Power direct bone conduction hearing aid system

Details Power direct bone conduction hearing aid system Power direct bone conduction hearing aid system

2011-08-23

2011-08-23

Briney, III, Walter F (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Noise compensation circuit

C381S326000

Reexamination Certificate

active

08005247

ABSTRACT:
The hearing aid system has a sound-to-vibration conversion circuitry including a microphone system, an electronic amplifier and a vibrator. A housing accommodates the vibrator. The vibrator is connected to an abutment that goes through the skin. The abutment is connected to a fixture that is anchored in the skull bone. The sound-to-vibration conversion circuitry has an A/D converter that converts an analogue microphone signal into a digital signal.

REFERENCES:
patent: 4887299 (1989-12-01), Cummins et al.
patent: 4904233 (1990-02-01), H.ang.kansson et al.
patent: 5091952 (1992-02-01), Williamson et al.
patent: 2005/0008166 (2005-01-01), Fischer et al.
patent: WO 03001846 (2003-01-01), None

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