Stacked coil structure and electronic device including the same
US11177666B2 · kind B2 · utility
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20Claims
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Assignee
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Key dates
| Filing date | Jun 18, 2019 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Feb 13, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic device is provided. The electronic device includes a coil unit, a power transmission circuit electrically connected to the coil unit, and a control circuit configured to wirelessly transmit power using the coil unit, and the coil unit may include a first coil. The first coil may include a first layer wound in a first shape by a first number of turns, and a second layer extending from the first layer and wound in a second shape by a second number of turns, and the second layer may be disposed above the first layer to overlap the first layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.