Directional antenna array

H - Electricity – 01 – Q

Patent

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Details

H01Q 9/28 (2006.01) H01Q 19/30 (2006.01)

Patent

CA 2505482

A directional antenna array is provided that includes a driven element and a first parasitic element separated from the driven element with the first parasitic element and/or the driven element having a width that is greater than about one-half a percent (0.5%) of an free-space wavelength of the directional antenna array. Alternatively or in conjunction, the directional antenna array includes a balun structure that is configured to couple the driven element to at least one of an electromagnetic energy source and an electromagnetic sink, and the balun structure includes a dipole structure, a first feed point extending from the dipole structure and a second feed point extending from the first parasitic element.

L'invention concerne un réseau d'antennes directives, comprenant un élément mené et un premier élément non alimenté, séparé de l'élément mené. Le premier élément non alimenté et/ou l'élément mené présentent une largeur supérieure à approximativement zéro virgule 5 pour cent (0,5%) d'une longueur d'onde en espace libre du réseau d'antennes directives. Autrement ou de manière conjointe, le réseau d'antennes directives comprend une structure de symétriseur, qui est configurée de manière à coupler l'élément mené à au moins un des éléments suivants : une source d'énergie électromagnétique et un puits électromagnétique. La structure de symétriseur comprend une structure dipôle, un premier point d'alimentation s'étendant à partir de la structure dipôle et un second point d'alimentation s'étendant à partir du premier élément non alimenté.

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