Helical type antenna and manufacturing method thereof
US5134422A · kind A · utility
67Cited by
11References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 1988 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Nov 29, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/38
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A helical type of antenna has at least one radiating cord, helically wound in a rotational shape. The antenna has a circuit for the supply of the radiating cords formed by a strip line type of transmission line which fulfills both the supply distribution function and the function of matching the radiating cords of the antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.