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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- optical system
- lens
- magnifying
- lens element
- group
- 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.)
- Pending
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Images
Classifications
-
- 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
- G02B15/22—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 movable lens means specially adapted for focusing at close distances
-
- 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/0095—Relay lenses or rod lenses
-
- 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
-
- 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
- G02B15/146—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 more than five groups
- G02B15/1461—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 more than five groups the first group being positive
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
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 |
Family
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)
| 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)
| 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 |
-
2020
- 2020-11-18 WO PCT/JP2020/042935 patent/WO2021171713A1/ja not_active Ceased
- 2020-11-18 CN CN202080097408.9A patent/CN115176188A/zh active Pending
- 2020-11-18 JP JP2022503093A patent/JP7664544B2/ja active Active
-
2022
- 2022-08-22 US US17/821,231 patent/US12422655B2/en active Active
Patent Citations (7)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |