JP2005128392A - レンズ駆動装置 - Google Patents
レンズ駆動装置 Download PDFInfo
- Publication number
- JP2005128392A JP2005128392A JP2003365865A JP2003365865A JP2005128392A JP 2005128392 A JP2005128392 A JP 2005128392A JP 2003365865 A JP2003365865 A JP 2003365865A JP 2003365865 A JP2003365865 A JP 2003365865A JP 2005128392 A JP2005128392 A JP 2005128392A
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 76
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0025—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having one lens only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
- H02N2/0055—Supports for driving or driven bodies; Means for pressing driving body against driven body
- H02N2/006—Elastic elements, e.g. springs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
【解決手段】 本発明のレンズ駆動装置1において、前側スプリング9は内周側端部9aをレンズ支持体7に取り付け外周側端部9bをヨーク3に取り付け、後側スプリング11は内周側端部11aをレンズ支持体7に取り付け外周側端部11bをヨーク3に取り付け、前側スプリング9と後側スプリング11とは、レンズ20の光軸方向の前後でそれぞれレンズ支持体7に取り付けてあり、コイル15に通電して生じる電磁力によりレンズ支持体7をレンズの光軸方向に移動しするものであり、前側スプリング9と後側スプリング11とは、コイル15に通電していない状態においてレンズ支持体7をベース5に向けて付勢力を付与して、レンズ支持体7をベース5に押圧している。
【選択図】 図1
Description
組み立ては、レンズ支持体7に後側スプリング11の内周側端部11aを取り付け、マグネット13、レンズ支持体7に固定したコイル15をヨーク3の内部に配置して、ベース5の基底部5bに後方スペーサ17を介して組み付ける。尚、後側スプリング11の挿入空間27にはレンズ支持体7の突起7bを挿入する。その後、前方スペーサ21とヨーク3との間に前方スプリング9の内周側端部9aを載置してキャップ24で固定するとともにフレーム23をベース5に取り付けて外周側端部9bをフレーム23で固定する。
3 ヨーク
5 ベース
7 レンズ支持体
7b 突起
9 前側スプリング
9a 内周側端部
9b 外周側端部
11 後側スプリング
11a 内周側端部
11b 外周側端部
13 マグネット
15 コイル
25 腕部
25a 外周側端部の連結部
25b 内周側端部の連結部
27 周方向の湾曲部
29 径方向の湾曲部
Claims (5)
- 断面コ字形状で円筒形を成すヨークと、ヨークが装着されるベースと、ヨークのコ字の内部に配置されたマグネットとコイルと、ヨークの内周側に配置され且つ外周に前記コイルが固定されたレンズ支持体と、内周側端部をレンズ支持体に取り付け外周側端部をヨークに取り付けた前側スプリングと後側スプリングとを備え、前側スプリングと後側スプリングとは、レンズの光軸方向の前後でそれぞれレンズ支持体に取り付けてあり、コイルに通電して生じる電磁力によりレンズ支持体をレンズの光軸方向に移動するレンズ駆動装置であって、
前側スプリングと後側スプリングとは、コイルに通電していない状態においてレンズ支持体をベースに向けて付勢力を付与して、レンズ支持体をベースに押圧していることを特徴とするレンズ駆動装置。 - 前側スプリング及び後側スプリングはそれぞれ略環状の板ばねであり、外周側端部と内周側端部との間の腕部が設けてあり、腕部は周方向に沿って延出しており且つその長手方向に複数の連続する湾曲部を備えることを特徴とする請求項1に記載のレンズ駆動装置。
- 前側スプリング及び後側スプリングはそれぞれ略環状の板ばねであり、外周側端部と内周側端部との間の腕部が設けてあり、腕部は周方向に略S字形状を成していることを特徴とする請求項1に記載のレンズ駆動装置。
- 前記腕部の外周側端部との連結部部及び内周側端部との連結部には、径方向の断面が湾曲していることを特徴とする請求項2又は3に記載のレンズ駆動装置。
- 前側スプリング及び後側スプリングの少なくとも一方は、組み付け前の自然状態において、内周側端部よりも外周側端部の方が光軸方向の前側に位置するように、内周側端部と外周側端部との間に段差を形成しており、スプリングの組み付けにより内周側端部と外周側端部との段差を小さくして付勢力を付与することを特徴とする請求項2〜4のいずれか一項に記載のレンズ駆動装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003365865A JP3950103B2 (ja) | 2003-10-27 | 2003-10-27 | カメラ用レンズ駆動装置 |
KR1020040060516A KR100600914B1 (ko) | 2003-10-27 | 2004-07-30 | 렌즈 구동장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003365865A JP3950103B2 (ja) | 2003-10-27 | 2003-10-27 | カメラ用レンズ駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005128392A true JP2005128392A (ja) | 2005-05-19 |
JP3950103B2 JP3950103B2 (ja) | 2007-07-25 |
Family
ID=34644393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003365865A Expired - Lifetime JP3950103B2 (ja) | 2003-10-27 | 2003-10-27 | カメラ用レンズ駆動装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3950103B2 (ja) |
KR (1) | KR100600914B1 (ja) |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006079072A (ja) * | 2004-08-13 | 2006-03-23 | Mitsumi Electric Co Ltd | オートフォーカス用アクチュエータ |
JP2006323251A (ja) * | 2005-05-20 | 2006-11-30 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP2006330227A (ja) * | 2005-05-25 | 2006-12-07 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP2006337927A (ja) * | 2005-06-06 | 2006-12-14 | Shicoh Eng Co Ltd | レンズ駆動装置 |
JP2007065431A (ja) * | 2005-08-31 | 2007-03-15 | Mitsumi Electric Co Ltd | カメラ用アクチュエータ |
JP2007065432A (ja) * | 2005-08-31 | 2007-03-15 | Mitsumi Electric Co Ltd | カメラ用アクチュエータ |
JP2007171764A (ja) * | 2005-12-26 | 2007-07-05 | Arima Device Kk | レンズ駆動装置 |
EP1867033A1 (en) * | 2005-12-02 | 2007-12-19 | LG Innotek Co., Ltd. | Lens driving motor and elastic member of the same |
EP1901103A1 (en) * | 2006-09-14 | 2008-03-19 | Mitsumi Electric Co., Ltd. | Camera module |
JP2008122846A (ja) * | 2006-11-15 | 2008-05-29 | Micro Uintekku Kk | レンズ駆動装置用バネ部材 |
WO2008140186A1 (en) * | 2007-05-10 | 2008-11-20 | Hysonic. Co., Ltd. | Image photographing device |
JP2008281657A (ja) * | 2007-05-08 | 2008-11-20 | Nidec Sankyo Corp | レンズ駆動装置 |
JP2008281820A (ja) * | 2007-05-11 | 2008-11-20 | Nidec Sankyo Corp | レンズ駆動装置 |
US7489459B2 (en) | 2007-06-06 | 2009-02-10 | Wah Hong Industrial Corp. | Lens actuating apparatus |
US7518812B2 (en) | 2007-02-05 | 2009-04-14 | Nidec Sankyo Corporation | Lens drive device |
EP2096475A1 (en) | 2008-02-28 | 2009-09-02 | Mitsumi Electric Co., Ltd. | Lens driving apparatus |
EP2096476A1 (en) | 2008-02-29 | 2009-09-02 | Mitsumi Electric Co., Ltd. | Lens driving apparatus |
EP2099029A1 (en) | 2008-03-05 | 2009-09-09 | Mitsumi Electric Co., Ltd. | Plate spring and lens driving apparatus |
US7589922B2 (en) | 2006-11-08 | 2009-09-15 | Nidec Sankyo Corporation | Lens driving apparatus and its manufacturing method |
EP2144103A1 (en) | 2008-07-07 | 2010-01-13 | Mitsumi Electric Co., Ltd. | Lens Driving Device Comprising Magnetic Circuit with High Magnetic Efficiency |
US7679225B2 (en) | 2007-05-15 | 2010-03-16 | Industrial Technology Research Institute | Voice coil motors and pre-compression generation devices thereof |
JP2010072541A (ja) * | 2008-09-22 | 2010-04-02 | Nidec Sankyo Corp | レンズ駆動装置 |
KR100987934B1 (ko) | 2008-04-01 | 2010-10-18 | 미쓰미덴기가부시기가이샤 | 렌즈 구동장치 |
US8004779B2 (en) | 2007-09-26 | 2011-08-23 | Nidec Sankyo Corporation | Lens drive device |
JP2012058758A (ja) * | 2004-08-05 | 2012-03-22 | Mitsumi Electric Co Ltd | レンズ駆動装置およびカメラ |
CN101435908B (zh) * | 2007-11-14 | 2013-05-08 | 日本电产三协株式会社 | 透镜驱动装置、弹簧部件以及该装置和部件的制造方法 |
JP2014062964A (ja) * | 2012-09-20 | 2014-04-10 | Dainippon Printing Co Ltd | 板バネ、カメラモジュールの駆動機構および電子機器端末 |
CN105721743A (zh) * | 2014-12-03 | 2016-06-29 | 佳能企业股份有限公司 | 摄像模块及应用其的电子装置 |
US9395510B2 (en) | 2013-04-11 | 2016-07-19 | Tdk Corporation | Lens holding device for camera module |
CN108418390A (zh) * | 2018-03-28 | 2018-08-17 | 北京小米移动软件有限公司 | 音圈马达的弹片、音圈马达、摄像头模组及终端 |
US10180558B2 (en) | 2014-11-28 | 2019-01-15 | Ability Enterprise Co., Ltd. | Imaging module and electronic device using the same |
Families Citing this family (5)
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KR100562723B1 (ko) * | 2004-05-01 | 2006-03-20 | 주식회사 포엠 | 통신기기용 소형 카메라장치 및 그를 구비한 통신기기 |
KR100708772B1 (ko) * | 2005-10-07 | 2007-04-17 | 주식회사 뮤타스 | 다이아프램을 구비한 화상 촬영 장치 |
KR100817033B1 (ko) * | 2006-10-24 | 2008-03-27 | 재영솔루텍 주식회사 | 소형렌즈모듈의 자동 초점 조절 장치 |
JP5333790B2 (ja) * | 2010-11-26 | 2013-11-06 | ミツミ電機株式会社 | レンズ駆動装置 |
CN108121129B (zh) * | 2018-01-19 | 2020-11-10 | 信利光电股份有限公司 | 一种弹性元件、对焦装置及摄像模组 |
-
2003
- 2003-10-27 JP JP2003365865A patent/JP3950103B2/ja not_active Expired - Lifetime
-
2004
- 2004-07-30 KR KR1020040060516A patent/KR100600914B1/ko active IP Right Grant
Cited By (49)
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JP2012058758A (ja) * | 2004-08-05 | 2012-03-22 | Mitsumi Electric Co Ltd | レンズ駆動装置およびカメラ |
JP2006079072A (ja) * | 2004-08-13 | 2006-03-23 | Mitsumi Electric Co Ltd | オートフォーカス用アクチュエータ |
JP2006323251A (ja) * | 2005-05-20 | 2006-11-30 | Shicoh Eng Co Ltd | レンズ駆動装置 |
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JP2006337927A (ja) * | 2005-06-06 | 2006-12-14 | Shicoh Eng Co Ltd | レンズ駆動装置 |
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JP2008122846A (ja) * | 2006-11-15 | 2008-05-29 | Micro Uintekku Kk | レンズ駆動装置用バネ部材 |
US7518812B2 (en) | 2007-02-05 | 2009-04-14 | Nidec Sankyo Corporation | Lens drive device |
JP2008281657A (ja) * | 2007-05-08 | 2008-11-20 | Nidec Sankyo Corp | レンズ駆動装置 |
WO2008140186A1 (en) * | 2007-05-10 | 2008-11-20 | Hysonic. Co., Ltd. | Image photographing device |
JP2008281820A (ja) * | 2007-05-11 | 2008-11-20 | Nidec Sankyo Corp | レンズ駆動装置 |
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CN101435908B (zh) * | 2007-11-14 | 2013-05-08 | 日本电产三协株式会社 | 透镜驱动装置、弹簧部件以及该装置和部件的制造方法 |
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JP2010015067A (ja) * | 2008-07-07 | 2010-01-21 | Mitsumi Electric Co Ltd | レンズ駆動装置 |
EP2144103A1 (en) | 2008-07-07 | 2010-01-13 | Mitsumi Electric Co., Ltd. | Lens Driving Device Comprising Magnetic Circuit with High Magnetic Efficiency |
US8077398B2 (en) | 2008-07-07 | 2011-12-13 | Mitsumi Electric Co., Ltd. | Lens driving device comprising magnetic circuit with high magnetic efficiency |
JP2010072541A (ja) * | 2008-09-22 | 2010-04-02 | Nidec Sankyo Corp | レンズ駆動装置 |
JP2014062964A (ja) * | 2012-09-20 | 2014-04-10 | Dainippon Printing Co Ltd | 板バネ、カメラモジュールの駆動機構および電子機器端末 |
US9395510B2 (en) | 2013-04-11 | 2016-07-19 | Tdk Corporation | Lens holding device for camera module |
US10180558B2 (en) | 2014-11-28 | 2019-01-15 | Ability Enterprise Co., Ltd. | Imaging module and electronic device using the same |
CN105721743A (zh) * | 2014-12-03 | 2016-06-29 | 佳能企业股份有限公司 | 摄像模块及应用其的电子装置 |
CN105721743B (zh) * | 2014-12-03 | 2020-01-21 | 佳能企业股份有限公司 | 摄像模块及应用其的电子装置 |
CN108418390A (zh) * | 2018-03-28 | 2018-08-17 | 北京小米移动软件有限公司 | 音圈马达的弹片、音圈马达、摄像头模组及终端 |
Also Published As
Publication number | Publication date |
---|---|
KR100600914B1 (ko) | 2006-07-13 |
KR20050040098A (ko) | 2005-05-03 |
JP3950103B2 (ja) | 2007-07-25 |
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