Inductive miniature structural element, especially antenna

Details Inductive miniature structural element, especially antenna Inductive miniature structural element, especially antenna

H - Electricity

01

Q

H01Q 7/08 (2006.01) H01F 41/04 (2006.01) H01Q 1/22 (2006.01) H01Q 21/24 (2006.01)

Patent

CA 2544730

Disclosed is an inductive miniature structural element, particularly an antenna. Said structural element comprises a winding member (1) which is embodied as a flat component and on which three coil windings (2X, 2Y, 2Z) are mounted in such a way that the axes of said coil windings point in the three three-dimensional directions (X, Y, Z). The winding member (1) is made at least in part of ferrite material while the top face and the bottom face thereof are provided with guiding elements (1.5, 1.6, 1.7, 1.8) for directing the third coil winding. The winding member (1) is placed on a coil plate (3) made of electrically non-conducting, non-ferromagnetic material and is connected thereto. The coil plate (3) is provided with recesses into which the guiding elements that are located on the bottom face of the winding member (1) engage. The ends of the first and second coil winding (2X, 2Y) are wound around the guiding elements located on the bottom face of the winding member, respectively, while the ends of the third coil winding (2Z) are wound around corners or projections of the coil plate (3), respectively.

L'invention concerne un composant miniature inductif, notamment une antenne. Le composant selon l'invention comprend un corps d'enroulement (1), réalisé sous forme d'élément plat, sur lequel sont montés trois enroulements de bobine (2X, 2Y, 2Z) de sorte que leurs axes indiquent les trois directions (X, Y, Z) dans l'espace. Le corps d'enroulement (1) est au moins partiellement en ferrite et présente, sur sa face inférieure et sur sa face supérieure, des éléments de guidage (1.5, 1.6, 1.7, 1.8) servant à guider le troisième enroulement de bobine. Le corps d'enroulement (1) est posé sur une plaque de bobine (3) en matériau non électroconducteur et non ferromagnétique et est relié à cette plaque. La plaque de bobine (3) présente des évidements dans lesquels viennent s'engrener les éléments de guidage placés sur la face inférieure du corps d'enroulement (1). Les extrémités des premier et deuxième enroulements de bobine (2X, 2Y) sont enroulées respectivement autour des éléments de guidage placés sur la face inférieure du corps d'enroulement. Les extrémités du troisième enroulement de bobine (2Z) sont enroulées respectivement autour des coins ou des saillies de la plaque de bobine (3).

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