Abstract
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 language | Undefined |
|---|---|
| Patent number | WO2008/136668 A1 |
| Publication status | Published - 13 Nov 2008 |
Keywords
- Loudspeakers
- Actuators
- Active vibration control
- Active noise control
- smart structures
- IR-76002