Multifilar helix antennas
US7142170B2 · kind B2 · utility
5Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2003 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Feb 18, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/242
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A multifilar helix antenna includes helical antenna filaments, each filament having a square waveform pattern along its length, resulting in reduced axial length. A multifilar helix antenna according to the invention includes helical antenna filaments, each filament incorporating a microstrip spur-line band stop filter enabling multi-band operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.