Wireless power transmitting device and wireless power transmission system having a variable distance between a feeding surface and a power transmitting coil
US9130386B2 · kind B2 · utility
18Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2012 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Dec 22, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A wireless power transmitting device includes a housing configured to have a feeding surface on which a power receiving device is to be placed; a power transmitting coil disposed inside the housing and configured to have a central axis that intersects with the feeding surface; and an alternating-current power supply configured to supply power to the power transmitting coil, wherein the feeding surface has raised and recessed portions in an area corresponding to a region inside an outer region of the power transmitting coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.