Method of sending messages to an electronic price label

Details Method of sending messages to an electronic price label Method of sending messages to an electronic price label

G - Physics

09

F

G09F 9/00 (2006.01) G06Q 30/00 (2006.01) G09G 3/00 (2006.01) H04L 9/00 (2006.01)

Patent

CA 2246129

A method of sending information to an electronic price label (EPL) for display which requires only one message to be sent to the EPL. Second information is recorded in response to an operator request to change first information displayed by the EPL. The second information includes predetermined characters within a group of characters including numerals 0-9, letters A-Z, blanks, and predetermined symbols. The second information is encoded into a word using a number of translation tables. The word is sent to the EPL in a single wireless message. The word is received by the EPL. The word is decoded by the EPL using the translation tables. Finally, the second information is displayed by the EPL.

La présente invention fait état d'une méthode ne nécessitant qu'un seul message pour envoyer de l'information pour affichage à une étiquette de prix électronique (EPL). La nouvelle information est enregistrée par suite d'une demande d'un opérateur désirant changer l'information d'origine affichée par l'EPL. La nouvelle information comprend des caractères préétablis choisis dans un groupe de caractères comprenant notamment, des chiffres de 0 à 9, des lettres de A à Z, des espaces vides et des symboles préétablis. La nouvelle information est encodée dans un mot au moyen d'un certain nombre de tables de traduction. Le mot est envoyé à l'EPL au moyen d'un seul message radio. L'EPL reçoit le message, le décode au moyen des tables de traduction et affiche finalement la nouvelle information.

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