Ear microphone

Details Ear microphone Ear microphone

1985-06-04

1987-09-22

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Circuitry combined with specific type microphone or loudspeaker

With piezoelectric microphone

381151, 381158, 381169, 381173, 381189, H04R 104, H04R 110, H04R 146, H04R 1702

Patent

active

046960457

ABSTRACT:
An ear microphone includes a bimorph piezoelectric transducer mounted on a PC board having an amplifier therein and surrounded by a helically wound spring. The piezoelectric transducer and spring are potted in a semi-soft potting compound which is formed in a shape adapted to be inserted into an external auditory ear canal to permit bone conduction to the microphone element. A cable is coupled to the amplifier through which a signal can be withdrawn for processing by electronic equipment.

REFERENCES:
patent: 4150262 (1979-04-01), Ono
patent: 4308426 (1981-12-01), Kikuchi
patent: 4323999 (1982-04-01), Yoshizawa et al.
patent: 4334315 (1982-06-01), Ono et al.
patent: 4453045 (1984-06-01), Bruna
patent: 4546950 (1985-10-01), Cech
patent: 4588867 (1986-05-01), Koromi
patent: 4596903 (1986-06-01), Yoshizawa

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