Intelligent transceiving method, device and system

H - Electricity – 04 – N

Patent

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Details

H04N 21/4405 (2011.01) H04L 9/08 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2393630

An apparatus and method thereof for communicating a scramble key (for descrambling scrambled digital signals) and service information (used in an electronic programming guide) to an intelligent transceiver (e.g., a set-top box) (450a, b, c, d, e) using a bi-directional digital broadcast system (400). The intelligent transceiver (450a, b, c, d, e) includes an in-band tuner adapted to receive from the digital broadcast system (400) in-band digital signals comprising audio content and video content. The intelligent transceiver (450a, b, c, d, e) also includes a second tuner adapted to send and receive a scramble key over the World Wide Web via a cable modem. In one embodiment, the in-band digital signals received by the in-band tuner also contain service information. In another embodiment, the digital signals received by the second tuner via the cable modem also contain service information.

L'invention concerne un appareil et un procédé destinés à communiquer une clé d'embrouillage (destinée à désembrouiller des signaux numériques embrouillés) ainsi qu'une information de service (utilisée dans un guide de programmation électronique) à un émetteur-récepteur intelligent (par exemple, un décodeur) (450a, b, c, d, e) utilisant un système de diffusion numérique bidirectionnel (400). L'émetteur-récepteur intelligent (450a, b, c, d, e) comprend un syntoniseur intra-bande conçu pour recevoir des signaux numériques intra-bande, à contenus audio et vidéo, du système de diffusion numérique (400). L'émetteur-récepteur intelligent (450a, b, c, d, e) comprend aussi un second syntoniseur conçu pour envoyer et recevoir une clé d'embrouillage sur le World Wide Web via un modem câble. Dans une réalisation, les signaux numériques intra-bande reçus par le syntoniseur intra-bande contiennent aussi une information de service. Dans une autre réalisation, les signaux numériques reçus par le second syntoniseur, via le modem câble, contiennent aussi cette information.

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