ELECTROACOUSTIC TRANSDUCER AND DIAPHRAGM

PROBLEM TO BE SOLVED: To provide an electroacoustic transducer capable of improving a pitch extent from a middle-frequency range to a high-frequency one, and to provide a diaphragm. SOLUTION: The diaphragm 11 comprises a central vibration section 19 in a dome-like section, and a periphery vibration...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HIROSE SHINICHI, IZEKI TAKAYUKI, TADA MIGAKU, SUZUKI YOSHIAKI
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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