Antenna for an NFC device
US9088066B2 · kind B2 · utility
5Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2011 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Dec 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/2225
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An antenna for near-field communication, comprising at least four turns and having an outside periphery and an inside periphery both of substantially rectangular shape. An inter-turn distance separates two adjacent turns. Each turn has a width substantially equal to the inter-turn distance. In addition, the inside periphery has: (i) a length less than 7 times the distance between the outside periphery and the inside periphery along a longitudinal axis of said antenna, and (ii) a width less than 4 times the distance between the outside periphery and the inside periphery along a lateral axis of said antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.