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:
Sep. 04, 2012
Filed:
Sep. 11, 2008
Lamyaa Hanane, Toulouse, FR;
Sami Hebib, Toulouse, FR;
Hervé Aubert, Toulouse, FR;
Nelson Fonseca, Cugnaux, FR;
Lamyaa Hanane, Toulouse, FR;
Sami Hebib, Toulouse, FR;
Hervé Aubert, Toulouse, FR;
Nelson Fonseca, Cugnaux, FR;
Abstract
The invention relates to an antenna of the helix type, comprising a plurality of radiating strands wound in a helix in an axisymmetric form (), characterized in that each radiating strand is made up of at least one reference pattern (MR, MR, MR) defined by an analytic function defined in a reference frame, the axis of the abscissae of which is the director axis of the radiating strands and is a periodic function of (I) or (II) and Acorrespond respectively to the frequency and to the amplitude of the sinusoid of index k.