JP4499448B2 - レンズ駆動装置 - Google Patents
レンズ駆動装置 Download PDFInfo
- Publication number
- JP4499448B2 JP4499448B2 JP2004060034A JP2004060034A JP4499448B2 JP 4499448 B2 JP4499448 B2 JP 4499448B2 JP 2004060034 A JP2004060034 A JP 2004060034A JP 2004060034 A JP2004060034 A JP 2004060034A JP 4499448 B2 JP4499448 B2 JP 4499448B2
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- Japan
- Prior art keywords
- lens
- magnet
- coil
- yoke
- driving device
- 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.)
- Expired - Lifetime
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- 230000003287 optical effect Effects 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Lens Barrels (AREA)
Description
また、ヨーク2の外周壁2cの内面には、一対の円弧状のコイル70が固着されている。この場合、これらのコイル70は、外周壁2cの周方向の一部に沿って対向して延在している。
2 ヨーク
4,6,64,66 レンズ支持体
8,50 マグネット
10,70 コイル
Claims (2)
- 筒状のヨークと、ヨーク内に配置されレンズの光軸方向に沿って移動可能な筒状のレンズ支持体と、ヨークに固定されたマグネットと、レンズ支持体の側面に固定されたコイルとを備え、
コイルは側面視矩形の環状を成しておりレンズの光軸方向の一方側にある一辺部と一辺部に対向する対向辺部を有し、マグネットはレンズ支持体の移動方向に沿って配列された2つのマグネット部から成り、一方のマグネット部はコイルの前記一辺部に対向し、他方のマグネット部はコイルの前記対向辺部に対向して設けてあり且つ2つのマグネット部同士の極性が互いに異なっており、コイルに流される電流と各マグネット部が形成する磁界とにより誘起される電磁力によってリニアに移動されることを特徴とするレンズ駆動装置。 - 円筒状のヨークと、ヨーク内に収容され、レンズの光軸方向に沿って移動可能な筒状のレンズ支持体と、ヨークに固定されたマグネットと、レンズ支持体の側面に固定され光軸方向から見て円弧状を成すコイルとを備え、
コイルは側面視矩形の環状を成しておりレンズの光軸方向の一方側にある一辺部と一辺部に対向する対向辺部を有し、マグネットはレンズ支持体の移動方向に沿って配列された2つのマグネット部から成り、一方のマグネット部はコイルの前記一辺部に対向し、他方のマグネット部はコイルの前記対向辺部に対向して設けてあり且つ2つのマグネット部同士の極性が互いに異なっており、コイルに流される電流と各マグネット部が形成する磁界とにより誘起される電磁力によってリニアに移動されることを特徴とするレンズ駆動装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004060034A JP4499448B2 (ja) | 2004-03-04 | 2004-03-04 | レンズ駆動装置 |
KR1020040064081A KR100681589B1 (ko) | 2004-02-18 | 2004-08-14 | 렌즈 구동장치 |
US10/926,221 US7394603B2 (en) | 2004-02-18 | 2004-08-26 | Lens driving apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004060034A JP4499448B2 (ja) | 2004-03-04 | 2004-03-04 | レンズ駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005250074A JP2005250074A (ja) | 2005-09-15 |
JP4499448B2 true JP4499448B2 (ja) | 2010-07-07 |
Family
ID=35030612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004060034A Expired - Lifetime JP4499448B2 (ja) | 2004-02-18 | 2004-03-04 | レンズ駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4499448B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007121547A (ja) * | 2005-10-26 | 2007-05-17 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP4495705B2 (ja) * | 2006-08-31 | 2010-07-07 | 日本電産サンキョー株式会社 | レンズ駆動装置 |
JP2007248671A (ja) * | 2006-03-15 | 2007-09-27 | Nidec Copal Corp | レンズ駆動装置 |
JP2008180911A (ja) * | 2007-01-24 | 2008-08-07 | Mitsumi Electric Co Ltd | カメラモジュール |
JP2009211076A (ja) * | 2008-02-29 | 2009-09-17 | Johnson Electric Sa | レンズ駆動装置 |
JP5809791B2 (ja) * | 2010-10-20 | 2015-11-11 | オリンパス株式会社 | レンズ装置 |
JP2012103373A (ja) * | 2010-11-09 | 2012-05-31 | Shicoh Engineering Co Ltd | レンズ駆動装置、オートフォーカスカメラ及びカメラ付きモバイル端末 |
JP2013011748A (ja) * | 2011-06-29 | 2013-01-17 | Nikon Corp | レンズ鏡筒 |
KR101906910B1 (ko) * | 2011-11-30 | 2018-10-11 | 엘지이노텍 주식회사 | 스프링리스 보이스 코일 모터 |
JP5861656B2 (ja) * | 2013-03-29 | 2016-02-16 | Tdk株式会社 | レンズ駆動装置 |
CN106716212B (zh) * | 2014-09-30 | 2018-04-20 | 富士胶片株式会社 | 变焦透镜镜筒、可换镜头及电视摄像机装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04293005A (ja) * | 1991-03-22 | 1992-10-16 | Canon Inc | 光学機器 |
JPH07239437A (ja) * | 1994-02-25 | 1995-09-12 | Sony Corp | 電磁駆動装置及び電磁駆動装置を用いたレンズ駆動機構 |
JPH0875974A (ja) * | 1994-09-01 | 1996-03-22 | Canon Inc | レンズ鏡筒 |
JP2000266982A (ja) * | 1999-03-15 | 2000-09-29 | Sony Corp | レンズ鏡筒 |
JP2002023037A (ja) * | 2000-07-07 | 2002-01-23 | Sony Corp | レンズ鏡筒 |
JP2003149537A (ja) * | 2001-11-13 | 2003-05-21 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP2003149529A (ja) * | 2001-11-13 | 2003-05-21 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP2003338069A (ja) * | 2002-05-21 | 2003-11-28 | Toshiba Corp | 光ヘッド装置 |
-
2004
- 2004-03-04 JP JP2004060034A patent/JP4499448B2/ja not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04293005A (ja) * | 1991-03-22 | 1992-10-16 | Canon Inc | 光学機器 |
JPH07239437A (ja) * | 1994-02-25 | 1995-09-12 | Sony Corp | 電磁駆動装置及び電磁駆動装置を用いたレンズ駆動機構 |
JPH0875974A (ja) * | 1994-09-01 | 1996-03-22 | Canon Inc | レンズ鏡筒 |
JP2000266982A (ja) * | 1999-03-15 | 2000-09-29 | Sony Corp | レンズ鏡筒 |
JP2002023037A (ja) * | 2000-07-07 | 2002-01-23 | Sony Corp | レンズ鏡筒 |
JP2003149537A (ja) * | 2001-11-13 | 2003-05-21 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP2003149529A (ja) * | 2001-11-13 | 2003-05-21 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP2003338069A (ja) * | 2002-05-21 | 2003-11-28 | Toshiba Corp | 光ヘッド装置 |
Also Published As
Publication number | Publication date |
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JP2005250074A (ja) | 2005-09-15 |
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