A surface element and a device for generating sound

Details A surface element and a device for generating sound A surface element and a device for generating sound

H - Electricity

04

R

H04R 1/00 (2006.01) H04R 1/44 (2006.01) H04R 15/00 (2006.01) H04R 17/00 (2006.01)

Patent

CA 2190726

A surface element for a device for generating sounds by influencing opposite extremities of a surface element to oscillate from and towards each other and thereby the surface element to oscillate transversely thereto and generate sounds has at least a portion formed in the thickness direction thereof by at least two first layers (12) and an intermediate layer (13) having a lower average density than the density of the two first layers.

L'invention concerne un élément de surface destiné à un dispositif pour produire des sons en agissant sur les extrémités opposées de celui-ci afin de les faire osciller l'une par rapport à l'autre et l'une en direction de l'autre et ainsi faire osciller l'élément de surface transversalement par rapport à ces dernières et produire des sons. Cet élément de surface comporte au moins une partie formée, dans le sens de son épaisseur, par au moins deux premières couches (12) et une couche intermédiaire (13) présentant une densité moyenne inférieure à la densité des deux premières couches.

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