| 摘要 |
A low profile microphone includes a bottom plate adapted to be placed on a flat surface, a cover having holes through which sound waves are introduced and extending over the bottom plate, a microphone unit housed in a space defined by the bottom plate and the cover, and converting sound waves arriving via the holes of the cover into electric signals, and a circuit board housed in the space defined by the bottom plate and the cover, and carrying circuit components on a surface thereof facing with the bottom plate.
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