Smart NFC antenna matching network system having multiple antennas and user device including the same
US9800295B2 · kind B2 · utility
3Cited by
6References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2016 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Aug 23, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/77
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A near field communication (hereinafter, referred to as “NFC”) antenna matching network system connected to an NFC transceiver is provided. The NFC antenna matching network system includes a matching circuit connected to first and second antenna terminals and to the NFC transceiver; and a plurality of NFC antennas connected in parallel and physically with the first and second antenna terminals, wherein each of the NFC antennas comprises a source coil connected between the first antenna terminal and the second antenna terminal; and a resonance coil physically separated from the source coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.