Handheld device in an electronic labelling system

Abstract

A handheld device for personal use for communication with electronic labels (11) in an ESL system comprises, in addition to control means (55), memory means (61), transmission means (57) for transmitting a command to the electronic labels, and one or more buttons (53, 53') for user input, a receiver (63) for receiving informa-tion from a central unit (1) in the system. The information may comprise new com-mands, or an authorization code that may be included in commands sent to the labels for authorization of the handheld device.

Description

technical field [0001] The invention relates to a handheld device for use in an electronic shelf label system as defined in the preamble of claim 1 . The invention also relates to an electronic shelf label, an electronic shelf label system and a method for an electronic shelf label system according to the preambles of claims 15, 9 and 17 respectively. Background technique [0002] Electronic labeling systems are known in which electronic labels can be placed, for example, on shelves in grocery stores as price tags. The information displayed on the tag can be updated by the central unit through an infrared (IR) link or RF communication with the tag. Such systems are often referred to as electronic shelf labeling systems (ESL), but the labels do not necessarily have to be placed on the shelf. Alternatively, the tags may be hung from the ceiling or otherwise displayed. In this document, the phrases electronic tags and electronic shelf labels are used interchangeably and are ...

AI Technical Summary

Problems solved by technology

Changing the authentication code requires advanced equipment and often requires returning the handheld to the manufacturer

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