Resonant wireless charging system and method for electric toothbrush
US10523036B2 · kind B2 · utility
5Cited by
31References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2016 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Dec 14, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2310/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system for wireless electrical charging is disclosed. The system may comprise a charging station and one or more electric devices. The charging station may comprise an input node configured to receive a power input, and a transmitter resonant circuit including a transmitter coupling coil configured to oscillate at a resonant frequency. The one or more electric devices may comprise a receiver resonant circuit including a receiver coupling coil wirelessly coupled to the transmitter coupling coil, and a DC voltage charger configured to charge one or more batteries in the electric device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.