Meta material antenna using coupling in helical structure
US8659501B2 · kind B2 · utility
1Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2009 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Dec 6, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q15/0086
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
There is provided an antenna implementing a first 0-th order resonant frequency using a first radiator to which power is fed through parallel inductors of helical structures, and implementing a second 0-th order resonant frequency using a second radiator to which power is couple-fed through radiation elements put into the helical structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.