DOUBLE INJECTION MOLDING DIAPHRAGM FOR MICROSPEAKER HAVING COIL ATTACHMENT GUIDE WITH INNER AIRPASS HOLE

The present invention relates to a double injection diaphragm for a microspeaker having an internal ventilation hole in the coil attachment guide. The dual injection diaphragm provided in a microspeaker to reproduce sound comprises: a center diaphragm; a side diaphragm that has a ring shape with a p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YOU HYEON SIK, NAM KI HYUN, JEONG HEUNG WOO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PERFORMING OPERATIONS PUBLIC ADDRESS SYSTEMS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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