Patent ID: 7630506
Filing Date: 2009-12-08
Classification: H04R

Abstract:
1. A condenser microphone unit, comprising: an insulating pedestal including a main body with a top and bottom surfaces, a first concave portion formed in the top surface, a second concave portion formed in the bottom surface, and a holding hole formed at a center of the main body, a rear pole plate and a diaphragm, forming a condenser section and disposed on the insulating pedestal, a printed circuit board disposed under the main body, an impedance converter mounted on the printed circuit board, and a relay terminal member placed between the rear pole plate and the impedance converter to electrically connect therebetween, said relay terminal member comprising a first conductive elastic material contacting the impedance converter, and a second conductive elastic material formed of a conductive cloth and disposed in the first concave portion to directly entirely contact the rear pole plate on an upper surface thereof, said first conductive elastic material passing through the holding hole and contacting the second conductive elastic material disposed in the first concave portion.