Canal-Type Earphone having Pressure Equilibrium Structure

Disclosed is a canal-type earphone having a pressure equilibrium structure. The canal-type earphone includes: a microspeaker including a frame, a magnetic circuit, a voice coil, and a diaphragm; an earphone housing including an accommodation space accommodating the microspeaker and a nozzle extendin...

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Bibliographische Detailangaben
Hauptverfasser:	Choi, You Lim, Choi, Cheon Kyu
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	Disclosed is a canal-type earphone having a pressure equilibrium structure. The canal-type earphone includes: a microspeaker including a frame, a magnetic circuit, a voice coil, and a diaphragm; an earphone housing including an accommodation space accommodating the microspeaker and a nozzle extending to one side of the accommodation space; a vent hole formed at the earphone housing, installed in at least one of portions located in front of the microspeaker in the nozzle and the accommodation space, and allowing air to flow outside and inside the earphone housing; and an eartip coupled to outside of the nozzle of the earphone housing.