HEARING AID, AND METHOD OF MANUFACTURING HEARING AID

PROBLEM TO BE SOLVED: To reduce a feeling of inarticulation of sound that an ear hole type hearing aid user has by making a vent hole much larger than heretofore. SOLUTION: The hearing aid includes a shell (10) forming the external shape of the hearing aid, a vent hole (20) linking an outer side and...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KANAYAMA MASAO
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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