ELECTROSTATIC ELECTROACOUSTIC TRANSDUCER

PURPOSE:To prevent the titled device from generation of sharp frequency characteristic change even under a severe humidity condition by coating a sound pressure transmitting part opposed to a vibration film with a water-repellent material. CONSTITUTION:An opening part 10a as the sound pressure trans...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KAKUHATA FUMIO
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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