Switch-mode power supply of a NFC type reader
US12081286B2 · kind B2 · utility
0Cited by
9References
22Claims
0Family size
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Key dates
| Filing date | Sep 30, 2019 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Nov 28, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A reader is adapted to wirelessly exchanging information with a wireless apparatus. The reader includes a signal generator configured to generate a modulation signal. An emitter/receptor stage is configured to be driven by the modulation signal. A switched-mode power supply is configured to power the emitter/receptor stage. The switched-mode power supply includes a power switch controlled in function of the modulation signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.