JP2009192815A - 光学装置の遮光構造 - Google Patents
光学装置の遮光構造 Download PDFInfo
- Publication number
- JP2009192815A JP2009192815A JP2008033376A JP2008033376A JP2009192815A JP 2009192815 A JP2009192815 A JP 2009192815A JP 2008033376 A JP2008033376 A JP 2008033376A JP 2008033376 A JP2008033376 A JP 2008033376A JP 2009192815 A JP2009192815 A JP 2009192815A
- Authority
- JP
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- Prior art keywords
- group
- lens
- optical axis
- light shielding
- guide
- 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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- 230000003287 optical effect Effects 0.000 title claims abstract description 144
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 description 27
- 238000003384 imaging method Methods 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/003—Light absorbing elements
-
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- 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
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lens Barrels (AREA)
Abstract
【解決手段】 光軸方向位置の異なる複数の光学要素を備える光学装置において、2つの光学要素の間に、有害光を遮断する環状遮光部材を少なくとも1つ位置させたこと;及び、この2つの光学要素の一方と他方と環状遮光部材との間にそれぞれ光軸方向に弾性変形可能に保持された少なくとも2つのばね手段を含む複数のばね手段により環状遮光部材を挟持したこと;を特徴とする遮光構造。
【選択図】図23
Description
1a レンズ筒部
1b 径方向壁部
6 2群レンズ枠
6a レンズ筒部
6b 揺動アーム部
6c 揺動中心筒部
6d 揺動軸孔
6e 規制突起
8 2群レンズ移動枠
8a 第1直進ガイド溝部
8b 第2直進ガイド溝部
8c 2群用カムフォロア
8g 貫通切欠部
10 2群直進案内環
10d 第1直進案内キー突起
10e 第2直進案内キー突起
10e1 貫通収納切欠
10e2 橋絡部
10e3 ガイドバー部
11 カム環
11d 2群案内カム溝
11g 収納凹部
12 第3繰出筒
13 第2繰出筒
14 直進案内環
18 第1繰出筒
21 撮像センサホルダ
21a カム突起
22 固定環
33 2群揺動軸
51 AFレンズ枠
51a レンズ保持部
52 AFガイド軸
53 レンズ押さえ板
54 AFナット
60 撮像センサ
71 171 ズームレンズ鏡筒
76 シャッタユニット
78 ばね当接環
79 第1ばね部材(ばね手段)
80 第2ばね部材(ばね手段)
81 81A 81B 環状遮光部材
81a 81b 径方向フランジ部(径方向壁面部)
81c 環状接続部
81d 遮光壁部
82 中間ばね部材(ばね手段)
150 ズームモータ
160 AFモータ
A 絞り
G1 G2 G3 G4 直進ガイド面
LF ローパスフィルタ
LG1 第1レンズ群
LG2 第2レンズ群
LG3 第3レンズ群
LG3-Q 第3レンズ群の基本円形形状
LG3-V 長辺方向縁部
LG3-W 短辺方向縁部
P1 軸上平面
P2 第2の軸上平面
S シャッタ
Z1 撮影光学系の光軸
Z2 第2レンズ群の光軸
Claims (5)
- 光軸方向に離間した複数の光学要素を備える光学装置において、
上記複数の光学要素の間に環状遮光部材を位置させ、この環状遮光部材を、該環状遮光部材と光学要素の間に配したばね手段により、浮動状態で支持したことを特徴とする光学装置の遮光構造。 - 請求項1記載の光学装置の遮光構造において、環状遮光部材は光軸方向に位置を異ならせて複数が備えられ、隣り合う該複数の環状遮光部材の間に別のばね手段が介在している光学装置の遮光構造。
- 請求項1または2記載の光学装置の遮光構造において、複数の光学要素は光軸方向に可動で間隔を変化させる光学装置の遮光構造。
- 請求項1ないし3のいずれか1項記載の光学装置の遮光構造において、ばね手段は、圧縮コイルばねである光学装置の遮光構造。
- 請求項4記載の光学装置の遮光構造において、環状遮光部材は、光軸と略直交する平面内に形成され上記圧縮コイルばねの端部が当接する径方向壁面部を有している光学装置の遮光構造。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008033376A JP5172376B2 (ja) | 2008-02-14 | 2008-02-14 | 光学装置の遮光構造 |
TW098104162A TWI461811B (zh) | 2008-02-14 | 2009-02-10 | 光學裝置之遮光構造及可伸縮光學裝置之遮光構造 |
US12/369,231 US7835088B2 (en) | 2008-02-14 | 2009-02-11 | Light shielding structure of an optical device |
CN2009100072278A CN101509995B (zh) | 2008-02-14 | 2009-02-13 | 光学装置的光屏蔽结构 |
KR1020090011799A KR101171918B1 (ko) | 2008-02-14 | 2009-02-13 | 광학 장치의 차광 구조 |
GB0902487A GB2457383B (en) | 2008-02-14 | 2009-02-16 | Light shielding structure of an optical device |
DE102009009042A DE102009009042A1 (de) | 2008-02-14 | 2009-02-16 | Lichtabschirmkonstruktion für ein optisches Gerät |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008033376A JP5172376B2 (ja) | 2008-02-14 | 2008-02-14 | 光学装置の遮光構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009192815A true JP2009192815A (ja) | 2009-08-27 |
JP5172376B2 JP5172376B2 (ja) | 2013-03-27 |
Family
ID=40548207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008033376A Expired - Fee Related JP5172376B2 (ja) | 2008-02-14 | 2008-02-14 | 光学装置の遮光構造 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7835088B2 (ja) |
JP (1) | JP5172376B2 (ja) |
KR (1) | KR101171918B1 (ja) |
CN (1) | CN101509995B (ja) |
DE (1) | DE102009009042A1 (ja) |
GB (1) | GB2457383B (ja) |
TW (1) | TWI461811B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013152325A (ja) * | 2012-01-25 | 2013-08-08 | Hoya Corp | ズームレンズ鏡筒 |
WO2015141930A1 (en) * | 2014-03-18 | 2015-09-24 | Samsung Electronics Co., Ltd. | Auto focus locking unit and photographing apparatus including the same |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120075518A1 (en) * | 2010-09-29 | 2012-03-29 | Hoya Corporation | Imaging unit |
TWI495946B (zh) * | 2011-01-26 | 2015-08-11 | Hon Hai Prec Ind Co Ltd | 遮光片及採用該遮光片的相機模組 |
TWI467108B (zh) * | 2012-07-12 | 2015-01-01 | Univ Southern Taiwan | Flexible flat panel storage lamps |
TWI486665B (zh) * | 2013-05-03 | 2015-06-01 | Sintai Optical Shenzhen Co Ltd | 光學裝置 |
JP6478199B2 (ja) | 2014-02-28 | 2019-03-06 | 三星電子株式会社Samsung Electronics Co.,Ltd. | レンズ鏡筒および光学機器 |
EP3009997B1 (en) * | 2014-10-15 | 2016-11-23 | Axis AB | Arrangement for a monitoring camera device |
TWI667507B (zh) * | 2018-04-20 | 2019-08-01 | 大立光電股份有限公司 | 環形光學元件、成像鏡頭以及取像裝置 |
TWI777499B (zh) * | 2021-04-16 | 2022-09-11 | 大立光電股份有限公司 | 成像鏡頭模組、成像鏡頭驅動模組、相機模組與電子裝置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0688932A (ja) * | 1992-09-09 | 1994-03-29 | Canon Inc | 光学機器 |
JP2000121903A (ja) * | 1998-10-14 | 2000-04-28 | Asahi Optical Co Ltd | レンズ鏡筒の遮光装置 |
JP2004205678A (ja) * | 2002-12-24 | 2004-07-22 | Nitto Kogaku Kk | 鏡筒駆動機構 |
JP2006322967A (ja) * | 2005-05-17 | 2006-11-30 | Olympus Imaging Corp | 撮像装置 |
JP2007249064A (ja) * | 2006-03-17 | 2007-09-27 | Casio Comput Co Ltd | 可動絞り付き移動レンズ機構及びこのレンズ機構を備えたプロジェクタ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1066503A (en) * | 1962-11-15 | 1967-04-26 | Rank Precision Ind Ltd | Improvements in or relating to optical objectives of variable equivalent focal length |
JPH0738839Y2 (ja) * | 1990-05-15 | 1995-09-06 | オムロン株式会社 | 流れ式粒子分析装置 |
JPH0494747A (ja) | 1990-08-08 | 1992-03-26 | Ibiden Co Ltd | セラミックス微粒子の製造方法 |
US6909464B2 (en) * | 2000-01-31 | 2005-06-21 | Pentax Corporation | Zoom lens and a movable lens hood mounting mechanism of the zoom lens |
CN1237363C (zh) * | 2001-06-15 | 2006-01-18 | 雅客设计有限公司 | 数字静物照相机镜头组件区域的有害漏光防止装置 |
JP2004020774A (ja) | 2002-06-14 | 2004-01-22 | Nikon Corp | 遮光装置を備えるレンズ鏡筒 |
US7088916B2 (en) * | 2002-08-27 | 2006-08-08 | Pentax Corporation | Retractable lens barrel |
US6888685B2 (en) * | 2003-02-06 | 2005-05-03 | Pentax Corporation | Retracting mechanism of a zoom lens barrel |
US6853500B2 (en) * | 2003-02-13 | 2005-02-08 | Pentax Corporation | Retracting mechanism of a zoom lens barrel |
JP4571811B2 (ja) | 2004-02-16 | 2010-10-27 | Hoya株式会社 | レンズ鏡筒のカム機構 |
JP4537892B2 (ja) * | 2005-06-01 | 2010-09-08 | Hoya株式会社 | レンズ鏡筒 |
JP4744963B2 (ja) * | 2005-07-22 | 2011-08-10 | Hoya株式会社 | レンズ鏡筒 |
-
2008
- 2008-02-14 JP JP2008033376A patent/JP5172376B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-10 TW TW098104162A patent/TWI461811B/zh not_active IP Right Cessation
- 2009-02-11 US US12/369,231 patent/US7835088B2/en not_active Expired - Fee Related
- 2009-02-13 KR KR1020090011799A patent/KR101171918B1/ko not_active IP Right Cessation
- 2009-02-13 CN CN2009100072278A patent/CN101509995B/zh not_active Expired - Fee Related
- 2009-02-16 GB GB0902487A patent/GB2457383B/en not_active Expired - Fee Related
- 2009-02-16 DE DE102009009042A patent/DE102009009042A1/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0688932A (ja) * | 1992-09-09 | 1994-03-29 | Canon Inc | 光学機器 |
JP2000121903A (ja) * | 1998-10-14 | 2000-04-28 | Asahi Optical Co Ltd | レンズ鏡筒の遮光装置 |
JP2004205678A (ja) * | 2002-12-24 | 2004-07-22 | Nitto Kogaku Kk | 鏡筒駆動機構 |
JP2006322967A (ja) * | 2005-05-17 | 2006-11-30 | Olympus Imaging Corp | 撮像装置 |
JP2007249064A (ja) * | 2006-03-17 | 2007-09-27 | Casio Comput Co Ltd | 可動絞り付き移動レンズ機構及びこのレンズ機構を備えたプロジェクタ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013152325A (ja) * | 2012-01-25 | 2013-08-08 | Hoya Corp | ズームレンズ鏡筒 |
US9488798B2 (en) | 2012-01-25 | 2016-11-08 | Hoya Corporation | Zoom lens barrel |
WO2015141930A1 (en) * | 2014-03-18 | 2015-09-24 | Samsung Electronics Co., Ltd. | Auto focus locking unit and photographing apparatus including the same |
US10203469B2 (en) | 2014-03-18 | 2019-02-12 | Samsung Electronics Co., Ltd. | Auto focus locking unit and photographing apparatus including the same |
Also Published As
Publication number | Publication date |
---|---|
KR20090088327A (ko) | 2009-08-19 |
US20090207505A1 (en) | 2009-08-20 |
TWI461811B (zh) | 2014-11-21 |
TW200935156A (en) | 2009-08-16 |
GB2457383B (en) | 2011-01-19 |
US7835088B2 (en) | 2010-11-16 |
GB0902487D0 (en) | 2009-04-01 |
CN101509995B (zh) | 2012-07-04 |
JP5172376B2 (ja) | 2013-03-27 |
CN101509995A (zh) | 2009-08-19 |
DE102009009042A1 (de) | 2009-08-20 |
KR101171918B1 (ko) | 2012-08-08 |
GB2457383A (en) | 2009-08-19 |
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