Method of sending messages to electronic price labels prior...

Details Method of sending messages to electronic price labels prior... Method of sending messages to electronic price labels prior...

G - Physics

06

F

G06F 17/30 (2006.01) G06K 17/00 (2006.01) G06Q 30/00 (2006.01)

Patent

CA 2173937

A method of sending messages to electronic price labels (EPLs) prior to their identification with price look- up (PLU) items which causes non-assigned EPLs to execute commands. In a first embodiment, non-assigned EPLs are provided with a common reserved EPL identification number. A broadcast message addressed to the reserved EPL identification number of the non-assigned EPLs and containing a command is transmitted as a broadcast message. Non-assigned EPLs accept the message and execute the command. In a second embodiment, non-assigned EPLS are provided with their own unique EPL identification numbers. A message addressed to the unique EPL identification number of the non-assigned EPL and containing a command is transmitted. Only the non-assigned EPL accepts the message and executes the command.

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