Slot antenna

H - Electricity – 01 – Q

Patent

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Details

H01Q 13/10 (2006.01)

Patent

CA 2303013

A slot antenna (10) includes two annular conductors (12, 14) separated by a slot (20). A shorting post (18) connects the annular conductors to each other at some point along the slot. The slot may have at least one serrated edge. The slot antenna can be made, e.g., by affixing conductive tape to a flexible substrate, photoetching a pattern in the copper-clad surface of a flexible substrate, or machining material from a conductive tubing.

L'invention se rapporte à une antenne à fente (10) comportant deux conducteurs annulaires (12, 14) séparés par une fente (20). Un montant court-circuit (18) relie entre eux les deux conducteurs annulaires au niveau d'un point le long de la fente. La fente peut posséder au moins une arête dentelée. Il est possible de fabriquer cette antenne à fente en fixant, par exemple, un ruban conducteur sur un substrat flexible, en procédant à une photogravure produisant un motif sur la surface cuivrée du substrat flexible, ou en l'usinant à partir d'un tube conducteur.

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