Eye glass hearing aids

Acoustics – Anatomic or prosthetic relation – Ear and mouth

Patent

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Details

179107H, 181 22, G02C 1106

Patent

active

044517092

ABSTRACT:
An eyeglass hearing aid including a channel having a serpentine shape for providing a compact acoustical path for extending the path of sound transmission. A sweat guard is positioned around a volume control aperture formed on the upper surface of the eyeglass aid. Alignment structure serves to fix a curved printed circuit board in position relative to the flat lower surface of the paddle portion of the eyeglass aid. These particular structures are incorporated in an eyeglass hearing aid in order to utilize a printed circuit board of a behind-the-ear hearing aid and to provide the same frequency response as a behind-the-ear aid.

REFERENCES:
patent: 3193048 (1965-06-01), Kohler
patent: 3665121 (1972-05-01), Weiss
"The New, Flexible Answer . . . ," Advertisement, Hearing Instruments, Dec. 1980.

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