Wireless power transmission antenna with internal repeater and in-coil tuning
US11862991B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2021 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Nov 3, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/60
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An antenna for wireless power transmission includes a source coil comprised of a first conductive wire, the source coil including a first outer turn and a first inner turn, the source coil configured to connect to one or more electronic components for wireless power transfer. The antenna further includes an internal repeater coil comprised of a second conductive wire, the internal repeater coil including a second outer turn and a second inner turn, the internal repeater coil configured to have a repeater current induced in the second outer turn and the second inner turn. The antenna further includes a repeater tuning system in electrical connection with a beginning of the second outer turn and an ending of the second inner turn, the repeater tuning system positioned inward of the second outer turn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.