Antenna for portable radio communication apparatus

H - Electricity – 01 – Q

Patent

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Details

H01Q 1/27 (2006.01) H01Q 1/10 (2006.01) H01Q 1/24 (2006.01)

Patent

CA 2114458

An antenna mounted on and retractable into a casing of a portable radio communication apparatus. When the antenna is pulled out of the casing, it plays the role of a .lambda./2 whip antenna. Even when the antenna is retracted into the casing, it has substantially the same gain as when pulled out from the casing.

Antenne rétractable montée dans le boîtier d'un appareil de radiocommunication portatif. Lorsque l'antenne est extraite du boîtier, elle fonctionne comme une antenne fouet .lambda./2. Même lorsque l'antenne est rentrée dans le boîtier, elle présente essentiellement le même gain que lorsqu'elle est sortie.

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