Appeal No. 1997-0344
Application 08/326,992
label printer, and display (see specification, pages 2 to 3). As indicated in the specification (see pages
2 to 3), the price-lookup file is updated when prices are changed and the price-lookup file is used for
printing labels and displaying information on prices. By sharing the updated price information with the
point-of-service system and label printer or electronic shelf label system, appellant’s price maintenance
system and method avoid price mismatch. Price mismatch is defined as "a difference between a price
printed on a label and a price within the PLU file used by the bar code scanner and terminal"
(specification, page 2).
Representative independent claim 1 is reproduced below:
1. A price maintenance system comprising:
a point-of-service system including a bar code scanner, and a price-lookup file used by the bar
code scanner to determine prices of scanned items; and
a computer coupled to the point-of-service system which updates the prices within the price-
lookup file and sends the updated prices to a label printing routine to avoid price mismatch between the
price-lookup file and a printed label on an item whose price has changed.
Representative independent claim 6 is reproduced below:
6. A price maintenance system comprising:
an electronic shelf label system;
a point-of-service system including a bar code scanner, and a price-lookup file used by the bar
code scanner to determine prices of scanned items and used by the electronic shelf label system to
display prices; and
a computer coupled to the point-of-service system and the electronic shelf label system which
2
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