Low gain wireless power transfer system and method
US11764611B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Apr 22, 2021 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Jun 25, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/402
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a first receiver coil configured to be magnetically coupled to a transmitter coil, a rectifier circuit coupled to two terminals of the first receiver coil, a second receiver coil and a first auxiliary switch connected in series, wherein the second receiver coil is configured to be magnetically coupled to the transmitter coil, and in response to a low power mode of the apparatus, the first auxiliary switch is configured to be turned on such that the first receiver coil and the second receiver coil are connected in series to boost a gain of the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.