The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 2004
Filed:
Jul. 17, 2002
Applicant:
Inventor:
Daniel Tits, Droue sur Drouette, FR;
Assignee:
Eutelsat SA, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/300 ;
U.S. Cl.
CPC ...
H01Q 1/300 ;
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 ( ) having an outer elliptical aperture and an inner cylindrical waveguide with an inner portion ( ) and a step section ( ) and in that cavity elements ( ) are added to the step section ( ) for compensating cross-polar components. The invention can be used in antenna systems.