Communication device having air-borne and solid-borne transmitti

Details Communication device having air-borne and solid-borne transmitti Communication device having air-borne and solid-borne transmitti

1994-10-05

1996-04-23

Kuntz, Curtis

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381 683, 381151, 381169, 381 91, H04R 2500

Patent

active

055111327

ABSTRACT:
An air-borne converting device and a solid-borne converting device is provided in a case. The air-borne converting device has a loudspeaker for converting an electric signal into an air-borne sound, and a microphone for converting air-borne sound into an electric signal. The solid-borne device has a loudspeaker for converting an electric signal into solid-borne sound and a microphone for converting solid-borne sound into an electric signal.

REFERENCES:
patent: 3629521 (1971-12-01), Puharich
patent: 3916312 (1975-10-01), Campbell
patent: 5125032 (1992-06-01), Meister et al.

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