Microphone assembly for adhesive attachment to a vibratory surfa

Details Microphone assembly for adhesive attachment to a vibratory surfa Microphone assembly for adhesive attachment to a vibratory surfa

1995-01-19

1996-11-12

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Thermal response to, or generation of, sound vibration

381157, 381168, 12820119, H04R 2500

Patent

active

055747949

ABSTRACT:
A microphone assembly suitable for use with a face mask has a cylindrical housing with an inwardly extending recess at its front end covered by a first diaphragm. A microphone unit carried by the housing has a diaphragm communicating with the recess, and the recess and the two diaphragms define an airtight chamber containing a trapped quantity of air transmitting vibrations of the first diaphragm to the microphone diaphragm. A doubly adhesively sided pad comprising a layer of plastic closed cell foam material and two adhesive films provides an intimate vibration transmitting interface, free of air flow passages or pockets, between the diaphragm and a supporting surface.

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