Patent ID: 9025808
Filing Date: 2015-05-05
Classification: H04R

Abstract:
1. A high-output microspeaker, comprising: a frame; a protector; a yoke assembly coupled to the frame and including a magnet; a diaphragm provided in the frame and producing vibration; a voice coil coupled to the diaphragm and vibrating the diaphragm; a terminal provided on one side of the frame and providing an electrical connection between the lead wire of the voice coil and an external terminal; and a damper made of a flexible printed circuit board (FPCB) and including an inner portion to which a center diaphragm, a side diaphragm and the voice coil are attached, an outer portion to which the side diaphragm is attached and which is in contact with the frame and the protector, a support portion functioning to connect the outer portion and the inner portion and including a land portion to which the lead-in wire of the voice coil is soldered or welded, and a connecting portion extending outward from the outer portion and providing an electrical connection between the terminal provided on the frame and the outer portion, wherein a cover layer is formed in stress-concentrated regions of the flexible printed circuit board (FPCB) pattern of the damper.