Patent ID: 8031889
Filing Date: 2011-10-04
Classification: H04R

Abstract:
1. An acoustoelectric transformation chip for a ribbon microphone having a magnetism device, comprising: an acoustic response unit including a diaphragm that is made of an insulating material and that has a vibrating region, and two fixing regions respectively disposed on two opposite sides of said vibrating region, and a voice coil film made of a conducting material and formed on said diaphragm, said voice coil film including two rectangular voice coils, each of said voice coils extending rectangularly around an inner end point and connecting to the other one of said voice coils at an outer end point thereof, each of said voice coils having a plurality of first and second connection segments parallel to a direction of a magnetic field of the magnetism device, and a plurality of first and second transverse segments perpendicular to said first and second connection segments and connected between said first and second connection segments, said second transverse segments of each of said voice coils being disposed on one of said fixing regions, said first transverse segments being spaced-apart from said second transverse segments and being disposed in said vibrating region; and a support attached to said fixing regions of said diaphragm.