that functions as a proxy for enabling communication between the server and the portable playback device. The method provides for establishing a connection with a device capable of operating as a gateway device for passing data between the portable playback device and the server, requesting that the device establish a connection with the server and operate as a proxy for enabling data exchange between the portable playback device and the server, sending to the server, upon establishing the connection with the server via the device operating as a proxy, data indicating DRM solutions supported by the portable playback device, and a list comprising requested DRM content to be downloaded to the portable playback device, and receiving from the server, via the device operating as a proxy, the requested DRM content and DRM rules associated with the received content. ® KIPO & WIPO 2008
申请公布号 KR20080019632(A) 申请公布日期 2008.03.04
申请号 KR20077029608 申请日期 2005.06.23
申请人 THOMSON LICENSING 发明人 ZHANG JUNBIAO;RAMASWAMY KUMAR;COOPER JEFFREY ALLEN
分类号 H04W8/20;H04W4/00 主分类号 H04W8/20
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