Method of forming an electret condenser microphone

Details Method of forming an electret condenser microphone Method of forming an electret condenser microphone

2007-06-19

2007-06-19

Tran, Sinh (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Microphone capsule only

C029S594000

Reexamination Certificate

active

11367128

ABSTRACT:
An electret condenser microphone includes a casing member, a circuit board disposed in the casing member, an electrically insulating member disposed on the circuit board and having an outer surface opposing and spaced apart from the casing member, and an inner surface defining a central opening, an electrode plate mounted on the electrically insulating member, a plurality of electrically connecting members each intervening between the circuit board and the electrode plate to have the circuit board and the electrode plate electrically connected with each other, each of the electrically connecting members having a first portion disposed along the inner surface of the electrically insulating member, a second portion integrally formed with the first portion and radially outwardly extending from one end of the first portion, and a third portion integrally formed with the first portion and radially outwardly extending from the other end of the first portion, and a diaphragm disposed along the electrode plate and spaced apart from the electrode plate at a predetermined space distance.

REFERENCES:
patent: 4764690 (1988-08-01), Murphy et al.
patent: 6684484 (2004-02-01), Collins
patent: 6694032 (2004-02-01), Yun et al.
patent: 2002/0071579 (2002-06-01), Himori et al.
patent: 2000-050393 (2000-02-01), None
patent: 2001-099860 (2001-04-01), None

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