Hearing aid

Details Hearing aid Hearing aid

1989-01-26

1990-07-31

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 68, 181130, 181135, H04R 2502

Patent

active

049455699

ABSTRACT:
An earwax-protective device having a yoke joined with an auditory passage portion of a hearing aid which makes it possible to easily remove accumulations of earwax without damaging sensitive electrical components in the hearing aid.

REFERENCES:
patent: 3209382 (1965-09-01), McCarrell et al.
patent: 3852540 (1974-12-01), Diethelm

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