Aerial coupling means

Details Aerial coupling means Aerial coupling means

H - Electricity

01

Q

H01Q 1/32 (2006.01) H01Q 1/24 (2006.01) H01Q 23/00 (2006.01) H04Q 7/32 (2006.01)

Patent

CA 2170984

An antenna coupling device is disclosed for connecting substantially inductively first antenna to a second antenna, whereat the antenna coupling device comprises as loop antenna (4) with two poles (15. 16). The loop antenna (4) is arranged to surround the first antenna and is connected to the second antenna via both of its poles (15, 16). Such an antenna coupling device connected via a cable (5) to an external antenna by the action of threading the antenna coupling device onto a helical antenna (2) of a hand-portable telephone (1) is used inside a vehicle for improving transmission and reception conditions for the hand- portable telephone (1).

L'invention concerne un dispositif de couplage d'antennes conçu pour raccorder de manière inductive une première antenne à une deuxième, ledit dispositif étant constitué d'une antenne-cadre (4) présentant deux pôles (15, 16). L'antenne-cadre (4) conçue de manière à entourer la première antenne est raccordée à la deuxième antenne par ses deux pôles (15, 16). Pour connecter ce dispositif de couplage d'antennes à une antenne externe par l'intermédiaire d'un câble (5), on visse ledit dispositif sur l'antenne en hélice (2) d'un téléphone portable (1), ledit dispositif étant utilisé à l'intérieur d'un véhicule de manière à améliorer les conditions de réception et d'émission pour le téléphone portable (1).

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