Epl price change verification system and method

G - Physics – 09 – G

Patent

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G09G 5/00 (2006.01) G06Q 30/00 (2006.01) G09F 9/00 (2006.01)

Patent

CA 2238107

A price change verification system and method for an electronic price label (EPL) system which verifies that price changes have been implemented by associated EPLs. A storage medium contains a record associated with the EPL. The record includes a price change time and a new price for the EPL. An EPL computer sends a price change message containing the new price to the EPL at a time substantially equal to the price change time. The EPL computer additionally verifies that the EPL is displaying the new price by reading the record to determine the price change time, obtaining a currently displayed price from the EPL, and comparing the currently displayed price to the new price.

L'invention est constituée par un système et une méthode de vérification de modifications de prix sur des étiquettes de prix électroniques qui vérifie que les modifications de prix ont bien été effectuée sur les étiquettes en cause. Un enregistrement est conservé sur un support pour chaque étiquette. Cet enregistrement contient le moment de la modification du prix ainsi que le nouveau prix pour l'étiquette en cause. Un ordinateur transmet à l'étiquette un message de modification du prix qui contient le nouveau prix à un moment qui coïncide essentiellement avec le moment de l'entrée en vigueur de la modification. L'ordinateur vérifie de plus si l'étiquette affiche le nouveau prix en lisant l'enregistrement pour déterminer le moment de la modification du prix, obtient le prix affiché sur l'étiquette à ce moment et compare ce prix avec le nouveau.

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