JPWO2021020308A1 - - Google Patents

Info

Publication number
JPWO2021020308A1
JPWO2021020308A1 JP2021537009A JP2021537009A JPWO2021020308A1 JP WO2021020308 A1 JPWO2021020308 A1 JP WO2021020308A1 JP 2021537009 A JP2021537009 A JP 2021537009A JP 2021537009 A JP2021537009 A JP 2021537009A JP WO2021020308 A1 JPWO2021020308 A1 JP WO2021020308A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021537009A
Other versions
JP7220793B2 (ja
JPWO2021020308A5 (ja
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 filed Critical
Publication of JPWO2021020308A1 publication Critical patent/JPWO2021020308A1/ja
Publication of JPWO2021020308A5 publication Critical patent/JPWO2021020308A5/ja
Application granted granted Critical
Publication of JP7220793B2 publication Critical patent/JP7220793B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • 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
    • 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
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
JP2021537009A 2019-07-29 2020-07-22 投射レンズ及び投射装置 Active JP7220793B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019138863 2019-07-29
JP2019138863 2019-07-29
PCT/JP2020/028577 WO2021020308A1 (ja) 2019-07-29 2020-07-22 投射レンズ及び投射装置

Publications (3)

Publication Number Publication Date
JPWO2021020308A1 true JPWO2021020308A1 (ja) 2021-02-04
JPWO2021020308A5 JPWO2021020308A5 (ja) 2022-04-19
JP7220793B2 JP7220793B2 (ja) 2023-02-10

Family

ID=74230390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021537009A Active JP7220793B2 (ja) 2019-07-29 2020-07-22 投射レンズ及び投射装置

Country Status (2)

Country Link
JP (1) JP7220793B2 (ja)
WO (1) WO2021020308A1 (ja)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0519346A (ja) * 1991-06-18 1993-01-29 Matsushita Electric Ind Co Ltd 投写型画像表示装置
JP2003149736A (ja) * 2001-11-16 2003-05-21 Kyocera Corp プロジェクタ−
JP2011053316A (ja) * 2009-08-31 2011-03-17 Funai Electric Co Ltd 投射型表示装置
JP2017215419A (ja) * 2016-05-31 2017-12-07 セイコーエプソン株式会社 投射光学系およびプロジェクター
WO2018016309A1 (ja) * 2016-07-21 2018-01-25 富士フイルム株式会社 投写レンズ及びプロジェクタ
WO2018055964A1 (ja) * 2016-09-23 2018-03-29 富士フイルム株式会社 投射レンズ及びプロジェクタ
WO2018055963A1 (ja) * 2016-09-23 2018-03-29 富士フイルム株式会社 投射レンズ及びプロジェクタ
WO2019107482A1 (ja) * 2017-11-30 2019-06-06 富士フイルム株式会社 プロジェクタ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0519346A (ja) * 1991-06-18 1993-01-29 Matsushita Electric Ind Co Ltd 投写型画像表示装置
JP2003149736A (ja) * 2001-11-16 2003-05-21 Kyocera Corp プロジェクタ−
JP2011053316A (ja) * 2009-08-31 2011-03-17 Funai Electric Co Ltd 投射型表示装置
JP2017215419A (ja) * 2016-05-31 2017-12-07 セイコーエプソン株式会社 投射光学系およびプロジェクター
WO2018016309A1 (ja) * 2016-07-21 2018-01-25 富士フイルム株式会社 投写レンズ及びプロジェクタ
WO2018055964A1 (ja) * 2016-09-23 2018-03-29 富士フイルム株式会社 投射レンズ及びプロジェクタ
WO2018055963A1 (ja) * 2016-09-23 2018-03-29 富士フイルム株式会社 投射レンズ及びプロジェクタ
WO2019107482A1 (ja) * 2017-11-30 2019-06-06 富士フイルム株式会社 プロジェクタ

Also Published As

Publication number Publication date
WO2021020308A1 (ja) 2021-02-04
JP7220793B2 (ja) 2023-02-10

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