High transmission loss headphone cushion

Details High transmission loss headphone cushion High transmission loss headphone cushion

H - Electricity

04

R

H04R 1/10 (2006.01)

Patent

CA 2744472

A headset including an earcup having a front opening adapted to be adjacent to the ear of the user, a baffle disposed within the earcup to define front and rear cavities, a cushion extending around the periphery of the front opening of the earcup and constructed and arranged to accommodate the ear of the user, the cushion having a first density, an inner radial portion, and an outer radial portion opposite the inner radial portion, a cushion cover substantially surrounding the cushion to form a headphone cushion assembly, and a high impedance component having a second density and located near the outer radial portion to increase the transmission loss of the cushion along a radial direction.

L'invention concerne un casque audio comportant un protège-oreilles ayant une ouverture avant à placer devant l'oreille d'un utilisateur, une baffle disposée dans le protège-oreilles pour définir des cavités avant et arrière, et un coussin qui s'étend autour de la périphérie de l'ouverture avant du protège-oreilles et construit et agencé de manière à recevoir l'oreille de l'utilisateur. Le coussin a une partie intérieure radiale de première densité, et une partie extérieure radiale opposée à la partie intérieure radiale, un revêtement de  coussin entourant substantiellement le coussin pour former un ensemble de coussin de casque audio, et un composant haute impédance avec une deuxième densité et situé à proximité de la partie extérieure radiale pour augmenter la perte de transmission du coussin le long d'une direction radiale.

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