H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 1/27 (2006.01) H01Q 1/22 (2006.01) H01Q 1/24 (2006.01) H01Q 9/30 (2006.01)
Patent
CA 2147007
The antenna device of the present invention is intended for a portable equipment for transmitting and/or receiving radio signals. Said antenna device comprises a helical antenna (6) substantially having the characteristics of a half-wave antenna, a half-wave antenna (1), and an impedance transformer (8). Said helical antenna (6), said half-wave antenna (1), and said impedance transformer (8) are intercouplable so that either said helical antenna (6) alone is coupled to said impedance transformer (8) or said helical antenna (6) and said half-wave antenna (1) are coupled in parallel to said impedance transformer (8) in order to form two different working antenna functions.
Le dispositif d'antenne selon la présente invention est conçu pour un équipement portable pour transmettre et/ou recevoir des signaux radio. Ledit dispositif d'antenne comprend une antenne hélicoïdale (6) possédant substantiellement les caractéristiques d'une antenne demi-onde, une antenne demi-onde (1), et un transformateur d'impédance (8). Ladite antenne hélicoïdale (6), ladite antenne demi-onde (1) et ledit transformateur d'impédance (8) sont couplables entre eux de sorte que soit ladite antenne hélicoïdale seule soit couplée audit transformateur d'impédance (8), soit ladite antenne hélicoïdale (6) et ladite antenne demi-onde (1) soient couplées en parallèle audit transformateur d'impédance (8) de manière à constituer deux fonctions opérationnelles d'antenne différentes.
Amc Centurion Ab
Sim & Mcburney
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