Electric/acoustic transducer module, intra-aural hearing-aid...

H - Electricity – 04 – R

Patent

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Details

H04R 25/02 (2006.01) H04R 1/10 (2006.01)

Patent

CA 2340725

The invention relates to an electric/acoustic transducer module for a hearing- aid worn behind the ear or intra-aurally. Said transducer module has a loudspeaker, comprising a diaphragm (5), operated by an electromotive drive. The diaphragm (5) is situated in a loudspeaker housing (8) which is mounted in a capsule housing (13) in a spring-loaded manner. An intermediate gap (11) extends between the capsule housing (13) and the loudspeaker housing (8). A first chamber (R1) on one side of the diaphragm (5) in the loudspeaker housing (8) is linked to the acoustic outlet (A A) of the transducer assembly, whilst a second chamber (R2) on the other side of the diaphragm (5) in the loudspeaker housing (8) is linked (9) to the intermediate gap (11).

L'invention concerne un module convertisseur électrique/acoustique destiné à un appareil acoustique se plaçant derrière ou dans l'oreille, qui comporte un haut-parleur pourvu d'une membrane (5) actionnée de façon électromotrice. Cette membrane (5) est montée dans un boîtier de haut-parleur (8) qui est lui-même monté, de façon élastique, dans un boîtier blindé (13). Entre ce boîtier blindé (13) et le boîtier de haut-parleur (8) est défini un espace intermédiaire (11). Un premier espace (R1), se trouvant sur un côté de la membrane (5), dans le boîtier de haut-parleur (8), est couplé avec la sortie acoustique (AA) de l'ensemble convertisseur (1), tandis qu'un second espace (R2), se trouvant sur l'autre côté de la membrane (5), dans le boîtier de haut-parleur (8), est couplé (9) avec l'espace intermédiaire (11).

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