JP6032984B2 - イヤホン用電磁型音響変換装置 - Google Patents
イヤホン用電磁型音響変換装置 Download PDFInfo
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- JP6032984B2 JP6032984B2 JP2012158603A JP2012158603A JP6032984B2 JP 6032984 B2 JP6032984 B2 JP 6032984B2 JP 2012158603 A JP2012158603 A JP 2012158603A JP 2012158603 A JP2012158603 A JP 2012158603A JP 6032984 B2 JP6032984 B2 JP 6032984B2
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- diaphragm
- yoke
- acoustic transducer
- earphone
- electromagnetic acoustic
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 210000000613 ear canal Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
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- Headphones And Earphones (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Description
振動板をヨーク一端の開口面に対し、その形状がヨークの一端におけるエッジの全体形状に対応する円板状の樹脂シートを介して固定したことを特徴とするイヤホン用電磁型音響変換装置である。
次いで本発明の発明者らは、前記樹脂シート9の形状としては、エッジ7の形状に対応するワッシャー状ではなく、図4に示すように、ヨーク6の一端におけるエッジ7の全体形状に対応する円板状のものとした。
Claims (3)
- 筒状のヨークと、該ヨーク一端の開口面に固定された振動板と、該振動板上に固定された可動鉄片と、前記ヨーク他端に設けられた基体からその一部を振動板に向けて柱状に突出させたポールピースと、該ポールピースの柱状部分に巻回されたコイルと、該コイルを取り囲むように配設された磁石とからなる電磁型音響変換装置であって、
振動板をヨーク一端の開口面に対し、その形状がヨークの一端におけるエッジの全体形状に対応する円板状の樹脂シートを介して固定したことを特徴とするイヤホン用電磁型音響変換装置。 - 振動板の外径をφ13以下とした請求項1に記載のイヤホン用電磁型音響変換装置。
- 樹脂シートが熱成型されたものである請求項1に記載のイヤホン用電磁型音響変換装置。
Priority Applications (1)
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JP2012158603A JP6032984B2 (ja) | 2012-07-17 | 2012-07-17 | イヤホン用電磁型音響変換装置 |
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JP2012158603A JP6032984B2 (ja) | 2012-07-17 | 2012-07-17 | イヤホン用電磁型音響変換装置 |
Publications (2)
Publication Number | Publication Date |
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JP2014022876A JP2014022876A (ja) | 2014-02-03 |
JP6032984B2 true JP6032984B2 (ja) | 2016-11-30 |
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JP2012158603A Active JP6032984B2 (ja) | 2012-07-17 | 2012-07-17 | イヤホン用電磁型音響変換装置 |
Country Status (1)
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JP (1) | JP6032984B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021258353A1 (zh) * | 2020-06-24 | 2021-12-30 | 瑞声声学科技(深圳)有限公司 | 一种扬声器及其磁路*** |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51101135U (ja) * | 1975-02-13 | 1976-08-13 | ||
JPH0879890A (ja) * | 1994-09-08 | 1996-03-22 | Fuji Elelctrochem Co Ltd | 可動鉄片型スピーカ |
JPH09215091A (ja) * | 1996-01-31 | 1997-08-15 | Kyocera Corp | 電磁型発音体 |
JP2000059889A (ja) * | 1998-08-07 | 2000-02-25 | Sony Corp | 電気音響変換装置 |
JP4231879B2 (ja) * | 2006-07-20 | 2009-03-04 | ホシデン株式会社 | 圧電型電気音響変換器 |
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2012
- 2012-07-17 JP JP2012158603A patent/JP6032984B2/ja active Active
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JP2014022876A (ja) | 2014-02-03 |
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