Sound generator

    Research output: Patent

    20 Downloads (Pure)


    A sound generator, particularly a loudspeaker, configured to emit sound, comprising a rigid element (2) enclosing a plurality of air compartments (3), wherein the rigid element (2) has a back side (B) comprising apertures (4), and a front side (F) that is closed, wherein the generator is provided with at least one actuator (6), for instance one or more electromagnetic actuators and/or piezoelectric elements, configured to actuate the rigid element (2) for the generation of the sound.
    Original languageUndefined
    Patent numberWO2008/136668 A1
    Publication statusPublished - 13 Nov 2008


    • Loudspeakers
    • Actuators
    • Active vibration control
    • Active noise control
    • smart structures
    • IR-76002

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