Hearing aid system with acoustical horn

Details Hearing aid system with acoustical horn Hearing aid system with acoustical horn

1998-03-25

2000-12-12

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381 231, 381322, 381324, 381328, 181 22, H04R 2500

Patent

active

061608955

ABSTRACT:
A hearing aid system including an electronic hearing aid containing a microphone and having an orifice in one part thereof for transferring sound to the microphone and an acoustically amplifying horn formed with an outwardly flared end defining an inlet opening for sound originating ahead of the horn and an open downstream end attached to the part of the hearing aid containing the orifice such that the orifice is enclosed and sealed off from exposure to sound originating outside of the horn except for that sound entering the inlet opening.

REFERENCES:
patent: 450358 (1891-04-01), Marcus
patent: 1339518 (1920-05-01), Krueger
patent: 3045073 (1962-07-01), Vickerson
patent: 3201528 (1965-08-01), Johanson et al.
patent: 3243525 (1966-03-01), Eaton
patent: 3388767 (1968-06-01), Wilson
patent: 3909556 (1975-09-01), Johanson
patent: 3946168 (1976-03-01), Preves
patent: 3975599 (1976-08-01), Johanson
patent: 4041251 (1977-08-01), Kaanders
patent: 4051330 (1977-09-01), Cole

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