JP2010268045A - 薄型音響電気機械変換器 - Google Patents
薄型音響電気機械変換器 Download PDFInfo
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- JP2010268045A JP2010268045A JP2009115538A JP2009115538A JP2010268045A JP 2010268045 A JP2010268045 A JP 2010268045A JP 2009115538 A JP2009115538 A JP 2009115538A JP 2009115538 A JP2009115538 A JP 2009115538A JP 2010268045 A JP2010268045 A JP 2010268045A
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- permanent magnet
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Abstract
【解決手段】 本発明に係る薄型音響電気機械変換器としての平面スピーカ10は、筐体としての一対のカバー22および24を有しており、この筐体内には、4本のピン26,26,…が設けられている。それぞれのピン26は、その両端が各永久磁石板18および20に設けられた嵌合孔34および36に嵌合することによって保持されており、平面スピーカ10の組み立て時には、振動膜12と各緩衝部材14および16との位置決めを実現するための位置決め用治具として機能し、当該組み立て後は、振動膜12の変位方向を制御するための変位制御手段として機能する。また、このピン26は、筐体に内蔵された状態にあるので、当該筐体の平面性を含む意匠性が保たれる。
【選択図】 図2
Description
12 振動膜
22 前面側カバー
24 背面側カバー
26 ピン
28 挿通孔
34,36 嵌合孔
Claims (5)
- 互いに距離を置いて対向する2つの平板部を有する筐体と、
上記2つの平板部間を架け渡すように設けられた1以上の棒状体と、
上記棒状体が挿通される挿通孔を有し上記2つの平板部それぞれの内面に対向した状態で該棒状体の延伸方向に沿って変位可能とされかつ該棒状体の延伸方向を横切る方向への変位が規制された振動膜と、
を具備し、
上記2つの平板部間に上記振動膜の表面に沿う方向の磁界が形成されており、
上記振動膜の表面に上記磁界を横切る方向に延伸する部分を有するコイルが付属されており、
上記コイルに流れる電流と該コイルに作用する機械力との一方から他方に変換する薄型音響電気機械変換器において、
上記2つの平板部それぞれの内面側に設けられ上記棒状体の端部を保持する保持手段と、
上記保持手段とは別個に設けられ上記2つの平板部を個別に含む一対の構造体を互いに結合することによって上記筐体を構成する結合手段と、
をさらに具備すること、
を特徴とする、薄型音響電気機械変換器。 - 上記保持手段は上記2つの平板部それぞれの内面に直接または間接的に設けられた嵌合孔を備え、
上記嵌合孔に上記棒状体の端部が嵌合されることによって該端部が保持される、
請求項1に記載の薄型音響電気機械変換器。 - 上記磁界を形成する概略平板状の磁石板が上記2つの平板部の少なくとも一方の内面に密着されており、
上記磁石板に上記嵌合孔が設けられた、
請求項2に記載の薄型音響電気機械変換器。 - 上記挿通孔は上記振動膜の周縁近傍に位置する、
請求項1ないし3のいずれかに記載の薄型音響電気機械変換器。 - 上記振動膜は上記筐体に固定された端子と接続される接続部分を有し、
上記挿通孔は上記接続部分以外の部分に位置する、
請求項1ないし4のいずれかに記載の薄型音響電気機械変換器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2009115538A JP5123247B2 (ja) | 2009-05-12 | 2009-05-12 | 薄型音響電気機械変換器 |
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JP2009115538A JP5123247B2 (ja) | 2009-05-12 | 2009-05-12 | 薄型音響電気機械変換器 |
Publications (2)
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JP2010268045A true JP2010268045A (ja) | 2010-11-25 |
JP5123247B2 JP5123247B2 (ja) | 2013-01-23 |
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JP (1) | JP5123247B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013030885A (ja) * | 2011-07-27 | 2013-02-07 | Foster Electric Co Ltd | 平面スピーカ |
EP2819433A1 (en) | 2013-06-27 | 2014-12-31 | Ricoh Company, Ltd. | Energy conversion apparatus |
WO2023217955A1 (de) | 2022-05-11 | 2023-11-16 | Roland Jacques | Planardynamischer schallwandler |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09331596A (ja) * | 1996-06-10 | 1997-12-22 | Eipuro Internatl:Kk | 薄型電磁変換器 |
JP2002142289A (ja) * | 2000-11-02 | 2002-05-17 | Foster Electric Co Ltd | 面駆動型電気音響変換器 |
-
2009
- 2009-05-12 JP JP2009115538A patent/JP5123247B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09331596A (ja) * | 1996-06-10 | 1997-12-22 | Eipuro Internatl:Kk | 薄型電磁変換器 |
JP2002142289A (ja) * | 2000-11-02 | 2002-05-17 | Foster Electric Co Ltd | 面駆動型電気音響変換器 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013030885A (ja) * | 2011-07-27 | 2013-02-07 | Foster Electric Co Ltd | 平面スピーカ |
EP2819433A1 (en) | 2013-06-27 | 2014-12-31 | Ricoh Company, Ltd. | Energy conversion apparatus |
US9432775B2 (en) | 2013-06-27 | 2016-08-30 | Ricoh Company, Ltd. | Energy conversion apparatus |
WO2023217955A1 (de) | 2022-05-11 | 2023-11-16 | Roland Jacques | Planardynamischer schallwandler |
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JP5123247B2 (ja) | 2013-01-23 |
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