JP5139360B2 - 薄型スピーカ - Google Patents
薄型スピーカ Download PDFInfo
- Publication number
- JP5139360B2 JP5139360B2 JP2009095760A JP2009095760A JP5139360B2 JP 5139360 B2 JP5139360 B2 JP 5139360B2 JP 2009095760 A JP2009095760 A JP 2009095760A JP 2009095760 A JP2009095760 A JP 2009095760A JP 5139360 B2 JP5139360 B2 JP 5139360B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- coil
- coils
- vibrating membrane
- vibration film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010408 film Substances 0.000 claims description 55
- 239000012528 membrane Substances 0.000 claims description 50
- 239000010409 thin film Substances 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000005415 magnetization Effects 0.000 description 9
- 230000007935 neutral effect Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000011889 copper foil Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005405 multipole Effects 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
12 振動膜
18,20 永久磁石板
22 前面カバー
24 背面板
26 薄膜
28,30 コイル
36,38,40,42 端子
62,64 端子台
66,68,70,72 端子
Claims (4)
- 可撓性を有する薄膜にコイルが密着形成された構造の振動膜と、上記振動膜に対向して設けられ上記コイルの延伸方向を横切る磁界を発生させる磁石板と、上記振動膜および上記磁石板を保持する筐体と、を具備し、上記コイルに流れる電流を上記振動膜の厚み方向に沿って該コイルに作用する機械力に変換する薄型スピーカにおいて、
上記振動膜の側縁部分であって或る直線に関して互いに略線対称を成しかつ該直線上の或る点に関して互いに略点対称を成す2箇所に上記コイルの一対の端末処理部がそれぞれ設けられ、
上記一対の端末処理部それぞれに対応して上記筐体に固定された端子に該一対の端末処理部それぞれが接続され、
上記コイルは自身の途中に設けられかつ該自身の延伸方向を横切る方向に突出した状態で上記薄膜に密着形成された突出部を有すること、
を特徴とする、薄型スピーカ。 - 複数の上記突出部が形成された、
請求項1に記載の薄型スピーカ。 - 上記振動膜が存在する空間と外部空間とを連通する連通路が設けられており、
上記連通路に合わせて上記突出部が設けられた、
請求項1または2に記載の薄型スピーカ。 - 偶数の上記コイルが形成されており、
上記偶数のコイルそれぞれは上記一対の端末処理部として第1端末部と第2端末部とを備えており、
上記偶数のコイルそれぞれに流れる上記電流と該偶数のコイルそれぞれに作用する上記機械力との関係が該偶数のコイル間で共通しており、
上記偶数のコイルそれぞれごとに上記第1端末部は上記2箇所の一方に設けられ上記第2端末部は該2箇所の他方に設けられ、
上記2箇所間で上記第1端末部および上記第2端末部それぞれの数が同じであり、
全ての上記第1端末部および全ての上記第2端末部それぞれに対応して上記端子が設けられた、
請求項1ないし3のいずれかに記載の薄型スピーカ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009095760A JP5139360B2 (ja) | 2009-04-10 | 2009-04-10 | 薄型スピーカ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009095760A JP5139360B2 (ja) | 2009-04-10 | 2009-04-10 | 薄型スピーカ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010251816A JP2010251816A (ja) | 2010-11-04 |
JP5139360B2 true JP5139360B2 (ja) | 2013-02-06 |
Family
ID=43313707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009095760A Active JP5139360B2 (ja) | 2009-04-10 | 2009-04-10 | 薄型スピーカ |
Country Status (1)
Country | Link |
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JP (1) | JP5139360B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6255994B2 (ja) | 2013-06-27 | 2018-01-10 | 株式会社リコー | エネルギー変換装置 |
JP6364900B2 (ja) | 2013-09-12 | 2018-08-01 | 株式会社リコー | エネルギー変換装置及びスピーカー構造 |
KR20150050829A (ko) * | 2013-11-01 | 2015-05-11 | 엘지전자 주식회사 | 음향 발생 장치 |
CN103929710A (zh) * | 2014-04-25 | 2014-07-16 | 瑞声光电科技(常州)有限公司 | 一种复合振膜的制备方法 |
JP6582506B2 (ja) | 2014-08-11 | 2019-10-02 | 株式会社リコー | エネルギー変換装置およびスピーカー構造 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50153951U (ja) * | 1974-06-07 | 1975-12-20 | ||
JP2006080938A (ja) * | 2004-09-10 | 2006-03-23 | Original Sangyo Kk | 電気−音声変換装置 |
JP2008199116A (ja) * | 2007-02-08 | 2008-08-28 | Mitsubishi Electric Engineering Co Ltd | 電磁変換器 |
-
2009
- 2009-04-10 JP JP2009095760A patent/JP5139360B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2010251816A (ja) | 2010-11-04 |
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