Patent ID: 8682007
Filing Date: 2014-03-25
Classification: H04R,Y10T

Abstract:
1. A condenser microphone unit comprising: a diaphragm assembly including a diaphragm support shaped in a plate, and a diaphragm vibratably stretched over the diaphragm support and having a central part, the diaphragm support having a front surface portion, a back surface portion, a central portion and an opening, the opening being formed of a plurality of holes penetrating from the front surface portion toward the back surface portion; and a fixed electrode arranged away from the diaphragm assembly and facing said diaphragm assembly through a spacer arranged therebetween, wherein the central portion of the diaphragm support is curved in a direction away from the fixed electrode, and the diaphragm is adhered to the diaphragm support such that the central part of said diaphragm is curved in the direction away from the fixed electrode, and said central part of the diaphragm is arranged to face said fixed electrode.