Hearing aid apparatus

Details Hearing aid apparatus Hearing aid apparatus

1987-05-14

1988-09-20

Fuller, B. R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181129, G10K 1128

Patent

active

047718595

ABSTRACT:
A hearing aid apparatus comprises a pair of cup shaped members positionable behind the ears of a user and being connected by means of a headband. The cup shaped members form sound reflective surfaces which direct sound waves into the user's ears to thus increase his or her hearing capacity. A modified embodiment of the invention utilizes foam padding in a rear portion of the cup shaped members, and this padding causes a gentle forward bending of the user's ears to further increase hearing ability. Additionally, the cup shaped members may be provided with through-extending apertures which permit limited air flow within the members. The air flow through the apertures prevents humidity and heat buildup within the members which could affect sound reflection capabilities. The apertures are of a cone shape with the large open end directed towards the interior sections of the members.

REFERENCES:
patent: 656182 (1900-08-01), Ehrhardt
patent: 3139150 (1964-06-01), Weil
patent: 3513937 (1970-05-01), Robinson et al.
patent: 3618698 (1971-11-01), McCabe
patent: 3938616 (1976-02-01), Brownfield

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