A unique session identifier may be utilized to announce the availability of an electronic programming guide to users of an enhanced television distribution system. In some embodiments, the unique session identifier may be utilized in a variety of systems to provide a uniform way of recognizing the availability...http://www.google.fr/patents/US7827576?utm_source=gb-gplus-shareBrevet US7827576 - Announcing the availability of an electronic programming guide to receivers of enhanced television transmissions
Announcing the availability of an electronic programming guide to receivers ...
