Ceramic microphone

Details Ceramic microphone Ceramic microphone

1983-10-05

1985-12-17

Brown, Thomas W.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381113, H04R 1904

Patent

active

045594180

ABSTRACT:
A ceramic microphone is described which comprises a diaphragm for receiving sound waves, a thin ceramic plate attached to the diaphragm for transducing the sound waves to electric signals, and a plurality of electrodes on each of the opposite sides of the ceramic plate, the plurality of electrodes being polarized so that each of a pair of the electrodes faced across the ceramic plate forms a capacitor and the opposite-polarity electrodes of each of the capacitors are serially connected each other.

REFERENCES:
patent: 3127481 (1964-03-01), Herve
patent: 3158762 (1964-11-01), Horan
patent: 4156800 (1979-05-01), Sear
patent: 4268912 (1981-05-01), Congdon
patent: 4376302 (1983-03-01), Miller
patent: 4424419 (1984-01-01), Chaput

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