Vibrator for bone conducted hearing aids

Details Vibrator for bone conducted hearing aids Vibrator for bone conducted hearing aids

2006-01-10

2006-01-10

Le, Huyen (Department: 2646)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S322000, C381S412000

Reexamination Certificate

active

06985599

ABSTRACT:
A vibrator for a bone conduction-type hearing aid device by which sound information is mechanically transmitted via the skull bone directly to the inner ear of a person with impaired hearing. The vibrator includes a coil that is directly into two coil halves for generating a dynamic magnetic field and a permanent magnet for generating a static magnetic field. The permanent magnet is radially magnetized and arranged in such a way that the static and dynamic magnetic fields coincide in air gaps formed between the coil and magnet arrangement and the casing, whereby the vibrator provides an axial force.

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