Electrical audio signal processing systems and devices – Hearing aids – electrical – Directional
Patent
1995-12-27
2000-02-29
Kuntz, Curtis A.
Electrical audio signal processing systems and devices
Hearing aids, electrical
Directional
381322, 381 95, 381355, 381356, H04R 2500, H04R 908
Patent
active
060319224
ABSTRACT:
An electroacoustic assembly comprising a microphone having a diaphragm and supported on a face plate susceptible to vibratory effects. Vibration sensitivity is reduced by opposing the pressure effects on the diaphragm caused, on the one hand, by vibration of the assembly in the ambient air mass and by vibration of the air mass leading from the ambient air mass to the diaphragm, and on the other hand, by vibration of the effective mass of the diaphragm, generally augmented with additional mass, and including the effect of the internal air mass adjacent the diaphragm. Applications include hearing aids in which the microphone and its support are mechanically coupled to receiver components that may impart significant motion thereto.
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Killion, M.C., "Vibration Sensitivity Measurements on Subminiature Condenser Microphones," Journal of the Audio Engineering Society, vol. 23, No. 2, pp. 123-127, Mar. 1975.
Barnie Rexford N.
Kuntz Curtis A.
Tibbetts Industries, Inc.
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