ESL SYSTEM ON CHIP, ESL TERMINAL AND ITS CONTROLLING METHOD

摘要

The present invention relates to an electronic shelf label (ESL) terminal comprising: a memory for storing product information; a wireless communication unit for receiving renewal data about the product information; a control unit for processing the renewal data received in the wireless communication unit; a display unit for displaying the product information based on the renewal data processed by the control unit; a first regulator for supplying operating voltage to the wireless communication unit; a second regulator for supplying the operating voltage to the control unit; and a power control unit for controlling the first regulator and the second regulator; wherein the power control unit obtains a power on signal and turns off the first regulator based on the power on signal. [Reference numerals] (AA,CC) No;(BB,DD) Yes;(S510) Obtain a power on(ON) signal;(S520) Step of turning off(OFF) a first regulator and turning on(ON) a second regulator based on the power on(ON) signal;(S530) Initial setting step;(S540) Step of turning off the second regulator in case of obtaining a slip signal;(S550) Wake up?;(S560) Step of turning on the first regulator and turning on the second regulator;(S570) Receive renewal data about product information;(S580) Step of turning off the first regulator;(S590) Process the renewal data;(S592) Is it updated?;(S594) Update