Video facility management system_for encoding and decoding...

H - Electricity – 04 – N

Patent

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H04N 5/272 (2006.01) H04H 20/14 (2009.01) H04N 5/222 (2006.01) H04N 5/262 (2006.01) H04N 5/268 (2006.01) H04N 5/765 (2006.01) H04N 7/08 (2006.01) H04N 17/00 (2006.01) H04H 7/04 (2006.01)

Patent

CA 2157483

Apparatus and method for tracking the flow of television programs within a program distribution system, each program including video signal which contains information to generate a television picture, the distribution system including a plurality of units through which the television programs flow, by operating a first signal processing unit connected within the system for adding signal elements to the video signal in order to add patterns of symbols (404) to the television picture (402) such that the symbols (404) are disposed at predetermined locations of the television picture (402) and a plurality of successive patterns constituting a code uniquely identifying the program; and a second signal processing unit connected within the system for detecting signal elements previously added to a signal and for identification of the program which included the video signal.

Appareil et procédé permettant le suivi du flux d'émissions de télévision dans un système de distribution d'émissions. Chaque émission de télévision comprend un signal vidéo qui contient des informations servant à générer une image de télévision, le système de distribution comprenant une pluralité d'unités par lesquelles passe le flux d'émissions de télévision. Une première unité de traitement de signal, montée dans le système, ajoute des éléments au signal vidéo afin d'ajouter des motifs de symboles (404) à l'image de télévision (402), de sorte que lesdits symboles (404) soient disposés à des emplacements prédéterminés, dans l'image de télévision (402), une pluralité de motifs successifs constituant un code désignant de façon unique l'émission. Une seconde unité de traitement de signal, montée dans le système, détecte les éléments de signal préalablement ajoutés à un signal vidéo et identifie l'émission contenant le signal vidéo.

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