Programmable hearing aid

Details Programmable hearing aid Programmable hearing aid

1995-03-22

1998-01-20

Kuntz, Curtis

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 682, H04R 2500

Patent

active

057108200

ABSTRACT:
A hearing aid that has an analog part with a Class D final amplifier stage for audio signal processing, a digital part with an interface, a memory stage as well as supply stage for generating the voltage and control signals. The hearing aid has a utilized integrated circuit which also includes a pre-amplifier stage with two inputs respectively connected to a microphone and a telephone coil, the signals from the two inputs being selectively pre-amplified individually or in common, with selectable or programmable gains. This gives the hearing aid a small structural size, a comprehensive functionality, versatile adaptability and especially low energy consumption.

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"A Set of Four IC's in CMOS Technology for a Programmable Hearing Aid," Callias et al., IEEE J. Solid-State Cir., vol. 24, No. 2, Apr. 1989 (pp. 301-311).
"Das programmierbare Horgerat PHOX-ein Spitzenprodukt an der Grenze des Machbaren," Ascom Technische Mitteilungen, No. 2, 1990 (pp. 21-26).
Patent abstracts of Japan vol. 12, No. 293 (E-645), Japanese patent 63070613.

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