Broad-band high-directivity antenna
US5061944A · kind A · utility
64Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1989 |
| Grant date | Oct 29, 1991 |
| Priority date | — |
| Expiry date | Sep 1, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q19/30
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
This Yagi-Uda-type antenna includes also a sleeve embracing the dipole. The sleeve may be a closed cylindrical element surrounding the dipole or it may comprise a pair of discrete elements forming an "open sleeve". The dipole, sleeve, reflector, and director elements may be in filamentary form, or they may be fabricated from stripline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.