Microphone

Details Microphone Microphone

1996-11-06

2000-11-28

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Housed microphone

381353, 381360, H04R 2500

Patent

active

061545546

ABSTRACT:
The present invention provides a microphone in which a first acoustic capacity for mainly determining resonance frequency and a second acoustic capacity for mainly determining resonance sharpness are defined in a resonance portion, said first acoustic capacity and said second acoustic capacity being arranged in parallel in a direction of crossing relative to a moving direction of a sound wave, said second acoustic capacity capable of being communicated with only said first acoustic capacity to control resonance frequency.

REFERENCES:
patent: 3819879 (1974-06-01), Baechtold
patent: 3947646 (1976-03-01), Saito
patent: 4189627 (1980-02-01), Flanagan

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