Driving a loudspeaker diaphragm at nodal positions

Abstract : The loudspeaker driving arrangement comprises: - a vibrating support or diaphragm that is operable to vibrate according to a piston mode and a plurality of break-up modes when excited, - several actuators 16, 18 that are connected to the vibrating support for supplying excitation thereto, wherein the loudspeaker driver comprises N actuators (16, 18) that are located substantially at the N vibrating nodes (A, C) respectively of the (N+1)th order break-up mode. The embodiments describe the situations in which N=2 or 3.
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Contributeur : Olivier Doaré <>
Soumis le : dimanche 29 mars 2015 - 12:11:56
Dernière modification le : mercredi 20 décembre 2017 - 11:34:06


  • HAL Id : hal-01136840, version 1



Gérald Kergourlay, Olivier Doaré. Driving a loudspeaker diaphragm at nodal positions. United Kingdom, Patent n° : GB2492165. 2012. 〈hal-01136840〉



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