NFC charging
US11588519B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 14, 2021 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Sep 14, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/45
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a method for aligning a smartphone providing NFC wireless power for charging a battery of a device, the method comprising: emitting, with a first NFC antenna of the smartphone, an NFC field for wirelessly charging the battery of the device comprising a second NFC antenna; obtaining, with the smartphone, a measured value of a signal representative of the NFC field strength between the smartphone and the device; determining, by the smartphone, a range of values of a plurality of ranges of values the measured value belongs; and emitting, by the smartphone, at least one notification signal to a user with a frequency determined by the determined range of values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.