Voice transmission system

Details Voice transmission system Voice transmission system

1987-12-18

1990-02-13

NG, Jin F.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Thermal response to, or generation of, sound vibration

381187, H04R 108, H04M 105

Patent

active

049013564

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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