JP2020112660A - プロジェクション装置およびプログラム - Google Patents

プロジェクション装置およびプログラム Download PDF

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Publication number
JP2020112660A
JP2020112660A JP2019002724A JP2019002724A JP2020112660A JP 2020112660 A JP2020112660 A JP 2020112660A JP 2019002724 A JP2019002724 A JP 2019002724A JP 2019002724 A JP2019002724 A JP 2019002724A JP 2020112660 A JP2020112660 A JP 2020112660A
Authority
JP
Japan
Prior art keywords
focus
projection
optical system
projection optical
projection device
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
JP2019002724A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020112660A5 (enExample
Inventor
敦 狩野
Atsushi Kano
敦 狩野
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2019002724A priority Critical patent/JP2020112660A/ja
Priority to US16/733,382 priority patent/US11249381B2/en
Publication of JP2020112660A publication Critical patent/JP2020112660A/ja
Publication of JP2020112660A5 publication Critical patent/JP2020112660A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G03B21/147—Optical correction of image distortions, e.g. keystone
    • 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
    • G03B21/142—Adjusting of projection optics
    • 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
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP2019002724A 2019-01-10 2019-01-10 プロジェクション装置およびプログラム Pending JP2020112660A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019002724A JP2020112660A (ja) 2019-01-10 2019-01-10 プロジェクション装置およびプログラム
US16/733,382 US11249381B2 (en) 2019-01-10 2020-01-03 Projection apparatus and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019002724A JP2020112660A (ja) 2019-01-10 2019-01-10 プロジェクション装置およびプログラム

Publications (2)

Publication Number Publication Date
JP2020112660A true JP2020112660A (ja) 2020-07-27
JP2020112660A5 JP2020112660A5 (enExample) 2022-01-17

Family

ID=71516634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019002724A Pending JP2020112660A (ja) 2019-01-10 2019-01-10 プロジェクション装置およびプログラム

Country Status (2)

Country Link
US (1) US11249381B2 (enExample)
JP (1) JP2020112660A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022038144A (ja) * 2020-08-26 2022-03-10 株式会社コシナ 光学機器のレンズ装置
WO2022064932A1 (ja) * 2020-09-25 2022-03-31 富士フイルム株式会社 投写装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11320725B2 (en) * 2019-11-22 2022-05-03 Canon Kabushiki Kaisha Projection type display apparatus, projection type display system, control method of projection type display apparatus, and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011145580A (ja) * 2010-01-18 2011-07-28 Seiko Epson Corp プロジェクター
JP2013109186A (ja) * 2011-11-22 2013-06-06 Canon Inc 投射型表示装置
JP2016109963A (ja) * 2014-12-09 2016-06-20 株式会社リコー 画像投射装置及び焦点距離算出方法
JP2017187572A (ja) * 2016-04-04 2017-10-12 キヤノン株式会社 画像投射装置
JP2018063421A (ja) * 2016-10-11 2018-04-19 キヤノン株式会社 レンズ装置およびこれを用いた画像投射装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03196009A (ja) 1989-12-26 1991-08-27 Canon Inc 投写レンズ
JP2011242580A (ja) * 2010-05-18 2011-12-01 Olympus Corp 投影光学装置
RU2662487C1 (ru) * 2015-01-29 2018-07-26 Кэнон Кабусики Кайся Устройство линз и устройство проекции изображения
JP6602114B2 (ja) * 2015-09-01 2019-11-06 キヤノン株式会社 投射光学系、及びそれを用いた投射型画像表示装置
JP6702728B2 (ja) 2016-01-15 2020-06-03 キヤノン株式会社 投射光学系および投射型表示装置
JP2018101932A (ja) 2016-12-21 2018-06-28 キヤノン株式会社 プロジェクター
JP7080701B2 (ja) * 2018-04-10 2022-06-06 キヤノン株式会社 画像投射装置およびプログラム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011145580A (ja) * 2010-01-18 2011-07-28 Seiko Epson Corp プロジェクター
JP2013109186A (ja) * 2011-11-22 2013-06-06 Canon Inc 投射型表示装置
JP2016109963A (ja) * 2014-12-09 2016-06-20 株式会社リコー 画像投射装置及び焦点距離算出方法
JP2017187572A (ja) * 2016-04-04 2017-10-12 キヤノン株式会社 画像投射装置
JP2018063421A (ja) * 2016-10-11 2018-04-19 キヤノン株式会社 レンズ装置およびこれを用いた画像投射装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022038144A (ja) * 2020-08-26 2022-03-10 株式会社コシナ 光学機器のレンズ装置
WO2022064932A1 (ja) * 2020-09-25 2022-03-31 富士フイルム株式会社 投写装置
JPWO2022064932A1 (enExample) * 2020-09-25 2022-03-31
JP7408829B2 (ja) 2020-09-25 2024-01-05 富士フイルム株式会社 投写装置
US12422738B2 (en) 2020-09-25 2025-09-23 Fujifilm Corporation Projection apparatus

Also Published As

Publication number Publication date
US11249381B2 (en) 2022-02-15
US20200225567A1 (en) 2020-07-16

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