Loudspeaker

Details Loudspeaker Loudspeaker

H - Electricity

04

R

H04R 9/00 (2006.01) H04R 1/30 (2006.01)

Patent

CA 2517448

A loudspeaker comprising a housing provided with a magnet unit that generates a magnetic field and a membrane which is mounted in a frame and which is provided with an electrical conductor arranged in a pattern on the membrane, which membrane is positioned in the magnetic field in such a manner that a force is exerted when current is fed through the conductor pattern on the membrane, which force is capable of setting the membrane in motion so as to produce sound, wherein the conductor pattern is provided on the membrane in at least two spaced-apart vibrating regions, wherein the loudspeaker is provided with at least two sound channels extending between the two vibrating regions and the outer side of the housing, and wherein the central axes of the two sound channels, which are located between the outer wall and the inner wall of each channel, incline towards each other over a particular distance from the membrane.

L'invention concerne un haut-parleur comprenant un boîtier doté d'une unité magnétique, qui génère un champ magnétique, et d'une membrane montée dans un cadre et pourvue d'un conducteur électrique disposé selon un tracé sur la membrane. Cette membrane se trouve dans le champs magnétique, de telle sorte qu'une force est exercée lorsque le courant traverse le tracé conducteur de la membrane, cette force pouvant mettre la membrane en mouvement pour produire un son. Le tracé conducteur est disposé sur la membrane dans au moins deux zones de vibrations séparées. Le haut-parleur comporte au moins deux canaux sons s'étendant entre les deux zones de vibrations et la face externe du boîtier. Les axes centraux des deux canaux sons, situés entre la paroi externe et la paroi interne de chaque canal, sont inclinés l'un vers l'autre sur une distance donnée à partir de la membrane.

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