Liquid ingress-redirecting acoustic device reservoir
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United States of America Patent
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May 15, 2018
Issued Date -
Sep 28, 2017
app pub date -
Jun 13, 2017
filing date -
Apr 24, 2015
priority date (Note) -
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Abstract
An acoustic device such as a microphone or speaker is positioned with and coupled to a housing to connect an acoustic port of the acoustic device with an external opening of the housing. A reservoir is connected to the external opening via a bleed channel. The bleed channel may be less resistive to liquid ingress than the acoustic port. As such, the reservoir and bleed channel may redirect liquid from the external opening away from the acoustic port. In some implementations, the reservoir and/or the bleed channel may be defined by one or more acoustically permeable barriers such as meshes that cover the acoustic port, compressible materials such as foams that form a perimeter around the acoustic port, and/or adhesive layers that couple the acoustic device, the housing, and/or one or more other components.
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