Fresh lamp, mobile terminal, and system and method for determining product information
US10588191B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | May 23, 2017 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | May 23, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fresh lamp, which includes: an LED module, and a driving power supply connected to the LED module which includes a bright-dark control circuit; wherein the bright-dark control circuit includes a programmable circuit, the programmable circuit being configured to program product information into binary codes; wherein the bright-dark control circuit is configured to switch on the driving power supply according to one of the numbers “1” and “0” in the binary codes and switch off the driving power supply according to the other one of the numbers “1” and “0” in the binary codes so that the LED module emits light signals alternating with brightness and darkness to form light emission information corresponding to the product information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.