JP6785255B2 - 映写レンズ - Google Patents

映写レンズ Download PDF

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Publication number
JP6785255B2
JP6785255B2 JP2018010080A JP2018010080A JP6785255B2 JP 6785255 B2 JP6785255 B2 JP 6785255B2 JP 2018010080 A JP2018010080 A JP 2018010080A JP 2018010080 A JP2018010080 A JP 2018010080A JP 6785255 B2 JP6785255 B2 JP 6785255B2
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JP
Japan
Prior art keywords
lens
projection
image source
unit
lens unit
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JP2018010080A
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English (en)
Japanese (ja)
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JP2018194816A (ja
Inventor
嘉鴻 孫
嘉鴻 孫
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.)
Asia Optical Co Inc
Original Assignee
Asia Optical Co Inc
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Application filed by Asia Optical Co Inc filed Critical Asia Optical Co Inc
Publication of JP2018194816A publication Critical patent/JP2018194816A/ja
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Publication of JP6785255B2 publication Critical patent/JP6785255B2/ja
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    • 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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2018010080A 2017-05-19 2018-01-24 映写レンズ Active JP6785255B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710356353.9 2017-05-19
CN201710356353.9A CN108957713B (zh) 2017-05-19 2017-05-19 投影镜头

Publications (2)

Publication Number Publication Date
JP2018194816A JP2018194816A (ja) 2018-12-06
JP6785255B2 true JP6785255B2 (ja) 2020-11-18

Family

ID=64462157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018010080A Active JP6785255B2 (ja) 2017-05-19 2018-01-24 映写レンズ

Country Status (2)

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JP (1) JP6785255B2 (zh)
CN (1) CN108957713B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112147753B (zh) * 2019-06-28 2022-07-19 上旸光学股份有限公司 投影系统
CN112630936B (zh) * 2020-12-28 2024-08-23 厦门力鼎光电股份有限公司 一种用于无人机探测的成像镜头
CN114002821B (zh) * 2021-12-03 2023-07-04 江西晶超光学有限公司 光学镜头、摄像模组、电子设备及汽车
CN116560168A (zh) * 2022-01-27 2023-08-08 华为技术有限公司 投影镜头、投影设备及车辆

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4451516B2 (ja) * 1999-10-05 2010-04-14 リコー光学株式会社 投射用ズームレンズ
JP2001350094A (ja) * 2000-06-05 2001-12-21 Canon Inc 光学系、投射光学系及びそれを有する画像投影装置、撮像装置
JP2002055305A (ja) * 2000-08-07 2002-02-20 Canon Inc 色合成光学系、画像投写光学系および投写型画像表示装置
JP3524492B2 (ja) * 2000-12-15 2004-05-10 キヤノン株式会社 ズームレンズ及びそれを用いた投影装置
JP4380086B2 (ja) * 2001-05-23 2009-12-09 コニカミノルタオプト株式会社 ズームレンズ
JP4750318B2 (ja) * 2001-06-27 2011-08-17 リコー光学株式会社 投射用ズームレンズ
JP4750319B2 (ja) * 2001-06-29 2011-08-17 リコー光学株式会社 投射用ズームレンズ
JP4340430B2 (ja) * 2002-10-15 2009-10-07 リコー光学株式会社 投射用ズームレンズ
JP2005084352A (ja) * 2003-09-09 2005-03-31 Canon Inc レトロフォーカスズームレンズ
US7215477B2 (en) * 2004-03-10 2007-05-08 Canon Kabushiki Kaisha Zoom lens and image display apparatus including the zoom lens
JP4630568B2 (ja) * 2004-04-28 2011-02-09 キヤノン株式会社 光学系及びそれを有する光学機器
JP2007328163A (ja) * 2006-06-08 2007-12-20 Canon Inc ズームレンズ及びそれを有する画像投射装置
JP5287326B2 (ja) * 2009-02-16 2013-09-11 セイコーエプソン株式会社 投射用ズームレンズ及び投射型画像表示装置
JP5486415B2 (ja) * 2009-12-28 2014-05-07 富士フイルム株式会社 投写用ズームレンズおよび投写型表示装置
JP5701970B2 (ja) * 2011-02-24 2015-04-15 富士フイルム株式会社 投写用ズームレンズおよび投写型表示装置
CN204178042U (zh) * 2012-03-13 2015-02-25 富士胶片株式会社 投影用变焦透镜和投影型显示装置
JP6027453B2 (ja) * 2013-02-04 2016-11-16 リコー光学株式会社 投射用ズームレンズ

Also Published As

Publication number Publication date
CN108957713A (zh) 2018-12-07
CN108957713B (zh) 2021-04-27
JP2018194816A (ja) 2018-12-06

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