Low cost high performance antenna for use in interactive satellite terminals
US6771225B2 · kind B2 · utility
234Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 2002 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Jul 17, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q13/0225
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to a Interactive Satellite Terminal antenna system comprising an antenna to which is associated a feed horn. This antenna systems characterized in that it comprises an elliptical parabolic main reflector and a corrugated feed horn (2) having an outer elliptical aperture and an inner cylindrical waveguide with an inner portion (7) and a step section (8) and in that cavity elements (10) are added to the step section (8) for compensating cross-polar components. The invention can be used in antenna systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.