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磁歪材料を用いた機能性イヤフォンの開発
https://doi.org/10.24517/00049220
https://doi.org/10.24517/000492207ec16bef-77df-488d-838f-9d30a59b43bc
名前 / ファイル | ライセンス | アクション |
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TE-PR-YAMADA-S-179.pdf (2.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-12-07 | |||||
タイトル | ||||||
タイトル | 磁歪材料を用いた機能性イヤフォンの開発 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Development of Functional Earphone using Magnetostrictive Material | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00049220 | |||||
ID登録タイプ | JaLC | |||||
著者 |
上野, 敏幸
× 上野, 敏幸× 三浦, 英充× 山田, 外史 |
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著者別表示 |
Ueno, Toshiyuki
× Ueno, Toshiyuki× Miura, Hidemitsu× Yamada, Sotoshi |
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書誌情報 |
日本AEM学会誌 en : Journal of the Japan Society of Applied Electromagnetics 巻 21, 号 2, p. 179-183, 発行日 2014-02-25 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0919-4452 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10457520 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.14243/jsaem.21.179 | |||||
出版者 | ||||||
出版者 | 日本AEM学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In daily life, we often use earphone to listen sound and music. However kanal type earphone like earplug shape shuts off the sound of surroundings, thus, is not preferable to use in jogging or driving. Bone conductive speaker is alternative to hear sound from surroundings and player simultaneously. However conventional ones based on piezoelectric material or voice coil are large size, difficult to equip, and amplifier necessary due to the low output force. Here, we propose functional earphone using magnetostrictive vibrator. The device consists of magnetostrictive rod (Galfenol) and magnetic yoke constructing unimorph structure, winding coil, bias magnet and vibration plate. The ring shape vibrator with hole to pass air-conductive sound is easy to equip on ear hole and can generate sufficient sound without additional amplifier. In this study, we fabricate several prototypes to evaluate static and dynamic characteristics to verify the principle and advantages. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Special Issue on The 21th MAGDA Conference in SENDAI (MAGDA2012) | |||||
権利 | ||||||
権利情報 | Copyright © 日本AEM学会 The Japan Society of Applied Electromagnetics and Mechanics | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jsaem.gr.jp/index.html | |||||
関連名称 | http://www.jsaem.gr.jp/index.html | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jsaem | |||||
関連名称 | https://www.jstage.jst.go.jp/browse/jsaem |