Hearing aid

Details Hearing aid Hearing aid

1986-06-06

1987-07-14

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 682, 381 692, H04R 2502

Patent

active

046807993

ABSTRACT:
A hearing aid has a housing insertable into the auditory canal, wherein the housing contains at least a microphone, an amplifier, an earpiece and a power source. In instruments of this kind it has turned out to be desirable to have, in addition to the usual volume control, an additional control for varying the way the incoming sound signals are influenced by the amplifier (i.e. its characteristic) to adapt to individual hearing impairments. For this purpose the hearing aid provides in the housing space for the battery a pitch control in such a manner that its actuating member can be operated at least when the power source is removed from the instrument. This makes it possible to reduce the space requirement for the pitch control so that even hearing aids insertable into the auditory canal can contain such an additional control.

REFERENCES:
patent: 2987584 (1958-11-01), Webber et al.
patent: 3209082 (1965-09-01), McCarrell
patent: 3345737 (1967-10-01), Gordon
patent: 3529102 (1970-09-01), Rosenstand
patent: 3598928 (1971-08-01), Hickox
patent: 4152551 (1979-05-01), Hiller
patent: 4471490 (1984-09-01), Bellafiore
patent: 4476353 (1984-10-01), Haertl
patent: 4598177 (1986-07-01), McGroaty et al.

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