Ear insert for a hearing aid

Details Ear insert for a hearing aid Ear insert for a hearing aid

2005-03-02

2009-06-02

Le, Huyen D (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S322000, C381S380000

Reexamination Certificate

active

07542581

ABSTRACT:
Feedbacks in hearing aids are to be attenuated and avoided in a cost-effective and efficient manner. The invention thus proposes producing a hearing aid component at least partially from a material comprising a plurality of Helmholtz resonators (8). An otoplastic (2) can be produced from a material of this type for example, thus enabling high frequency sound which leaks out of a ventilation bore (5) in the otoplastic (2) and which leads to feedback, to be attenuated in the otoplastic (2).

REFERENCES:
patent: 5195139 (1993-03-01), Gauthier
patent: 5832094 (1998-11-01), Le Her
patent: 7079662 (2006-07-01), Niederdrānk
patent: 199 43 809 (2001-03-01), None

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