Invention Grant
US07962953B2 DRM protected content sharing 有权
DRM保护内容共享

DRM protected content sharing
Abstract:
A system and method for transmitting protected real-time content from one user to another is described. In a first aspect, a user sends a Rights Object to another user. In a second aspect, a user sends a Rights Object to another user via an intermediate server for a multiparty communication. In this second aspect, the users may be able to switch between designated Rights Objects as needed.
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