Method and apparatus for fitting of a hearing aid and associated

Details Method and apparatus for fitting of a hearing aid and associated Method and apparatus for fitting of a hearing aid and associated

1990-01-24

1991-09-03

Howell, Kyle L.

Surgery

Truss

Pad

A61B 512

Patent

active

050443739

ABSTRACT:
The invention relates to the measuring of sound pressure levels in the auditory canal of a person in connection with the fitting of a hearing aid. An apparatus for this purpose comprises a measuring probe (1) which is introduced into the auditory canal, a microphone (6) coupled to the measuring probe (1), a data processing unit (14) with display (15) and printer (15'), a reference microphone (8) and a source of sound (10). In order to be able to position the measuring probe (1) precisely in the auditory canal, the probe is configured with means for measuring the distance from the free end of the probe to the ear drum which employs either sound, electromagnetic waves or light.

REFERENCES:
patent: 4809708 (1989-03-01), Geisler et al.

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