Charging indication apparatus and method thereof
US9293933B2 · kind B2 · utility
0Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2014 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Jun 6, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A charging indication apparatus and a method thereof are provided. A switching signal for controlling an operation frequency of a power conversion circuit is divided to obtain a divided frequency signal, and according to the divided frequency signal, a backlight module is controlled to emit a backlight source serving as a charging indication signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.