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. 10, 2001
Filed:
Sep. 20, 1999
Applicant:
Inventors:
Pär Bengtsson, Alingsås, SE;
Sven-Olof Brattström, Kållered, SE;
Assignee:
Saab Ericsson Space AB, Göteborg, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/36 ;
U.S. Cl.
CPC ...
H01Q 1/36 ;
Abstract
An antenna element for circular polarization comprising a ground plane with first to fourth radiation members in the form of helical wires symmetrically arranged around a symmetry axis. The antenna element further comprises a distribution network arranged below the ground plane. Outer lower ends of the radiation members are attached in a supporting manner, electrically conducting, to the ground plane. Upper ends of the radiation members face away from the ground plane and are electrically interconnected.