Antenna for portable radio equipment

Details Antenna for portable radio equipment Antenna for portable radio equipment

H - Electricity

01

Q

H01Q 9/14 (2006.01) H01Q 1/10 (2006.01) H01Q 1/24 (2006.01) H01Q 9/32 (2006.01)

Patent

CA 2043321

An antenna for portable radio equipment serves as a .lambda./2 wavelength long antenna when extended or as a less than .lambda./4 wavelength long antenna such as a .lambda./8 wavelength long antenna when contracted. Both of such antenna configurations are matched by a single matching circuit with respect to impedance. The antenna radiates power efficiently in the horizontal plane.

'invention est une antenne pour appareil radio portatif qui sert d'antenne longue d'une demi-longueur d'onde quand elle est étirée ou d'une antenne de longueur inférieure à un quart de longueur d'onde, telle qu'une antenne d'un huitième de longueur d'onde, quand elle est contractée. Ces deux configurations d'antenne ont leurs impédances adaptées par un même circuit d'adaptation. L'antenne rayonne l'énergie efficacement dans le plan horizontal.

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