Non-contact type charger
US9941749B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 2015 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Dec 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/402
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided a non-contact type charger including: a plurality of power transmitting coils transmitting power in a non-contact manner; a plurality of switching units connected to the plurality of power transmitting coils, respectively, to switch power transmitted by corresponding power transmitting coils; and a switching control unit controlling power switching of the switching units, depending on coupling coefficients between each of the plurality of power transmitting coils and a plurality of power receiving coils which receive the power transmitted by the plurality of power transmitting coils to charge a plurality of battery cells connected thereto with power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.