Patent ID: 9013318
Filing Date: 2015-04-21
Classification: G06Q,G08B,G09F

Abstract:
1. An electronic shelf label comprising: a battery supplying power; a communication module transmitting information regarding a remaining battery capacity of the battery to a server, and receiving information regarding a remaining battery life corresponding to the remaining battery capacity; a display displaying product information and a price; a user input unit receiving a user input; and a controller checking the remaining battery capacity of the battery, and displaying the received information regarding the remaining battery life according to the user input; wherein the server receives the information regarding the remaining battery capacity, converts that information into the information regarding the remaining battery life and transmits the information regarding the remaining battery life to the communication module; wherein the remaining battery life is a usable time of the battery corresponding to the remaining battery capacity; wherein a unique identification assigned to the electronic shelf label is registered with the server; wherein the server uses the unique identification as an address to communicate with the electronic shelf label; and wherein the controller changes a mode of the electronic shelf label into a management mode in which the user input is received through tie user input unit, and the controller displays on the display the unique identification and the information regarding the remaining battery life.