Condenser microphone

Details Condenser microphone Condenser microphone

2005-09-20

2005-09-20

Tugbang, A. Dexter (Department: 3729)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Microphone capsule only

C029S414000, C029S417000, C029S602100, C029S609000, C029S594000, C029S025410, C367S180000, C367S178000, C381S174000, C381S175000, C381S190000, C381S191000

Reexamination Certificate

active

06947568

ABSTRACT:
A back plate having a stationary back electrode is secured to a substrate. A diaphragm electrode is mounted on the back plate interposing a spacer. A frame having a sound collecting hole is mounted on the diaphragm electrode.

REFERENCES:
patent: 3118022 (1964-01-01), Sessler et al.
patent: 3736552 (1973-05-01), Seesler et al.
patent: 3942029 (1976-03-01), Kawakami et al.
patent: 5798460 (1998-08-01), Nakagawa et al.
patent: 1290998 (2001-04-01), None
patent: 2001-069596 (2001-03-01), None

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