JP2024121179A - リレー光学系、およびプロジェクター - Google Patents

リレー光学系、およびプロジェクター Download PDF

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Publication number
JP2024121179A
JP2024121179A JP2023028140A JP2023028140A JP2024121179A JP 2024121179 A JP2024121179 A JP 2024121179A JP 2023028140 A JP2023028140 A JP 2023028140A JP 2023028140 A JP2023028140 A JP 2023028140A JP 2024121179 A JP2024121179 A JP 2024121179A
Authority
JP
Japan
Prior art keywords
optical system
light
lens
lens group
enlargement
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
Application number
JP2023028140A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024121179A5 (cg-RX-API-DMAC7.html
Inventor
栄時 守国
Hidetoki Morikuni
加奈 秦野
kana Hatano
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2023028140A priority Critical patent/JP2024121179A/ja
Priority to US18/586,811 priority patent/US12699250B2/en
Publication of JP2024121179A publication Critical patent/JP2024121179A/ja
Publication of JP2024121179A5 publication Critical patent/JP2024121179A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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
    • G02B13/22—Telecentric objectives or lens systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/24—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + two of the components having compound lenses
    • G02B9/26—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + two of the components having compound lenses the front and rear components having compound 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
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
JP2023028140A 2023-02-27 2023-02-27 リレー光学系、およびプロジェクター Pending JP2024121179A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023028140A JP2024121179A (ja) 2023-02-27 2023-02-27 リレー光学系、およびプロジェクター
US18/586,811 US12699250B2 (en) 2023-02-27 2024-02-26 Relay system and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023028140A JP2024121179A (ja) 2023-02-27 2023-02-27 リレー光学系、およびプロジェクター

Publications (2)

Publication Number Publication Date
JP2024121179A true JP2024121179A (ja) 2024-09-06
JP2024121179A5 JP2024121179A5 (cg-RX-API-DMAC7.html) 2025-11-21

Family

ID=92461458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023028140A Pending JP2024121179A (ja) 2023-02-27 2023-02-27 リレー光学系、およびプロジェクター

Country Status (2)

Country Link
US (1) US12699250B2 (cg-RX-API-DMAC7.html)
JP (1) JP2024121179A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024121173A (ja) * 2023-02-27 2024-09-06 セイコーエプソン株式会社 プロジェクター

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4734827B2 (ja) 2003-11-28 2011-07-27 株式会社日立製作所 投写光学ユニット
JP2005345767A (ja) 2004-06-03 2005-12-15 Seiko Epson Corp プロジェクタ
JP2006330410A (ja) 2005-05-27 2006-12-07 Hitachi Ltd 投写光学ユニット及びそれを用いた投写型映像表示装置
US7911716B1 (en) * 2010-05-14 2011-03-22 Young Optics Inc. Lens module
JP2015145934A (ja) * 2014-02-03 2015-08-13 セイコーエプソン株式会社 プロジェクター
CN108463759B (zh) * 2016-01-19 2020-12-25 麦克赛尔株式会社 投影型影像显示装置
CN107450166A (zh) * 2016-06-01 2017-12-08 精工爱普生株式会社 投射光学系统和投射型图像显示装置
JP6745775B2 (ja) * 2017-09-28 2020-08-26 富士フイルム株式会社 結像光学系、投写型表示装置、及び撮像装置
JP2022038106A (ja) 2020-08-26 2022-03-10 セイコーエプソン株式会社 電気光学装置、及び電子機器
JP2023037782A (ja) 2021-09-06 2023-03-16 セイコーエプソン株式会社 プロジェクター
JP2023147351A (ja) * 2022-03-30 2023-10-13 セイコーエプソン株式会社 投写光学系、およびプロジェクター

Also Published As

Publication number Publication date
US12699250B2 (en) 2026-08-04
US20240288662A1 (en) 2024-08-29

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Effective date: 20251113

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