ほちょうき
補聴器
1. hearing aid
2. Hearing aidA hearing aid is an electroacoustic device which typically fits in or behind the wearer's ear, and is designed to amplify and modulate sound for the wearer. Earlier devices, known as "ear trumpets" or "ear horns", were passive funnel-like amplification cones designed to gather sound energy and direct it into the ear canal. Similar devices include the bone anchored hearing aid, and cochlear implant.
Read “Hearing aid” on English Wikipedia
Read “補聴器” on Japanese Wikipedia
Read “Hearing aid” on DBpedia
Read “Hearing aid” on English Wikipedia
Read “補聴器” on Japanese Wikipedia
Read “Hearing aid” on DBpedia
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