Micro-Speaker Having an Air Adsorbent
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Dec 30, 2016
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Dec 31, 2015
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Abstract
The present invention relates to a micro-speaker for use in a small electronic device, and more particularly, to a micro-speaker having an air adsorbent which can increase the lifespan by the improvements in structure. The micro-speaker according to the present invention improves sound pressure, sound quality and lifespan characteristics by preventing the air adsorbent from blocking vent holes, while enhancing low frequency characteristics by defining a virtual back volume by putting the air adsorbent into an enclosure.
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