CN115176188A - 光学系统、图像投影装置以及摄像装置 - Google Patents

光学系统、图像投影装置以及摄像装置 Download PDF

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Publication number
CN115176188A
CN115176188A CN202080097408.9A CN202080097408A CN115176188A CN 115176188 A CN115176188 A CN 115176188A CN 202080097408 A CN202080097408 A CN 202080097408A CN 115176188 A CN115176188 A CN 115176188A
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CN
China
Prior art keywords
optical system
lens
magnifying
lens element
group
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Pending
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CN202080097408.9A
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English (en)
Chinese (zh)
Inventor
今冈卓也
赵庆华
山田克
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Publication of CN115176188A publication Critical patent/CN115176188A/zh
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/22Optical 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 with movable lens means specially adapted for focusing at close distances
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/16Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/0095Relay lenses or rod lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/146Optical 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 more than five groups
    • G02B15/1461Optical 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 more than five groups the first group being positive

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
CN202080097408.9A 2020-02-27 2020-11-18 光学系统、图像投影装置以及摄像装置 Pending CN115176188A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-032016 2020-02-27
JP2020032016 2020-02-27
PCT/JP2020/042935 WO2021171713A1 (ja) 2020-02-27 2020-11-18 光学系、画像投写装置および撮像装置

Publications (1)

Publication Number Publication Date
CN115176188A true CN115176188A (zh) 2022-10-11

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ID=77490158

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080097408.9A Pending CN115176188A (zh) 2020-02-27 2020-11-18 光学系统、图像投影装置以及摄像装置

Country Status (4)

Country Link
US (1) US12422655B2 (https=)
JP (1) JP7664544B2 (https=)
CN (1) CN115176188A (https=)
WO (1) WO2021171713A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101071197A (zh) * 2006-05-10 2007-11-14 富士能株式会社 投影用变焦透镜及投射型显示装置
US20100128234A1 (en) * 2008-11-21 2010-05-27 Jun Nishikawa Projection image display device and projection optical system
US20150103403A1 (en) * 2013-10-10 2015-04-16 Kazuhiro Oe Zoom lens system and imaging apparatus
CN207636837U (zh) * 2016-08-30 2018-07-20 富士胶片株式会社 变焦透镜、投射型显示装置及摄像装置
US20180284408A1 (en) * 2017-03-29 2018-10-04 Panasonic Intellectual Property Management Co, Ltd Lens system, and image projection apparatus and imaging apparatus that include the same
WO2019124083A1 (ja) * 2017-12-19 2019-06-27 パナソニックIpマネジメント株式会社 投写レンズ系及び画像投写装置
CN110208929A (zh) * 2018-02-28 2019-09-06 富士胶片株式会社 广角镜头、投射镜头、中继镜头、投射型显示装置及中继镜头单元

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008090200A (ja) * 2006-10-05 2008-04-17 Sony Corp ズームレンズおよび投射型画像表示装置
JP6578662B2 (ja) * 2015-02-05 2019-09-25 コニカミノルタ株式会社 投影光学系及びプロジェクター
JP2018036390A (ja) * 2016-08-30 2018-03-08 富士フイルム株式会社 広角レンズ、投写型表示装置、および、撮像装置
JP6712932B2 (ja) * 2016-08-30 2020-06-24 富士フイルム株式会社 ズームレンズ、投写型表示装置、および、撮像装置
JP7019961B2 (ja) * 2017-04-20 2022-02-16 コニカミノルタ株式会社 投影光学系及び投影装置
JP6939469B2 (ja) * 2017-11-27 2021-09-22 セイコーエプソン株式会社 投写光学系および投写型画像表示装置
JP6858153B2 (ja) 2018-03-28 2021-04-14 富士フイルム株式会社 結像光学系、投写型表示装置、および撮像装置
JP6791322B2 (ja) * 2019-08-27 2020-11-25 コニカミノルタ株式会社 投影光学系及びプロジェクター
JP2021076771A (ja) * 2019-11-12 2021-05-20 キヤノン株式会社 結像光学系およびそれを有する画像投影装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101071197A (zh) * 2006-05-10 2007-11-14 富士能株式会社 投影用变焦透镜及投射型显示装置
US20100128234A1 (en) * 2008-11-21 2010-05-27 Jun Nishikawa Projection image display device and projection optical system
US20150103403A1 (en) * 2013-10-10 2015-04-16 Kazuhiro Oe Zoom lens system and imaging apparatus
CN207636837U (zh) * 2016-08-30 2018-07-20 富士胶片株式会社 变焦透镜、投射型显示装置及摄像装置
US20180284408A1 (en) * 2017-03-29 2018-10-04 Panasonic Intellectual Property Management Co, Ltd Lens system, and image projection apparatus and imaging apparatus that include the same
WO2019124083A1 (ja) * 2017-12-19 2019-06-27 パナソニックIpマネジメント株式会社 投写レンズ系及び画像投写装置
CN110208929A (zh) * 2018-02-28 2019-09-06 富士胶片株式会社 广角镜头、投射镜头、中继镜头、投射型显示装置及中继镜头单元

Also Published As

Publication number Publication date
WO2021171713A1 (ja) 2021-09-02
JP7664544B2 (ja) 2025-04-18
JPWO2021171713A1 (https=) 2021-09-02
US20220397749A1 (en) 2022-12-15
US12422655B2 (en) 2025-09-23

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