Low profile audio speaker

H - Electricity – 04 – R

Patent

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Details

H04R 7/00 (2006.01) G10K 13/00 (2006.01) H04R 9/06 (2006.01)

Patent

CA 2474493

A symmetrically loaded, shallow suspension speaker with stiff diaphragm (404) having a minimum dimension that is greater than the diameter of the magnet (406) that drives the diaphragm (404) thus allowing the suspension (418) of the diaphragm to extend nearly to the bottom of the speaker basket (402) on the maximum inward excursion of the voice coil (412) and diaphragm (404) such that the suspension operational depth is not the limiting factor of the overall height of the speaker. The elements of the suspension system are designed to maximize the spacing between the inner and outer portions of the suspension, thus minimizing the possibility of wobble in the speaker. The speaker design maximizes air movement in a given mounting depth with a configuration that optimizes the operation of the moving parts that complements the fixed mechanical structural configuration of the non-moving parts in either an overhung or underhung configuration. The design also accommodates user replacement of the voice coil (412) or cone.

La présente invention concerne un haut-parleur à suspension compacte et à chargement symétrique comprenant un diaphragme rigide présentant une dimension minimale qui est supérieure au diamètre de l'aimant qui active le diaphragme permettant ainsi la suspension du diaphragme de s'étendre pratiquement jusqu'à la base de la nacelle du haut-parleur lors de la course maximale vers l'intérieur de la bobine mobile et du diaphragme de sorte que la profondeur de fonctionnement de la suspension ne constitue pas le facteur de limitation de la hauteur globale du haut-parleur. Les éléments du système de suspension sont conçus de manière à maximiser l'espacement entre les portions intérieures et extérieures de la suspension, réduisant ainsi au minium la possibilité d'oscillation dans le haut-parleur. Le design du haut-parleur maximise le déplacement d'air dans une profondeur donnée de montage avec une configuration qui optimise le fonctionnement des parties mobiles qui est complémentaire de la configuration structurelle mécanique fixe des parties fixes en configuration de porte-à-faux ou suspendue. Le design permet aussi le remplacement par l'utilisateur de la bobine mobile ou du cône diffuseur.

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