Loudspeaker system

H - Electricity – 04 – R

Patent

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Details

H04R 1/02 (2006.01) H04R 1/28 (2006.01)

Patent

CA 2154340

The present invention concerns a multiple speaker loudspeaker system wherein an internal baffle (30) extends the full length of the interior volume dividing the interior volume (24) into two unequal portions (26, 28). The baffle (30) has folded portions (34, 36), which is not parallel to the walls of the enclosure. Loudspeaker (38, 40) are mounted onto the folded portions (26, 28) within a first volume (26, 28). The loudspeaker (38, 40) radiate sound into a second volume (26, 28). One of the first and second volume (26, 28) is ported in a bandpass configuration, to the outside of the enclosure. Thus, the non-parallel portions of the baffle (34, 36) reduce unwanted peaks and/or cancellations in the sound emanating from the enclosure. Additionally, the baffle (30) is secured along its width to top and bottom walls (20, 22) of the enclosure, thus also providing extra rigidity to the enclosure.

La présente invention concerne un enceinte acoustique comportant plusieurs haut-parleurs, dans lequel un écran interne (30) est placé suivant toute la longueur du volume interne divisant celui-ci en deux parties inégales (26, 28). L'écran (30) possède des parties pliées (34, 36) qui ne sont pas parallèles aux parois de l'enceinte. Des haut-parleurs (38, 40) sont montés sur les parties pliées (26, 28) à l'intérieur d'un premier volume (26, 28). Les haut-parleurs (38, 40) rayonnent le son vers un deuxième volume (26, 28). L'un des premier et deuxième volumes (26, 28) possède des ouvertures en configuration de bande passante, vers l'extérieur de l'enceinte. Ainsi, les parties non-parallèles de l'écran (34, 36) réduisent les crêtes non-désirées et/ou les annulations du son émanant de l'enceinte. De plus, l'écran (30) est fixé sur toute sa largeur aux parois supérieure et inférieure (20, 22) de l'enceinte, ce qui lui confère une rigidité accrue.

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