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.
申请公布号 EP1894078(A1) 申请公布日期 2008.03.05
申请号 EP20050763154 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 G06F1/00;H04W8/20;H04L29/06;H04W4/00 主分类号 G06F1/00
代理机构 代理人
主权项
地址