G - Physics – 09 – F
Patent
G - Physics
09
F
G09F 9/00 (2006.01) G06Q 30/00 (2006.01) G09G 3/00 (2006.01)
Patent
CA 2280546
An electronic price label (EPL) promotional information verification system which ensures that promotional information for an item obtained from a promotional information file is equal to other promotional information displayed by an electronic price label (EPL) for the item. The EPL promotional information verification system includes a computer system coupled to the EPL, which includes a computer terminal and a storage medium coupled to the terminal. The storage medium contains an EPL data file, which contains EPL identification information and an EPL promotional information verifier. The computer terminal executes a promotional information verification program which reads the promotional information file to obtain the promotional information for the item, calculates another promotional information verifier from the promotional information in the promotional information file, reads EPL data file to obtain the one promotional information verifier, compares the one and the other promotional information verifiers to determine whether they are equal, and changes the displayed promotional information to the promotional information in the promotional information file if the one and the other promotional information verifiers are different.
Saliceti Joseph
Zimmerman Terry L.
Ncr Corporation
Smart & Biggar
LandOfFree
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