JP6270370B2 - レンズ鏡筒および撮像装置 - Google Patents
レンズ鏡筒および撮像装置 Download PDFInfo
- Publication number
- JP6270370B2 JP6270370B2 JP2013164756A JP2013164756A JP6270370B2 JP 6270370 B2 JP6270370 B2 JP 6270370B2 JP 2013164756 A JP2013164756 A JP 2013164756A JP 2013164756 A JP2013164756 A JP 2013164756A JP 6270370 B2 JP6270370 B2 JP 6270370B2
- Authority
- JP
- Japan
- Prior art keywords
- cam
- cylinder
- rectilinear
- lens barrel
- lens
- 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.)
- Active
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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
- G02B7/04—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
- 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
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups 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
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
-
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
-
- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0046—Movement of one or more optical elements for zooming
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lens Barrels (AREA)
Description
4 第2レンズ保持枠
5 カム筒
5j 突出ギア部
51a〜c 突出部
52a〜c カム溝
6 直進筒
19 レンズ鏡筒
Claims (6)
- 内周部に溝部を有するレンズ鏡筒であって、
固定筒と、
前記固定筒の内周部に設けられた直進溝に係合する直進キーを有する直進筒と、
レンズを保持するレンズ保持部と、
内周部に前記レンズ保持部と係合するカム溝が設けられ、回転することにより、前記レンズ保持部を光軸方向に移動させるカム筒と、
を備え、
前記直進筒は、直進リブを有し、前記カム筒と係合して光軸方向に移動するとともに、前記レンズ保持部の光軸を中心とする回転を規制しており、
前記カム筒の撮像素子側の後端部に突出部が設けられ、
前記レンズ鏡筒の収納位置において、光軸直交方向について、前記突出部と前記直進リブが重なっており、
前記レンズ鏡筒の撮影位置において、前記光軸直交方向について、前記突出部と前記直進リブが重なっておらず、光軸方向について、前記突出部は、前記直進リブよりも被写体側に位置し、
前記突出部の外周面に前記カム筒を回転させるための動力を伝達する第1のギア部が設けられており、
前記突出部の内周面に前記カム溝が設けられている
ことを特徴とするレンズ鏡筒。 - 前記第1のギア部は、撮影位置において、前記カム筒に隣接し、前記カム筒を回転させるための動力源となる駆動部に接続された第2のギア部と嵌合する
ことを特徴とする請求項1に記載のレンズ鏡筒。 - 前記カム筒の内周側に配置され、前記カム筒と係合して前記光軸方向に移動するとともに、前記レンズ保持部の回転方向の移動を規制する直進筒
をさらに備える
ことを特徴とする請求項1または2に記載のレンズ鏡筒。 - 前記カム筒の外周側に配置され、内周部に溝部を有する固定鏡筒と、
前記カム筒の外周面に、前記溝部に追従するフォロア部と、
をさらに備え、
前記第1のギア部は、前記フォロア部よりも像面側に配置される
ことを特徴とする請求項1〜3のいずれか1項に記載のレンズ鏡筒。 - 前記レンズ保持部には、カムピンが設けられ、
前記カムピンは、前記カム溝と係合して追従しており、
前記第1のギア部が設けられている前記突出部の前記カム溝の深さは、前記第1のギア部が設けられていないカム溝よりも浅くなっており、前記カムピンは、伸縮可能に形成されている
ことを特徴とする請求項1〜4のいずれか1項に記載のレンズ鏡筒。 - 請求項1〜5のいずれか1項に記載のレンズ鏡筒を備える、撮像装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013164756A JP6270370B2 (ja) | 2013-08-08 | 2013-08-08 | レンズ鏡筒および撮像装置 |
US14/340,965 US9348110B2 (en) | 2013-08-08 | 2014-07-25 | Lens barrel and imaging apparatus |
CN201410389403.XA CN104345425B (zh) | 2013-08-08 | 2014-08-08 | 镜筒和摄像设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013164756A JP6270370B2 (ja) | 2013-08-08 | 2013-08-08 | レンズ鏡筒および撮像装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015034857A JP2015034857A (ja) | 2015-02-19 |
JP2015034857A5 JP2015034857A5 (ja) | 2016-09-08 |
JP6270370B2 true JP6270370B2 (ja) | 2018-01-31 |
Family
ID=52448445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013164756A Active JP6270370B2 (ja) | 2013-08-08 | 2013-08-08 | レンズ鏡筒および撮像装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9348110B2 (ja) |
JP (1) | JP6270370B2 (ja) |
CN (1) | CN104345425B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104765220B (zh) * | 2015-04-25 | 2017-08-25 | 哈尔滨工业大学 | 一种基于空间可展收套筒式二元光学相机机构 |
JP6789734B2 (ja) | 2016-09-06 | 2020-11-25 | キヤノン株式会社 | 像ブレ補正装置、レンズ装置、および、撮像装置 |
US11150732B2 (en) | 2018-06-25 | 2021-10-19 | Canon Kabushiki Kaisha | Image pickup apparatus having vibration device |
JP7155036B2 (ja) * | 2019-02-18 | 2022-10-18 | キヤノン株式会社 | レンズ装置及び撮像装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4348205B2 (ja) * | 2003-02-05 | 2009-10-21 | Hoya株式会社 | レンズ鏡筒 |
US6963455B2 (en) * | 2003-02-05 | 2005-11-08 | Pentax Corporation | Lens barrel |
JP2005128116A (ja) * | 2003-10-22 | 2005-05-19 | Seiko Precision Inc | 光学モジュール |
JP4587744B2 (ja) * | 2004-08-30 | 2010-11-24 | 日本電産コパル株式会社 | レンズ駆動装置 |
US7965933B2 (en) * | 2007-11-09 | 2011-06-21 | Hoya Corporation | Mechanism for controlling position of optical element |
JP4487215B2 (ja) * | 2008-01-18 | 2010-06-23 | ソニー株式会社 | レンズ鏡筒および撮像装置 |
JP5483842B2 (ja) | 2008-08-06 | 2014-05-07 | キヤノン株式会社 | 撮像装置 |
JP5515321B2 (ja) * | 2009-02-24 | 2014-06-11 | コニカミノルタ株式会社 | レンズユニットおよびそれを用いる撮像装置 |
JP5489642B2 (ja) | 2009-10-26 | 2014-05-14 | キヤノン株式会社 | レンズ鏡筒及び撮像装置 |
JP2011158792A (ja) * | 2010-02-03 | 2011-08-18 | Canon Inc | 撮像装置 |
JP5566163B2 (ja) | 2010-03-31 | 2014-08-06 | キヤノン株式会社 | レンズ鏡筒及び撮像装置 |
JP2012083633A (ja) * | 2010-10-14 | 2012-04-26 | Ricoh Co Ltd | レンズ鏡胴 |
WO2013102993A1 (ja) * | 2012-01-06 | 2013-07-11 | パナソニック株式会社 | レンズ鏡筒 |
-
2013
- 2013-08-08 JP JP2013164756A patent/JP6270370B2/ja active Active
-
2014
- 2014-07-25 US US14/340,965 patent/US9348110B2/en active Active
- 2014-08-08 CN CN201410389403.XA patent/CN104345425B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20150043089A1 (en) | 2015-02-12 |
CN104345425A (zh) | 2015-02-11 |
US9348110B2 (en) | 2016-05-24 |
JP2015034857A (ja) | 2015-02-19 |
CN104345425B (zh) | 2017-01-11 |
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