Novick, Kim & Lee, PLLC
Canal type earphone with pressure equilibrium means
Disclosed herein is a canal type earphone with a pressure equilibrium means, capable of eliminating a pressure difference between a user's external auditory meatus and an outside during wearing of the canal type earphone. A pressure equilibrium means includes a side air passage through which air within a tube or air within a speaker unit in the canal type earphone is discharged to a side surface of a gasket or a side surface of the speaker unit, and a rear air passage through which air in the side surface of the speaker unit is discharged to the rear of the speaker unit.
BUJEON CO., LTD.
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H04R H04R
inventional additional
Seung Cheol Dong Hyun Su Cheon
Lee Seo Lee