A transducer element

H - Electricity – 01 – L

Patent

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Details

H01L 41/04 (2006.01) G01V 15/00 (2006.01) G08B 13/24 (2006.01) H01L 41/06 (2006.01) H01L 41/09 (2006.01)

Patent

CA 2198931

The invention relates to a transducer element for transforming mechanical energy to electrical energy or vice versa. The element comprises an elongated thin strip or ribbon of a magneto-elastical or piezo-electrical material. According to the invention the element has a cross-sectional shape deviating from a planar cross-sectional shape, and the cross section may for instance form a portion of a circle, have an angular or right-angled shape, or an L-, U- , T-, or S-shape. According to one embodiment the element is constituted by a thin strip or ribbon of an amorphous magneto-elastical material with a high magneto-mechanical coupling.

Elément transducteur, transformant l'énergie mécanique en énergie électrique ou inversement. Cet élément comprend une mince lamelle de forme allongée ou un ruban d'un matériau magnéto-élastique ou piézo-électrique. Cet élément présente une configuration de section transversale s'écartant de la section transversale d'un plan, puisqu'elle peut être, par exemple, en forme d'arc de cercle ou décrire un angle, ordinaire ou droit, ou encore revêtir la forme d'un L, d'un U, d'un T ou d'un S. Selon l'un des modes de réalisation possibles, cet élément est constitué d'une mince bande ou d'un mince ruban d'un matériau amorphe magnéto-élastique présentant un couplage magnéto-mécanique élevé.

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