Ambient noise shielded ear transceiver

Details Ambient noise shielded ear transceiver Ambient noise shielded ear transceiver

1976-07-27

1977-05-24

Stellar, George G.

179107BC, 179107E, 179121C, H04R 110, H04R 146

Patent

active

040257347

ABSTRACT:
An earpiece, usually part of a headset, has a funnel-shaped protrusion which extends into the auditory canal of the user. Sound passes through it, and in addition it has electrical transducer elements which pick up speech vibrations.

REFERENCES:
patent: 3087028 (1963-04-01), Bonnin
patent: 3869584 (1975-03-01), Wilde

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