| 摘要 |
A loudspeaker system, and a method and device for actuating a loudspeaker, using a loudspeaker element connected to a memory metal part and provided in a portable electronic device; and a power source unit configured to supply power to the memory metal part, wherein, when power is supplied to the memory metal part, the memory metal part is configured to exert a force on the loudspeaker element to actuate it. |
