发明申请
US20130133975A1 ACOUSTIC TRANSDUCER DEVICE 有权
声学传感器装置

ACOUSTIC TRANSDUCER DEVICE
摘要:
The present invention relates to a sound converter, and, more particularly, to a sound converter which can solve a problem in that a vibration space decreases in the sound converter requiring high outputs, as the overall height of a voice coil increases.
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