Elongated twin feed line RFID antenna with distributed radiation perturbations
US8058998B2 · kind B2 · utility
13Cited by
4References
28Claims
0Family size
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Key dates
| Filing date | Mar 2, 2009 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Dec 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/245
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An RFID antenna comprising an elongated structure existing along an axis that is long compared to the signal wavelength and including twin ribbon-like feed lines of electrically conductive material, the feed lines being in a common plane and being uniformly laterally spaced from one another, and a plurality of radiating perturbations associated with the feed lines at a plurality of locations spaced along the feed lines, at each location each feed line has its own individual perturbation or portion of a perturbation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.