MOBILE EARPHONE HANDS FREE WITH CABLE BACK-RASH FOR 3 GENERATION MOBILE

PURPOSE: A distance control video call earphone hands free unit for controlling distance using back rash of flexible cord is provided to minimize the weight volume by forming cords, spool and storage case in to one body while winding two flexible cords in a specific direction. CONSTITUTION: A cord r...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SIN, YOUNG MIN
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 TRANSMISSION
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