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Patents Year : 2012

Driving a loudspeaker diaphragm at nodal positions

Olivier Doaré


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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Dates and versions

hal-01136840 , version 1 (29-03-2015)


  • 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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