Method for updating the position of electronic price tag by graphic code
US10163373B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 2, 2016 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Aug 2, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2380/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for updating the position of electronic price tag by graphic code including: step 1, placing a plurality kinds of commodities on a commodity shelf, mounting an electronic price tag screen on the commodity shelf and below the commodities; step 2, displaying at least n position graphic codes with an even interval on the electronic price tag screen; step 3, carrying out a first scan to send the commodity information to a server; step 4, carrying out a second scan to check a position of the commodity; step 5, sending a plurality of size graphic codes with different size information to a position where the position graphic code in step 4 locates; step 6, selecting a size graphic code with a proper size for a third scan by the supermarket tally clerk; step 7, generating a commodity tag by the server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.