Microphone device, microphone unit, microphone structure, and electronic equipment using these
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United States of America Patent
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Oct 11, 2016
Grant Date -
Mar 19, 2015
app pub date -
Mar 15, 2013
filing date -
Mar 21, 2012
priority date (Note) -
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Abstract
A microphone unit which can suppress collection of wind noise and minimize or eliminate digital signal processing has at least a microphone, a first acoustic transmissive material, and a second acoustic transmissive material, the first acoustic transmissive material is a fiber material in which fibers are intertwined with each other, the second acoustic transmissive material is a mesh-like member or a porous member having a plurality of holes, and the microphone is configured to be protected by the first acoustic transmissive material and the second acoustic transmissive material in this order.
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