Dual element headphone

H - Electricity – 04 – R

Patent

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Details

H04R 5/033 (2006.01)

Patent

CA 2132207

A dual element headphone (10) including a first acoustic transducer (28) mounted within a first housing so as to direct sound in a certain direction out of the fist housing. The first housing is sized small enough so as to at least partially fit into the cavum concha of a listener's ear, and yet be larger in area than the entrance of the external acoustic meatus of the listener's ear. A second acoustic transducer (18) is mounted within a second housing. That second housing is substantially larger than the first housing, and overlies at least portion of the auricle of the listener's ear. A crossover circuit divides the electrical signals received by the headphone and transmits signals for higher frequencies to the first smaller transducer and signals for lower frequencies to the second larger transducer. The first transducer may be flexibly mounted for improved comfort and sound fidelity.

Casque (10) à deux éléments comportant un premier transducteur acoustique (28) monté dans un premier boîtier de manière à diriger le son dans une certaine direction à la sortie du premier boîtier. Le premier boîtier est suffisamment petit pour être introduit au moins partiellement dans la conque de l'oreille de l'auditeur et cependant plus grand en superficie que l'entrée du conduit auditif externe de l'oreille de l'auditeur. Un second transducteur (18) acoustique est monté dans un second boîtier. Ce second boîtier est considérablement plus grand que le premier boîtier et recouvre au moins une partie du pavillon auriculaire de l'oreille de l'auditeur. Un circuit de croisement divise les signaux électriques reçus par le casque et transmet les signaux pour les fréquences les plus élevées au premier transducteur, le plus petit, et les signaux pour les fréquences les plus basses au second transducteur, le plus grand. Le premier transducteur peut être monté de manière souple pour un confort et une fidélité du son améliorés.

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