Antenna assembly and communications device

Details Antenna assembly and communications device Antenna assembly and communications device

H - Electricity

01

Q

H01Q 1/08 (2006.01) H01Q 1/24 (2006.01) H01Q 9/42 (2006.01)

Patent

CA 2226250

An antenna assembly has a rotatable antenna arm with an active portion and a switching portion, a ground plane and an inductive loop element connected to the ground plane. In a first position of the arm, the arm is generally parallel to the ground plane and the switching portion is connected to the inductive loop element, forming a transmission line antenna. In a second position of the arm, the arm is extended away from the ground plane and the switching portion is disconnected from the inductive loop element, thus forming a whip antenna.

Cette invention concerne un système d'antenne, lequel comprend un bras d'antenne rotatif avec une partie active et une partie de commutation, un plan de sol, ainsi qu'un élément à boucle d'induction connecté audit plan de sol. Dans une première position, le bras est globalement parallèle au plan de sol tandis que la partie de commutation est connectée à l'élément à boucle d'induction de manière à former une antenne à ligne de transmission. Dans une seconde position, le bras est écarté du plan de sol tandis que la partie de commutation est déconnectée de l'élément à boucle d'induction de manière à former une antenne-fouet.

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