JP7542207B2 - 光学系、画像投写装置および撮像装置 - Google Patents

光学系、画像投写装置および撮像装置 Download PDF

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Publication number
JP7542207B2
JP7542207B2 JP2021574479A JP2021574479A JP7542207B2 JP 7542207 B2 JP7542207 B2 JP 7542207B2 JP 2021574479 A JP2021574479 A JP 2021574479A JP 2021574479 A JP2021574479 A JP 2021574479A JP 7542207 B2 JP7542207 B2 JP 7542207B2
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Japan
Prior art keywords
lens
optical system
lens element
focal length
reduction side
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JP2021574479A
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Japanese (ja)
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JPWO2021152968A5 (https=
JPWO2021152968A1 (https=
Inventor
慶華 趙
卓也 今岡
克 山田
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical 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
    • 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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144111—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 four groups only the first group being positive arranged ++-+
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

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  • 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)
JP2021574479A 2020-01-30 2020-11-18 光学系、画像投写装置および撮像装置 Active JP7542207B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020013668 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 (3)

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JPWO2021152968A1 JPWO2021152968A1 (https=) 2021-08-05
JPWO2021152968A5 JPWO2021152968A5 (https=) 2023-11-01
JP7542207B2 true JP7542207B2 (ja) 2024-08-30

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JP2021574479A Active JP7542207B2 (ja) 2020-01-30 2020-11-18 光学系、画像投写装置および撮像装置

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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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2019095684A (ja) 2017-11-27 2019-06-20 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
JP2019095789A (ja) 2017-11-22 2019-06-20 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

Family Cites Families (9)

* 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
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
JP7045611B2 (ja) * 2017-03-29 2022-04-01 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
JP2019060971A (ja) * 2017-09-25 2019-04-18 富士フイルム株式会社 結像レンズおよび光学装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2019095789A (ja) 2017-11-22 2019-06-20 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
JP2019095684A (ja) 2017-11-27 2019-06-20 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

Also Published As

Publication number Publication date
CN114902105B (zh) 2025-11-04
US20220283412A1 (en) 2022-09-08
JPWO2021152968A1 (https=) 2021-08-05
WO2021152968A1 (ja) 2021-08-05
CN114902105A (zh) 2022-08-12

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