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 |
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Patent number | EP20070107454 |
Publication status | Submitted - 3 May 2007 |
Keywords
- audio reproduction
- Loudspeakers
- smart structures
- Active noise control
- Active vibration control
- Actuators
- IR-76001
- EWI-19607