Balanced dipole antenna for mobile phones

Details Balanced dipole antenna for mobile phones Balanced dipole antenna for mobile phones

H - Electricity

01

Q

H01Q 1/24 (2006.01) H01P 5/10 (2006.01) H01Q 9/16 (2006.01) H03H 7/42 (2006.01)

Patent

CA 2353927

A balanced dipole antenna (600) for a mo- bile phone comprises a radiator element (604) and a counterpoise (608), both formed of a con- ducting material. The counterpoise is electrically isolated from the ground plane of a printed wire board (PWB) (612) of the mobile phone. A matching network, for example, a balun (616, 900, 1000, 1100), provides balanced current to the dipole antenna, resulting in a symmetric radi- ation pattern. The balanced dipole antenna (600) allows superior performance over conventional antennas found in mobile phones today by en- abling a user of a mobile phone to communicate effectively and uniformly in all directions, that is, 360 degrees.

L'invention concerne une antenne doublet (600) équilibrée pour téléphone mobile, qui comporte un élément de radiateur (604) et un contrepoids (608) constitués d'une matière conductrice. Le contrepoids est électriquement isolé du plan de masse d'une plaquette de circuit imprimé (PWB) (612) du téléphone mobile. Un réseau d'adaptation, par exemple, un symétriseur (616, 900, 1000, 1100) fournit un courant équilibré à l'antenne doublet, ce qui permet d'obtenir un diagramme de rayonnement symétrique. L'antenne doublet équilibrée (600) présente des performances supérieures par rapport à des antennes classiques de téléphones mobiles actuels, et permet à un utilisateur de téléphone mobile de communiquer efficacement et uniformément dans toutes les directions, soit sur 360 degrés.

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