JP5809448B2 - レンズアクチュエータの温度補償構造 - Google Patents
レンズアクチュエータの温度補償構造 Download PDFInfo
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- JP5809448B2 JP5809448B2 JP2011118973A JP2011118973A JP5809448B2 JP 5809448 B2 JP5809448 B2 JP 5809448B2 JP 2011118973 A JP2011118973 A JP 2011118973A JP 2011118973 A JP2011118973 A JP 2011118973A JP 5809448 B2 JP5809448 B2 JP 5809448B2
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- insulator
- lens
- back plate
- lens actuator
- piezoelectric element
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Description
2 温度補償用ブロック
3 第1梃子部
4 背面板
5 第2梃子部
6 補強用ブロック
7 レンズホルダ
8 ベース部
A 面取り部
B 切り欠き部
C 貫通孔
D 屈曲部
I 光軸方向
J 引張方向
K 曲げ方向
L 圧電素子−背面板接線
Claims (4)
- 伸縮方向の両端に温度補償用ブロックを取り付けた圧電素子を有する駆動部と、
前記駆動部の両端をそれぞれ力点として表面に固定した板状の第1梃子部と、
前記各第1梃子部の片側端部同士を繋ぎ、支点となる背面板とによって変位拡大部を構成し、
前記各第1梃子部の作用点となる各他端部を、該他端部間に生じる変位を前記駆動部の伸縮方向と直交する方向の変位に変える第2梃子部に連結した連結梃子型のレンズアクチュエータであって、
前記背面板のみを不変鋼によって構成したレンズアクチュエータ。
- 温度補償用ブロックは、アルミもしくはアルミ系合金、黄銅、錫、マグネシウム合金、ガラス繊維強化樹脂で構成された請求項1記載のレンズアクチュエータ。
- 前記背面板が前記圧電素子の伸縮方向に沿った屈曲部を有している請求項1記載のレンズアクチュエータ。
- 前記第1梃子部が固定穴以外の貫通孔を有している請求項1記載のレンズアクチュエータ。
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JP2011118973A JP5809448B2 (ja) | 2011-05-27 | 2011-05-27 | レンズアクチュエータの温度補償構造 |
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JP2011118973A JP5809448B2 (ja) | 2011-05-27 | 2011-05-27 | レンズアクチュエータの温度補償構造 |
Publications (2)
Publication Number | Publication Date |
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JP2012247608A JP2012247608A (ja) | 2012-12-13 |
JP5809448B2 true JP5809448B2 (ja) | 2015-11-10 |
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JP2011118973A Active JP5809448B2 (ja) | 2011-05-27 | 2011-05-27 | レンズアクチュエータの温度補償構造 |
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JP (1) | JP5809448B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017072702A (ja) * | 2015-10-07 | 2017-04-13 | 有限会社メカノトランスフォーマ | ファイバーストレッチャー |
CN110750024B (zh) * | 2018-07-24 | 2021-09-07 | 铭异科技股份有限公司 | 单轴光学致动器的悬吊系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6421975A (en) * | 1987-07-16 | 1989-01-25 | Brother Ind Ltd | Piezoelectric element drive type actuator |
JP2932663B2 (ja) * | 1990-10-18 | 1999-08-09 | ブラザー工業株式会社 | 圧電素子を有する駆動装置 |
JP2009258299A (ja) * | 2008-04-15 | 2009-11-05 | Namiki Precision Jewel Co Ltd | 傾斜型変位拡大機構を用いたレンズアクチュエータ |
JP5292529B2 (ja) * | 2008-04-15 | 2013-09-18 | 並木精密宝石株式会社 | レンズアクチュエータ |
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- 2011-05-27 JP JP2011118973A patent/JP5809448B2/ja active Active
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