Cerumen barrier for custom in the ear type hearing intruments

Electrical audio signal processing systems and devices – Sound effects – Reverberators

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381 68, 381 69, H04R 2500

Patent

active

053275004

ABSTRACT:
A cerumen barrier for a custom, in the ear type hearing instrument which consists, in combination, of a sound outlet base and a barrier door which prevents ear wax from reaching and damaging the internal components of a hearing instrument, particularly the transducer, in an arrangement which facilitates an accelerated and simplified attachment to the hearing instrument as compared with the state of the art. The sound outlet base comprises a cylindrical component, incorporating a bore insertable into the sound outlet port, and a counter-bore, which joins to the male connector on the barrier door.

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"If the CF-10 Stops Working, We'll Come to Your Aid"-Oto-sonic, Inc.
"Application Notice"-Audine Hearing Instruments,Inc.
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"Improved Wax Guard" Article from Hearing Instruments, vol. 43, No. 9, 1992 (p. 47).
"The Cerumen Filter System*" Ad from GN Danavox (p. 35).

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