Helix antenna and method for manufacturing the same
US7253787B2 · kind B2 · utility
10Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2005 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Sep 30, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q11/08
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for manufacturing a helix antenna. A ceramic cylinder including a central through hole, a first annular surface, and a second annular surface is provided. The first annular surface is opposite the second annular surface. The central through hole is between the first and second annular surfaces. A flexible printed circuit board with a metal feeding strip extending outside the flexible printed circuit board is provided. The flexible printed circuit board is swirled and attached to the circumferential surface of the ceramic cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.