Condenser microphone

Details Condenser microphone Condenser microphone

1981-05-27

1983-07-05

Schreyer, Stafford D.

179121R, 179140, H04R 1904, H04R 122

Patent

active

043920250

ABSTRACT:
A condenser microphone in which a back electrode, disposed oppositely to the rear surface of a diaphragm, and a circuit assembling plate disposed oppositely to the rear surface of the back electrode, are held in a holder.
Electronic circuit elements are attached to only one surface of the circuit assembling plate, and the other surface thereof is faced toward the rear surface of the back electrode with a predetermined distance provided therebetween. A back chamber, defined by a space between the back electrode and the circuit assembling plate, and enclosed by the holder improves the characteristics of microphone frequency response.

REFERENCES:
patent: 3963881 (1976-06-01), Fraim et al.

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