Patent ID: 9621995
Date: 2017-04-11
CPC Classifications: H04R

Claim:
1. A vibrating element, comprising: a diaphragm, having a first surface and a second surface opposite to each other, wherein the first surface comprises a first conductive region and a second conductive region separated from each other; a voice coil, disposed on the first surface of the diaphragm, wherein two ends of the voice coil are electrically connected to the first conductive region and the second conductive region, respectively; a stiffening layer, disposed on the diaphragm, wherein the diaphragm has a center region, the center region is enclosed and circled by the voice coil and comprises an area of the diaphragm above the voice coil, the region outside the center region comprises an inner circled zone and an outer circled zone surrounding the inner circled zone, at least one end of the voice coil is located in the inner circled zone, the stiffening layer covers the inner circled zone, and the stiffening layer has a ring shape.