HEARING ASSISTANCE DEVICE WITH IMPROVED MICROPHONE PROTECTION
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United States of America Patent
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May 8, 2017
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May 10, 2013
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Abstract
Disclosed herein, among other things, are methods and apparatus for improved microphone protection for hearing assistance devices. One aspect of the present subject matter includes a hearing assistance device, such as a completely-in-the-canal (CIC) type hearing aid, that includes a battery door with a microphone slit and a battery contact including a microphone port. In various embodiments, the microphone slit and the microphone port are configured to create a nonlinear acoustic path to a microphone of the hearing assistance device. In various embodiments, the acoustic path is configured to prevent earwax from blocking and/or damaging the microphone, such as during insertion, removal or cleaning of the hearing assistance device.
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