Output switching for load levelling across multiple service...

H - Electricity – 04 – N

Patent

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Details

H04N 7/173 (2006.01) H04N 7/26 (2006.01) H04N 7/50 (2006.01)

Patent

CA 2231391

A television information system for distributing television information services, including interactive service, to subscribers divided among a plurality of service areas. A system manager receives requests for service from subscribers and assigns each requesting subscriber to one of a plurality of video provider elements. The video provider element provides a television information service to the requesting subscriber. An rf processing unit associated with the video provider element places the television information service on a carrier frequency assigned to the subscriber by the system manager. An rf switch controlled by the system manager directs each carrier frequency to the service area of the corresponding requesting subscriber.

L'invention porte sur un système de distribution d'informations télévisées comportant des services interactifs destinés à des abonnés répartis entre différentes zones de service. Un gestionnaire système recevant d'abonnés des demandes de service dirige chacun d'eux sur l'un des différents dispositifs fournisseurs vidéo, lesdits dispositifs fournisseurs fournissant à chacun des abonnés demandeurs le service d'informations télévisées requis. Une unité de traitement de signaux RF associée au fournisseur place le service de fourniture d'informations télévisées sur la fréquence porteuse allouée à l'abonné par le gestionnaire. Un commutateur de fréquence RF commandé par le gestionnaire dirige individuellement les fréquences porteuses sur la zone de service de l'abonné demandeur correspondant.

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