To communicate requirements for a digital license from a receiver of corresponding digital content to a computing device upon which the digital content is to be rendered, the receiver tunes the content and locates within the content information relating to the requirements for the license, constructs...http://www.google.fr/patents/US20060242080?utm_source=gb-gplus-shareBrevet US20060242080 - Rights management system for streamed multimedia content
Rights management system for streamed multimedia content
