EXTERNAL AUDITORY CANAL-FITTED EARPHONE MICROPHONE

An external auditory canal-fitted earphone microphone, wherein it is made possible to collect biological sound and external environment sound without enlarging the case. A configuration is adopted in which a speaker unit 20 is disposed along with a microphone unit 14 in a case 12. In this configurat...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MATSUYAMA, EIJI
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	DEAF-AID SETS DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MEDICAL OR VETERINARY SCIENCE PUBLIC ADDRESS SYSTEMS SURGERY
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