Hearing aid

Details Hearing aid Hearing aid

1987-05-26

1989-08-08

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

264222, 381 69, H04R 2502, B29C 3340

Patent

active

RE0330175

ABSTRACT:
A hearing aid including a plug that is tailored to snugly fit into the auditory canal of the user's ear, and that has a preshaped component assembly embedded therein, the component assembly comprising shell-like members that are interconnected to each other and that have the electrical components of the hearing aid mounted therein, the members being prearranged to achieve a configuration generally similar to the shape of the plug and being secured in end-to-end position for mounting interiorly in a negative impression in a mold as formed from the user's auditory canal, the assembled members being embedded in the negative impression in the mold upon pouring of a quick setting plastic material into the negative impression, thereby permanently fixing the preshaped assembly in the plug that is formed as the quick setting plastic material hardens around the assembled preshaped members.

REFERENCES:
patent: 2950357 (1960-08-01), Mitchell et al.
patent: 3345737 (1967-10-01), Gordon
patent: 3451502 (1969-06-01), Branch et al.
patent: 3513269 (1970-05-01), Wilson
patent: 4471490 (1984-09-01), Bellafiore
patent: 4712245 (1987-12-01), Lyregaard

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