Wireless charging device using multi-coil
US11437860B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2019 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Jan 13, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0013
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a wireless charging device in which multiple coils are overlapped with one another on separated cores. According to an embodiment of the present disclosure, the wireless charging device includes two flat cores spaced apart from each other, and a first layer coil to a fourth layer coil disposed above the two plate cores and disposed on different layers from one another and overlapped with one another, so that the multiple cores are overlapped with one another on the separated cores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.