Electronic shelf label tag, electronic shelf label system for time-division transmission of display data and change command data, and operating method thereof
US9454919B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2015 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | May 26, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B5/36
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
An electronic shelf label tag includes a communications unit configured to wirelessly communicate with an electronic shelf label repeater; a control unit configured to control operations including receiving display data including display information mapped to a display information index from the communications unit prior to a preset time, storing the display data, receiving change command data including the display information index from the communications unit after the preset time, retrieving the display information mapped to the display information index included in the change command data from the stored display data, and displaying the retrieved display information on a screen; a memory unit configured to store the display data including the display information mapped to the display information index under the control of the control unit; and a display unit configured to display the retrieved display information on the screen under the control of the control unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.