Electronic shelf label system
AssigneeToshiba Tec Kabushiki Kaisha
InventorNobuo Murofushi
Life of this patent
Estimating the term…
Abstract
If an electronic shelf label server receives a replacement request from each of the electronic shelf labels, a date of a corresponding electronic shelf label number is read out from a database and an object range is determined based on this date. Then, whether or not a date corresponding to the electronic shelf label number is within the determined object range is determined so as to specify an electronic shelf label which should be replaced. Information of this specified electronic shelf label is displayed on a display.
Claims18
An electronic shelf label system placed on a product display shelf and having a plurality of electronic shelf labels each having a display for indicating information corresponding to each of displayed products and an electronic shelf label server, wherein
- each of said electronic shelf labels comprises:
- a battery for supplying electric power;
- and
- a battery control means for supervising the battery and if the power capacity thereof drops below a predetermined level, notifying said electronic shelf label server of the drop of the battery capacity, and
- said electronic shelf label server comprises:
- determining means for if being notified of a drop of the battery power capacity from an electronic shelf label whose battery capacity drops below a predetermined level, determining a replacement object range based on predetermined information;
- specifying means for specifying electronic shelf labels based on the object range determined by said determining means;
- and
- output means for outputting information of the electronic shelf label specified by said specifying means.
Dependencies are inferred from the claim text.