Patent ID: 6269342
Filing Date: 2001-07-31
Classification: G06F,G06Q,G09G

Abstract:
An electronic pricing system, comprising:a pricing database for storing pricing data and associated product identifiers, said pricing data used by an associated point-of-sale (POS) terminal to generate customer bills;a temporary database for storing updated pricing data and associated product identifiers;a plurality of electronic shelf tags having display means for displaying a product price for an associated product; anda portable programming device for receiving updated pricing data from the temporary database and transmitting the received updated pricing data to the plurality of electronic shelf tags;wherein said plurality of electronic shelf tags transmit an acknowledge signal when updated pricing data has been received and said product price displayed by said display means has been modified to reflect the received updated pricing data and said pricing data, in said pricing database corresponding to the product identifier of the updated pricing data associated with the acknowledge signal, is replaced with said updated pricing data.