Device for picking up bone-conducted sound in external auditory

Details Device for picking up bone-conducted sound in external auditory Device for picking up bone-conducted sound in external auditory

1992-01-22

1994-03-15

Isen, Forester W.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Body contact wave transfer

381 683, H04R 2500

Patent

active

052951936

ABSTRACT:
A device for picking up bone-conducted sound in the external auditory meatus includes a fitting portion for accommodation in a navicular cavity formed between a tragus cartilage portion and an entrance portion of an external auditory meatus, and a bone conduction microphone unit for insertion into the external auditory meatus in such a manner as to be brought into contact with a wall of the external auditory meatus. The bone conduction microphone unit is held by the fitting portion via a resilient member in such a manner that at least a portion of the bone conduction microphone unit contacting the external auditory meatus is resiliently brought into contact with the wall of the external auditory meatus substantially orthogonally. Also disclosed is a communication device in which an earphone unit for transmitting sound from the outside is accommodated in the fitting portion of the device for picking up bone-conducted sound in the external auditory meatus, and a sound conductive tube of the earphone unit is open at a portion of the fitting portion facing the external auditory meatus.

REFERENCES:
patent: 3529102 (1970-09-01), Rosenstand
patent: 4588867 (1986-05-01), Konomi

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