System for selectively downloading information at user...

H - Electricity – 04 – N

Patent

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Details

H04N 7/10 (2006.01) H04B 7/185 (2006.01) H04L 12/28 (2006.01) H04N 7/14 (2006.01) H04H 1/00 (2006.01)

Patent

CA 2302947

A satellite direct digital broadcast system is provided which broadcasts selected Internet information such as news reports, weather reports and stock market rates, along with radio programs. Broadcast channels comprise Internet information and a service control header to identify the type of Internet information contained therein. User terminals (22) are provided which comprise a radio broadcast receiver (2) to receive programs broadcast via satellite (20). Audio programs are played on a speaker connected to a radio broadcast receiver (21). The user terminals (22) also comprise a multimedia device such as a personal computer (29) connected to the receiver. The multimedia device is programmed to generate a computer display which prompts a user to select a topic of Internet information. The multimedia device stores received packets and selectively retrieves packets to generate displays such as Web pages using those packets which correspond to the topic of information selected by the user.

L'invention concerne un système de radiodiffusion numérique directe par satellite, qui diffuse des informations sélectionnées fournies par Internet, telles qu'actualités, météo et cours de la bourse, en même temps que des programmes radio. Les canaux de radiodiffusion comprennent des informations Internet et un en-tête de contrôle du service, qui permettent d'identifier le type d'informations Internet qu'ils contiennent. Les terminaux utilisateurs (22) comportent un récepteur (21) de radiodiffusion, qui reçoit les programmes radiodiffusés via satellite (20). Les programmes audio sont reproduits par un haut-parleur connecté à un récepteur (21) de radiodiffusion. Les terminaux utilisateurs (22) comprennent également un dispositif multimédia, tel qu'un ordinateur personnel (29), connecté au récepteur. Le dispositif multimédia est programmé de façon à générer sur l'ordinateur une image invitant l'utilisateur à choisir un sujet parmi les informations Internet. Il met en mémoire les paquets reçus et recherche sélectivement les paquets qui permettent de générer des images, telles que des pages du Web, correspondant au sujet choisi par l'utilisateur.

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