JP2011128568A - レンズ鏡筒 - Google Patents
レンズ鏡筒 Download PDFInfo
- Publication number
- JP2011128568A JP2011128568A JP2009289724A JP2009289724A JP2011128568A JP 2011128568 A JP2011128568 A JP 2011128568A JP 2009289724 A JP2009289724 A JP 2009289724A JP 2009289724 A JP2009289724 A JP 2009289724A JP 2011128568 A JP2011128568 A JP 2011128568A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- roller
- lens
- group
- optical axis
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
- G02B7/004—Manual alignment, e.g. micromanipulators
-
- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- 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
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
【解決手段】 レンズを駆動するための振動波モータと、手動操作してレンズを光軸方向に移動させるためのマニュアル連絡環102と、それに当接するスリップ環103と、スリップ環103及び振動波モータに当接するローラー105と、ローラー105を担持するローラー担持環104とを有し、マニュアル連絡環102とスリップ環103との当接面の摩擦抵抗が、ローラー105とスリップ環103との当接面の摩擦抵抗よりも小さくなるように、スリップ環103を構成する。
【選択図】 図2
Description
224 フォーカス環
102 マニュアル連絡環
103 スリップ環
104 ローラー担持環
105 ローラー
111 ロータ
113 ステータ
114 圧電素子
115 フェルトシート
116 バネワッシャ
117 スラストワッシャ
Claims (1)
- レンズを光軸方向に駆動するための環状の振動波モータと、
前記レンズの光軸を回転中心として回転可能であり、手動操作して前記レンズを光軸方向に移動させるためのマニュアル環と、
前記光軸を回転中心として回転可能であり、前記マニュアル環に当接するスリップ環と、
前記光軸に対して直交する放射方向の軸線を中心として回転可能であり、前記スリップ環及び前記振動波モータに当接するローラーと、
該ローラーを担持する共に、前記ローラーと共に前記光軸を中心として回転可能なローラー担持環と、
前記振動波モータを前記ローラー側に圧接する加圧手段とを有し、
前記マニュアル環と前記スリップ環との当接面の摩擦抵抗が、前記ローラーと前記スリップ環との当接面の摩擦抵抗よりも小さくなるように、前記スリップ環を構成することを特徴とするレンズ鏡筒。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009289724A JP5574696B2 (ja) | 2009-12-21 | 2009-12-21 | レンズ鏡筒 |
US12/969,296 US8736987B2 (en) | 2009-12-21 | 2010-12-15 | Lens barrel and camera system |
US14/279,835 US9097960B2 (en) | 2009-12-21 | 2014-05-16 | Lens barrel and camera system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009289724A JP5574696B2 (ja) | 2009-12-21 | 2009-12-21 | レンズ鏡筒 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014137388A Division JP5859069B2 (ja) | 2014-07-03 | 2014-07-03 | レンズ鏡筒 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011128568A true JP2011128568A (ja) | 2011-06-30 |
JP2011128568A5 JP2011128568A5 (ja) | 2013-02-14 |
JP5574696B2 JP5574696B2 (ja) | 2014-08-20 |
Family
ID=44150704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009289724A Active JP5574696B2 (ja) | 2009-12-21 | 2009-12-21 | レンズ鏡筒 |
Country Status (2)
Country | Link |
---|---|
US (2) | US8736987B2 (ja) |
JP (1) | JP5574696B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6016479B2 (ja) * | 2012-06-29 | 2016-10-26 | キヤノン株式会社 | エンコーダ、レンズ装置、および、カメラ |
JP6039299B2 (ja) * | 2012-08-08 | 2016-12-07 | キヤノン株式会社 | エンコーダ、レンズ装置、および、カメラ |
JP6584252B2 (ja) * | 2015-09-14 | 2019-10-02 | キヤノン株式会社 | 電子機器および撮像装置 |
CN108333707B (zh) * | 2017-01-19 | 2020-12-08 | 信泰光学(深圳)有限公司 | 变倍装置 |
CN112558266A (zh) * | 2020-09-21 | 2021-03-26 | 南京理工大学 | 一种光学装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02253214A (ja) * | 1989-03-28 | 1990-10-12 | Canon Inc | レンズ鏡筒 |
JPH08114739A (ja) * | 1994-10-14 | 1996-05-07 | Nikon Corp | 表面波モータ内蔵レンズ鏡筒 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1234567A (en) * | 1915-09-14 | 1917-07-24 | Edward J Quigley | Soft collar. |
US6008958A (en) * | 1996-11-11 | 1999-12-28 | Canon Kabushiki Kaisha | Driving device for optical member and optical apparatus |
JP4038882B2 (ja) * | 1998-05-22 | 2008-01-30 | 株式会社ニコン | オートフォーカスレンズ鏡筒 |
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2009
- 2009-12-21 JP JP2009289724A patent/JP5574696B2/ja active Active
-
2010
- 2010-12-15 US US12/969,296 patent/US8736987B2/en active Active
-
2014
- 2014-05-16 US US14/279,835 patent/US9097960B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02253214A (ja) * | 1989-03-28 | 1990-10-12 | Canon Inc | レンズ鏡筒 |
JPH08114739A (ja) * | 1994-10-14 | 1996-05-07 | Nikon Corp | 表面波モータ内蔵レンズ鏡筒 |
Also Published As
Publication number | Publication date |
---|---|
US20140247511A1 (en) | 2014-09-04 |
US20110149422A1 (en) | 2011-06-23 |
JP5574696B2 (ja) | 2014-08-20 |
US9097960B2 (en) | 2015-08-04 |
US8736987B2 (en) | 2014-05-27 |
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