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 US8640219(B2) 申请公布日期 2014.01.28
申请号 US20050922442 申请日期 2005.06.23
申请人 ZHANG JUNBIAO;RAMASWAMY KUMAR;COOPER JEFFREY ALLEN;THOMSON LICENSING 发明人 ZHANG JUNBIAO;RAMASWAMY KUMAR;COOPER JEFFREY ALLEN
分类号 G06F15/16;H04L29/06 主分类号 G06F15/16
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