Phased array antenna with edge elements and associated methods

H - Electricity – 01 – Q

Patent

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Details

H01Q 1/38 (2006.01) G02B 26/00 (2006.01) H01Q 15/02 (2006.01) H01Q 21/00 (2006.01) H01Q 21/26 (2006.01)

Patent

CA 2550969

A phased array antenna (100) includes a substrate (104) having a first surface (106), and a second surface (108) adjacent thereto and defining an edge therebetween. A plurality of dipole antenna elements (40a) are on the first surface (106), and at least a portion of at least one dipole antenna element (40b) is on the second surface (108). Each dipole antenna element (40) includes a medial feed portion (42) and a pair of legs (44) extending outwardly therefrom. Adjacent legs (44) of adjacent dipole antenna elements (40) on the first and second surfaces (106, 108) include respective spaced apart end portions (46) having predetermined shapes and relative positioning for providing increased capacitive coupling between the adjacent dipole antenna elements (40).

L'invention concerne une antenne réseau à commande de phase (100) comprenant un substrat (104) pourvu d'une première surface (106), et d'une seconde surface (108) située contre la première et définissant un rebord entre les deux. Une pluralité d'éléments d'antenne dipôle (40a) sont disposés sur la première surface (106) et au moins une partie d'au moins un élément d'antenne dipôle (40b) est sur la seconde surface (108). Chaque élément d'antenne dipôle (40) comprend une partie d'alimentation médiale (42) et une paire de jambes (44) qui s'étendent vers l'extérieur. Des jambes contiguës (44) d'éléments d'antenne dipôle adjacents (30) situées sur la première et la seconde surface (106, 108) comportent des parties d'extrémité respectivement espacées (46) qui présentent des formes prédéterminées et un positionnement relatif afin de fournir une meilleure liaison capacitive entre les éléments d'antenne dipôle adjacents (40).

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