Near field communication tag and control system for near field communication tag
US11916618B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2021 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Dec 12, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A Near Field Communication (NFC) tag and a control system for the NFC tag are provided. The NFC tag includes: a NFC coil, a control circuit, an energy acquisition circuit, and an energy storage circuit, wherein the NFC coil is configured to detect a magnetic field signal transmitted by a card reader when a distance between the NFC tag and the card reader is within a predetermined distance range; the energy acquisition circuit is configured to convert the magnetic field signal into an electrical signal when the NFC coil detects the magnetic field signal; and the control circuit is configured to control the energy acquisition circuit to transmit the electrical signal to the energy storage circuit, and control to charge the energy storage circuit through the electrical signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.