Coil structure of wireless power transmitter
US11049648B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2017 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Feb 27, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2027/2809
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to an embodiment of the present invention, a resonator transmitting power in a resonant mode includes: a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction; and a second coil including three sub-coils and ferrite plates, and the first coil may be stacked adjacent to the second coil, and the first coil may correspond to a resonance coil driven in the resonance mode and the second coil may correspond to an induction coil driven in an induction mode, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.