A MICROSPEAKER MODULE HAVING A DUCT COMMUNICATING WITH A VENT HOLE

An objective of the present invention is to provide a ventilation structure capable of increasing a sealing degree while preventing an increase in pressure in a bag volume due to an increase in the temperature. The present invention relates to a microspeaker module having a conduit communicating wit...

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Bibliographische Detailangaben
Hauptverfasser:	JEONG IN HO, HA JONG HEON, LEE WON KI, KIM JI HOON, KIM CHI KYUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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