Beltone Electronics Corporation

Lawrence M Posen

Miles P Posen

Robert Steven Yoest

Erik A Lindberg

An acoustic attenuator and wax barrier for a hearing aid includes a substantially cylindrical, color coded, housing having a barbed portion for press-fitting the barrier into position. As the channel diameters increase, an associated peak output frequency also increases for the respective housing. The barrier may include one of a plurality of attenuating or damping screens which provides predetermined sound damping characteristics. Alternately, the barrier may include housings having different acoustic channel diameters to provide the different, predetermined audio attenuation or damping characteristics. The barrier is field changeable and is more easily inserted than removed. The barrier may be provided as part of a system which includes a tool for performing field replacement of the barrier.

Press-fit sound damping structure

A hand held hearing screening device includes a housing with a spacing element extending therefrom. Word generating circuitry is carried within the housing. A control switch on the housing cycles the generating circuitry to produce one or more output word or phrase sequences.

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Glencoe, IL, United States of America

Lawrence M Posen