JP6750883B2 - レンズ鏡筒および光学機器 - Google Patents

レンズ鏡筒および光学機器 Download PDF

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Publication number
JP6750883B2
JP6750883B2 JP2017107524A JP2017107524A JP6750883B2 JP 6750883 B2 JP6750883 B2 JP 6750883B2 JP 2017107524 A JP2017107524 A JP 2017107524A JP 2017107524 A JP2017107524 A JP 2017107524A JP 6750883 B2 JP6750883 B2 JP 6750883B2
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JP
Japan
Prior art keywords
barrel
cam
lens
groove
cam groove
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
Application number
JP2017107524A
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English (en)
Japanese (ja)
Other versions
JP2018205388A (ja
JP2018205388A5 (enExample
Inventor
智基 長谷川
智基 長谷川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017107524A priority Critical patent/JP6750883B2/ja
Priority to US15/992,796 priority patent/US10641985B2/en
Publication of JP2018205388A publication Critical patent/JP2018205388A/ja
Publication of JP2018205388A5 publication Critical patent/JP2018205388A5/ja
Application granted granted Critical
Publication of JP6750883B2 publication Critical patent/JP6750883B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
    • 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
    • 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
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
JP2017107524A 2017-05-31 2017-05-31 レンズ鏡筒および光学機器 Active JP6750883B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017107524A JP6750883B2 (ja) 2017-05-31 2017-05-31 レンズ鏡筒および光学機器
US15/992,796 US10641985B2 (en) 2017-05-31 2018-05-30 Lens barrel and optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017107524A JP6750883B2 (ja) 2017-05-31 2017-05-31 レンズ鏡筒および光学機器

Publications (3)

Publication Number Publication Date
JP2018205388A JP2018205388A (ja) 2018-12-27
JP2018205388A5 JP2018205388A5 (enExample) 2019-05-30
JP6750883B2 true JP6750883B2 (ja) 2020-09-02

Family

ID=64459540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017107524A Active JP6750883B2 (ja) 2017-05-31 2017-05-31 レンズ鏡筒および光学機器

Country Status (2)

Country Link
US (1) US10641985B2 (enExample)
JP (1) JP6750883B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117055276B (zh) * 2023-08-29 2025-10-17 深圳市东正光学技术股份有限公司 镜头结构及相机

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032919A (en) 1989-08-21 1991-07-16 Vicon Industries, Inc. Video camera focusing system
JP3119043B2 (ja) 1993-07-28 2000-12-18 キヤノン株式会社 レンズ鏡筒
JP3765697B2 (ja) 1999-09-30 2006-04-12 富士写真フイルム株式会社 レンズ移動装置
US6381076B1 (en) * 2000-09-26 2002-04-30 Canon Kabushiki Kaisha Zoom lens barrel
JP4179410B2 (ja) 2002-10-30 2008-11-12 京セラ株式会社 ズームレンズ鏡胴
JP2006106241A (ja) 2004-10-04 2006-04-20 Mark:Kk ズーム鏡胴
JP4684613B2 (ja) 2004-10-14 2011-05-18 キヤノン株式会社 光学機器
US7835085B2 (en) * 2005-12-12 2010-11-16 Nikon Corporation Lens barrel and method of operation of lens barrel
JP2007206541A (ja) 2006-02-03 2007-08-16 Nikon Corp レンズ鏡筒
CN101271184B (zh) 2007-03-21 2010-07-14 亚洲光学股份有限公司 可强化冲击承受的筒件组及镜头
JP5369928B2 (ja) 2009-06-23 2013-12-18 リコーイメージング株式会社 レンズ鏡筒
JP5385029B2 (ja) * 2009-07-06 2014-01-08 パナソニック株式会社 カム枠、レンズ鏡筒、振れ補正装置および撮像素子ユニット
JP5882625B2 (ja) 2010-08-18 2016-03-09 キヤノン株式会社 レンズ鏡筒及び撮像装置
JP5963533B2 (ja) 2012-05-17 2016-08-03 キヤノン株式会社 レンズ鏡筒およびカメラシステム

Also Published As

Publication number Publication date
US10641985B2 (en) 2020-05-05
US20180348472A1 (en) 2018-12-06
JP2018205388A (ja) 2018-12-27

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