High efficiency wireless charger system
US10826315B2 · kind B2 · utility
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19Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 30, 2018 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Oct 30, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2207/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In some embodiments, a wireless power charging circuit includes a wireless power receiver configured to receive wireless power from a receive coil and to produce a first voltage; an open loop capacitor divider coupled to receive the first voltage from the wireless power receiver and configured to provide a second voltage, the second voltage being reduced from the first voltage; and a linear battery charger coupled to receive the second voltage from the open loop capacitor and configured to provide a charging voltage to provide to a battery coupled to the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.