Signal summing non-microphonic differential microphone

Details Signal summing non-microphonic differential microphone Signal summing non-microphonic differential microphone

1992-07-22

1994-08-02

Isen, Forester W.

Electrical audio signal processing systems and devices

Directive circuits for microphones

381113, H04R 300

Patent

active

053352823

ABSTRACT:
A microphone comprises a plurality of oppositely oriented electroacoustic transducer pairs arranged in a body or a resonator cavity and electrically algebraically summed, whereby ambient acoustic shock impulses and vibration induce opposite electrical phase output, while an audio signal entering an acoustic channel to the transducer cavity produces a damped, in-phase, summed output, greatly enhancing the signal to noise ratio and producing a high output level that is substantially non-microphonic.

REFERENCES:
Funkschau, 1980, Heft 19, p. 79, "Zoom-Mikrofon".

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