Wireless power control method and device
US10790693B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 17, 2017 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Apr 27, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2207/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method for identifying a wireless power receiver and devices therefor. According to an embodiment of the present invention, a wireless power transmission device for transmitting power wirelessly to a wireless power reception device may comprise: a power conversion unit for converting, to a specific direct current power, a direct current power received from a power supply unit; and a feedback circuit for controlling an output voltage of the power conversion unit so that intensity of current that is input to the power conversion unit is maintained constant. Therefore, the present invention is advantageous in that the present invention enables transmission of appropriate power to a wireless power receiver even in a situation where a coupling coefficient between transmission/reception coils changes abruptly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.