Electronic device powered on in response to radio frequency signal, near field communication tag circuit included therein, and operating method thereof
US12346763B2 · kind B2 · utility
0Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2023 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Dec 22, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/79
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A near field communication (NFC) device includes a DC power supply configured to output a DC voltage, an NFC interface configured to generate a control signal in response to an NFC signal, and a voltage supply control circuit configured to supply the DC voltage to an electronic circuit in response to the control signal and maintain supply of the DC voltage to the electronic circuit in response to a voltage maintaining signal generated by the electronic circuit powered on by the DC voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.