NFC charging
US12374925B2 · kind B2 · utility
0Cited by
13References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2022 |
| Grant date | Jul 29, 2025 |
| Priority date | — |
| Expiry date | Dec 8, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/79
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device includes: an NFC controller; a microcontroller; a charging circuit for an external battery; an energy recovery device; an antenna; and a switch. The NFC controller is configured to selectively control the switch in order to couple the energy recovery device to the charging circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.