Loudspeaker

H - Electricity – 04 – R

Patent

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Details

H04R 9/06 (2006.01) H04R 1/24 (2006.01) H04R 1/30 (2006.01)

Patent

CA 2137075

A loudspeaker has a pole (6) and a surrounding magnet (3) which together define an annular gap (7). A voice coil (12) supported on a tubular former (8) is disposed within the gap (7) as is a conductive skirted dome (13). The dome (13) is supported upon an insulating gasket (14) providing three arcuate points of support and a phase plug (16) extends through a central opening (15) in the dome (13). The dome (13) and phase plug (16) are preferably,separated by a second gasket (27) which may or may not be bonded to both and the phase plug (16) suitably includes an integral born (20) extending beyond the former (8).

L'invention est constituée par un haut-parleur comportant une pièce polaire (6) avec un aimant environnant (3) séparés par un espacement annulaire (7). Une bobine mobile (12) portée par un cadre tubulaire (8) est montée dans l'espacement (7) ainsi qu'un dôme à jupe conducteur (13). Ce dôme (13) est supporté par un joint isolant (14) qui fournit trois points de support arqués et une fiche (16) traverse une ouverture centrale (15) pratiquée dans le dôme (13). Dans la concrétisation privilégiée de l'invention, le dôme (13) et la fiche (16) sont séparés par un second joint (27) qui peut être soudé au dôme et à la fiche et cette dernière porte une borne (20) qui dépasse le cadre (8).

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