Voice transmission system
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United States of America Patent
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-
Feb 13, 1990
Grant Date -
N/A
app pub date -
Dec 18, 1987
filing date -
Dec 18, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A voice transmission system for a face mask includes a microphone assembly partially received in and threadedly connected to an emitter passage through the mask to position a microphone on the inside of the mask. An amplifier assembly is threaded onto the outer end of the microphone assembly until spring loaded electrical contactors on the amplifier assembly resiliently engage circumferentially continuous contacts on the microphone assembly to complete an electrical circuit between the microphone and the amplifier assembly.
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