Receiver suspension and acoustic porting system

Details Receiver suspension and acoustic porting system Receiver suspension and acoustic porting system

1986-06-27

1988-03-08

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181135, 381 686, 381 69, 381205, A61B 702, H04R 2502

Patent

active

047294515

ABSTRACT:
A system for suspending a receiver in a hearing aid and acoustically linking the receiver with the region external to the hearing aid. A shaped mandrel is placed inside the shell of the hearing aid and a liquid material is poured into the shell. The liquid material polymerizes to form an elastomer that is around the mandrel and in contact with the shell. The mandrel is then removed from the shell, leaving a receiver cavity and sound channel. A receiver is inserted into the receiver cavity. The receiver cavity holds the receiver, and the sound channel grippingly engages an acoustic output port on the receiver. The sound channel extends between the receiver and shell, acoustically linking the receiver with the external region.

REFERENCES:
patent: 3448224 (1969-06-01), Giller
patent: 3865998 (1975-02-01), Weiss et al.
patent: 4532649 (1985-07-01), Bellagiore
patent: 4588867 (1986-05-01), Konomi
patent: 4617429 (1986-10-01), Bellagiore

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