CN114902105B - 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

Info

Publication number
CN114902105B
CN114902105B CN202080090702.7A CN202080090702A CN114902105B CN 114902105 B CN114902105 B CN 114902105B CN 202080090702 A CN202080090702 A CN 202080090702A CN 114902105 B CN114902105 B CN 114902105B
Authority
CN
China
Prior art keywords
lens
optical system
lens element
elements
magnifying
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
CN202080090702.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN114902105A (zh
Inventor
赵庆华
今冈卓也
山田克
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of CN114902105A publication Critical patent/CN114902105A/zh
Application granted granted Critical
Publication of CN114902105B publication Critical patent/CN114902105B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G02B15/144Optical 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 four groups only
    • G02B15/1441Optical 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 four groups only the first group being positive
    • G02B15/144111Optical 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 four groups only the first group being positive arranged ++-+
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/16Cooling; Preventing overheating
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B5/00Adjustment of optical system relative to image or object surface other than for focusing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/55Optical parts specially adapted for electronic image sensors; Mounting thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN202080090702.7A 2020-01-30 2020-11-18 光学系统、图像投影装置以及摄像装置 Active CN114902105B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-013668 2020-01-30
JP2020013668 2020-01-30
PCT/JP2020/042917 WO2021152968A1 (ja) 2020-01-30 2020-11-18 光学系、画像投写装置および撮像装置

Publications (2)

Publication Number Publication Date
CN114902105A CN114902105A (zh) 2022-08-12
CN114902105B true CN114902105B (zh) 2025-11-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080090702.7A Active CN114902105B (zh) 2020-01-30 2020-11-18 光学系统、图像投影装置以及摄像装置

Country Status (3)

Country Link
JP (1) JP7542207B2 (https=)
CN (1) CN114902105B (https=)
WO (1) WO2021152968A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119452287A (zh) * 2022-06-16 2025-02-14 松下知识产权经营株式会社 光学系统、图像投影装置以及摄像装置
CN115437125B (zh) * 2022-08-22 2024-03-15 福建福光股份有限公司 光阑前置的超广角光学系统及其成像方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018169609A (ja) * 2017-03-29 2018-11-01 パナソニックIpマネジメント株式会社 レンズ系、レンズ系を有する画像投写装置及び撮像装置
CN208818913U (zh) * 2017-09-25 2019-05-03 富士胶片株式会社 成像镜头及光学装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397451A (en) * 1977-02-04 1978-08-25 Minolta Camera Co Ltd Zoom lens system
JP4838557B2 (ja) * 2005-09-12 2011-12-14 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP5189451B2 (ja) * 2008-09-30 2013-04-24 リコー光学株式会社 投射用レンズおよび投射型画像表示装置
JP5289922B2 (ja) * 2008-12-12 2013-09-11 オリンパス株式会社 結像光学系及びそれを有する電子撮像装置
JP6422836B2 (ja) * 2015-09-18 2018-11-14 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6647708B2 (ja) * 2015-11-13 2020-02-14 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP2018097047A (ja) * 2016-12-09 2018-06-21 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
JP2018084668A (ja) * 2016-11-24 2018-05-31 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6830470B2 (ja) * 2017-11-22 2021-02-17 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018169609A (ja) * 2017-03-29 2018-11-01 パナソニックIpマネジメント株式会社 レンズ系、レンズ系を有する画像投写装置及び撮像装置
CN208818913U (zh) * 2017-09-25 2019-05-03 富士胶片株式会社 成像镜头及光学装置

Also Published As

Publication number Publication date
JP7542207B2 (ja) 2024-08-30
US20220283412A1 (en) 2022-09-08
JPWO2021152968A1 (https=) 2021-08-05
WO2021152968A1 (ja) 2021-08-05
CN114902105A (zh) 2022-08-12

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