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:
Jul. 06, 2004
Filed:
Mar. 20, 2002
Applicant:
Inventors:
Thierry Judasz, Ramonville, FR;
Jean-Francois David, Toulouse, FR;
Jean-Marc Bassaler, Toulouse, FR;
Jacques Maurel, Cugnaux, FR;
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/502 ;
U.S. Cl.
CPC ...
H01Q 1/502 ;
Abstract
Dual polarisation antenna having low side lobes, useful in a satellite radio communication system. The antenna includes a reflector assembly ( ) illuminated by a feed source ( ). The reflector assembly ( ) includes a front reflector ( ) that reflects two electromagnetic waves orthogonally polarized and each at a different frequency, an auxiliary reflector ( ) that reflects one of the orthogonally polarized electromagnetic waves, and a deflecting surface ( ) that totally diffracts the orthogonally polarized electromagnetic wave that passes through the auxiliary reflector ( ).