Asynchronous video event and transaction data multiplexing...

G - Physics – 07 – G

Patent

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G07G 3/00 (2006.01) G08B 13/196 (2006.01) G08B 15/00 (2006.01) H04N 7/18 (2006.01)

Patent

CA 2188595

A surveillance system which can store and replay information which is not generated contemporaneously. In some point-of-sale systems, the behavioral events occur before the transaction data is generated. The present system uses an independently generated synchronizing signal which is recorded with the video signals corresponding to the behavioral events and the transaction signal corresponding to the transaction events. Upon playback, the transaction data is matched up with the behavioral event being replayed from the video tape by utilizing the synchronizing signals stored with each signal.

Système de surveillance pouvant mémoriser et relire des informations qui ne sont pas générées simultanément. Dans certains systèmes de point de vente, les événements comportementaux surviennent avant que les données transactionnelles ne soient générées. Le système selon l'invention utilise un signal de synchronisation généré indépendamment, et enregistré avec les signaux vidéo correspondants aux événements comportementaux ainsi qu'avec le signal transactionnel correspondant aux événements transactionnels. Lors de la lecture, les données transactionnelles sont mises en correspondance avec l'événement comportemental en cours de relecture sur la bande vidéo au moyen des signaux de synchronisation mémorisés avec chaque signal.

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