Wireless power transmission device, wireless power reception device, and wireless charging system
US10784043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2016 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Feb 4, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a wireless power transmission device formed so as to wirelessly transmit power to a wireless power reception device, wherein the wireless power transmission device comprises: a first coil formed so as to transform a current into a magnetic field; and a first metal member formed so as to cover at least a portion of the first coil, and, in the present invention, the first metal member changes an emission direction of a magnetic field formed in the first coil so as to allow the power to reach the wireless power reception device which is positioned on a side surface of the wireless power transmission device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.