Hearing aid

An arc-shaped waterproof wall is provided around a shaft to which a hearing aid main body case and a battery case are rotatably attached, and waterproof ribs are provided to the outer periphery of the installation face of the battery case and the hearing aid main body case, which improves the abilit...

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Bibliographic Details
Main Authors Takeda, Keiichi, Simogochi, Yosimasa, Tada, Minoru, Yagi, Makoto, Asayama, Fumihiro
Format Patent
LanguageEnglish
Published 01.01.2013
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Summary:An arc-shaped waterproof wall is provided around a shaft to which a hearing aid main body case and a battery case are rotatably attached, and waterproof ribs are provided to the outer periphery of the installation face of the battery case and the hearing aid main body case, which improves the ability to prevent the penetration of moisture while also keep the cost low.