Fluid-insulated universal flexible acoustic coupler muff system

Details Fluid-insulated universal flexible acoustic coupler muff system Fluid-insulated universal flexible acoustic coupler muff system

1979-11-02

1982-02-02

Cardillo, Jr., Raymond F.

H04M 114

Patent

active

043140998

ABSTRACT:
A universal acoustic coupler system includes a pair of flexible muffs for acoustically coupling a telephone handset to transducers (speaker/microphone) of an electronic input/output device. The muffs are formed of an external housing inside which an internal housing is positioned, defining a fluid insulator therebetween. The internal housing has a speaker/microphone cavity for receiving the input/output device speaker or microphone which opens into an earpiece/mouthpiece cavity for receiving the earpiece or mouthpiece of a telephone handset. The fluid insulator is formed to completely insulate the speaker or microphone to eliminate all external noise.

REFERENCES:
patent: 3733437 (1973-05-01), Keith
patent: 3992583 (1976-11-01), Davis et al.

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