H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/16 (2006.01) H04N 5/445 (2006.01) H04N 7/173 (2006.01)
Patent
CA 2336679
Viewed from one aspect, the present invention provides a digital television system comprising a transmission means for transmitting a plurality of television channels and a decoder for receiving the plurality of channels and characterised in that one channel is used to carry audiovisual information (100) regarding programmes or services available on some or all of the other channels, the decoder being adapted to generate and display interactive messages (101) superimposed over and synchronised with the information regarding some or all of the other channels. From another aspect the system is characterised in that the decoder is adapted to display a service menu (61) providing access to one or more channels or service channels, access to one or more of said channels or service channels proceeding via at least one subsidiary menu accessed by the service menu.
Selon un premier aspect de l'invention, un système de télévision numérique, comprend un organe de transmission destiné à transmettre plusieurs canaux de télévision, et un décodeur destiné à recevoir ces canaux, et caractérisé en ce qu'un canal est utilisé pour transporter des informations audiovisuelles (100) concernant des programmes ou des services disponibles sur certains canaux ou sur tous les autres canaux, ce décodeur étant conçu pour produire et afficher des messages interactifs (101) concernant certains canaux ou tous les autres canaux, superposés sur les informations et synchronisés avec celles-ci. Selon second aspect, ce système est caractérisé en ce que le décodeur est conçu pour afficher un menu de service (61), qui donne l'accès à un ou plusieurs canaux ou à des canaux de service, cet accès s'effectuant via au moins un menu auxiliaire auquel le menu de service accède.
Canal + Societe Anonyme
Fetherstonhaugh & Co.
Thomson Licensing S.a.
LandOfFree
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