Variable-pitch helical antenna, and corresponding method
US6836257B2 · kind B2 · utility
4Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2003 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Mar 3, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q11/08
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A helical antenna includes at least a helix consisting of at least two radiating strands, at least one of the strands consisting of at least two segments, the winding angles of at least two of the segments being different and randomly or pseudo-randomly determined with global optimising means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.