Compact graphical interactive broadcast information system

Details Compact graphical interactive broadcast information system Compact graphical interactive broadcast information system

H - Electricity

04

N

H04N 7/088 (2006.01) H04N 7/173 (2006.01) H04H 1/00 (2006.01) H04N 7/16 (2006.01) H04N 5/445 (2006.01)

Patent

CA 2218656

A method and apparatus allows an information provider to broadcast a graphical interactive information system application to a user even using a low- bandwidth transport such as the VBI. A compact protocol encapsulates graphical information using definitions of graphical objects and resources. A scripting and command language is also highly compact. A reception component receives the compact protocol and displays and operates a complete graphical interactive information system application.

Dispositif et procédé permettant à un fournisseur d'informations de diffuser une application graphique de système d'information interactif en direction d'un utilisateur en utilisant même un transport à faible largeur de bande tel qu'un intervalle de suppression de trame. Un protocol compact enveloppe des informations graphiques en utilisant les définitions des objets et ressources graphiques. Le language d'écriture et de commande est également très compact. La composante de réception reçoit le protocole compact et affiche et commande une application intégrale de système d'informations graphiques interactif.

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