Wireless power transmitting device and method
US10910864B2 · kind B2 · utility
1Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2018 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Mar 30, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a wireless power transmitting device and method, the wireless power transmitting device including, in response to detection of a power receiver within a predetermined separation distance from a charging pad, a controller configured to generate a magnetic field through a transmission coil with a multilayer structure in which a plurality of coil layers of different sizes are stacked, and a power transmitter configured to wirelessly transmit, to a reception coil of the power receiver, a power signal generated using magnetic fields generated by the plurality of coil layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.