Wireless power transfer method and device therefor
US11056931B2 · kind B2 · utility
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19Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Aug 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/402
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to wireless power transmission technology, and more particularly, to a wireless power transfer method and a device therefor. The wireless power transfer method may include operating with a first driving voltage, determining whether a ping phase is entered, determining whether the wireless power transmitter is in a first state when the ping phase is entered; and operating with a second driving voltage when the first state is determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.