Sound reflector type hearing aid

Details Sound reflector type hearing aid Sound reflector type hearing aid

1982-03-04

1983-12-20

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

G10K 1110

Patent

active

044211996

ABSTRACT:
A broad sheet hearing aid of the sound reflecting type having an endless expansion type holding strap inserted in the wings of the device and to also fit over the forehead to hold the device in place.

REFERENCES:
patent: 656182 (1900-08-01), Ehrhardt
patent: 3618698 (1971-11-01), McCabe et al.

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