JP4688687B2 - 圧電振動ユニット及びパネルスピーカ - Google Patents
圧電振動ユニット及びパネルスピーカ Download PDFInfo
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- JP4688687B2 JP4688687B2 JP2006028148A JP2006028148A JP4688687B2 JP 4688687 B2 JP4688687 B2 JP 4688687B2 JP 2006028148 A JP2006028148 A JP 2006028148A JP 2006028148 A JP2006028148 A JP 2006028148A JP 4688687 B2 JP4688687 B2 JP 4688687B2
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- Prior art keywords
- piezoelectric
- vibration unit
- piezoelectric vibration
- panel
- piezoelectric bimorph
- 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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- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 229910052751 metal Inorganic materials 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
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- 229910010293 ceramic material Inorganic materials 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 description 1
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- 239000011888 foil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 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
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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- 230000003746 surface roughness Effects 0.000 description 1
Images
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
2、8、14 音響振動板
3、9、15 連結部材
4、10、13、22 圧電バイモルフ素子
5 リング状部材
6、12、21、33 圧電振動ユニット
7、16 筐体
11 薄肉部
23 薄膜部材
24 接合部材
25 固定部材
26 固定端
27 自由端
28 圧電セラミックス板
29 弾性板
30 結線
31 枠体
32 固定部
34 パネル
Claims (5)
- 複数の圧電素子を、前記圧電素子の厚さ方向に、前記圧電素子の短辺の一端部を、接合部材を介して接合し、他端部を自由端とした圧電振動ユニットであって、前記圧電素子の表面より摩擦係数が小さい薄膜部材を、前記複数の圧電素子の間に配置するとともに、挟まれた前記圧電素子の一方に固定してなることを特徴とする圧電振動ユニット。
- 前記圧電素子は、直接或いは弾性板を挟むようにして、二枚の圧電セラミックス板を接合してなる圧電バイモルフ素子、若しくは弾性板に圧電セラミックス板を接合してなる圧電ユニモルフ素子からなることを特徴とする請求項1に記載の圧電振動ユニット。
- 前記圧電セラミックス板は、内部電極を有する一体焼成された積層圧電セラミックス板からなることを特徴とする請求項2に記載の圧電振動ユニット。
- 請求項1乃至請求項3のいずれか1項に記載の圧電振動ユニットを枠体に収納してなることを特徴とする圧電振動ユニット。
- 請求項1乃至請求項4のいずれか1項に記載の圧電振動ユニットをパネルに装着してなるパネルスピーカ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006028148A JP4688687B2 (ja) | 2006-02-06 | 2006-02-06 | 圧電振動ユニット及びパネルスピーカ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006028148A JP4688687B2 (ja) | 2006-02-06 | 2006-02-06 | 圧電振動ユニット及びパネルスピーカ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007208883A JP2007208883A (ja) | 2007-08-16 |
JP4688687B2 true JP4688687B2 (ja) | 2011-05-25 |
Family
ID=38487899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006028148A Active JP4688687B2 (ja) | 2006-02-06 | 2006-02-06 | 圧電振動ユニット及びパネルスピーカ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4688687B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4561894B2 (ja) * | 2008-07-14 | 2010-10-13 | 株式会社村田製作所 | 圧電モータ及びその製造方法 |
JP5676043B1 (ja) | 2013-10-28 | 2015-02-25 | Necトーキン株式会社 | 音響を発生させる装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61205100A (ja) * | 1985-03-08 | 1986-09-11 | Murata Mfg Co Ltd | 圧電発音体 |
JPH042184A (ja) * | 1990-04-18 | 1992-01-07 | Nec Corp | 電歪効果素子の製造方法 |
JP2004087662A (ja) * | 2002-08-26 | 2004-03-18 | Fdk Corp | 圧電素子 |
-
2006
- 2006-02-06 JP JP2006028148A patent/JP4688687B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61205100A (ja) * | 1985-03-08 | 1986-09-11 | Murata Mfg Co Ltd | 圧電発音体 |
JPH042184A (ja) * | 1990-04-18 | 1992-01-07 | Nec Corp | 電歪効果素子の製造方法 |
JP2004087662A (ja) * | 2002-08-26 | 2004-03-18 | Fdk Corp | 圧電素子 |
Also Published As
Publication number | Publication date |
---|---|
JP2007208883A (ja) | 2007-08-16 |
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