Headset for receiving and transmitting signals

Details Headset for receiving and transmitting signals Headset for receiving and transmitting signals

1975-02-05

1977-04-12

Griffin, Robert L.

179107BC, 179156R, H04B 144, H04M 105

Patent

active

040177971

ABSTRACT:
The present invention provides a two-way sound transducer system, including amplification circuitry within an ear-muff type attenuator, to enable the user to listen to principally voice communications (although other forms of sound can be transmitted) from a remote location and in response thereto answer a communication by talking in a natural voice, irrespective of the total surrounding noise present at the location of the user.

REFERENCES:
patent: 1525182 (1925-02-01), Hayes
patent: 3087028 (1963-04-01), Bonnin
patent: 3683130 (1972-08-01), Kahn
patent: 3862379 (1975-01-01), Pless
patent: 3908095 (1975-09-01), Jinsenji

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