JPWO2022064932A1 - - Google Patents

Info

Publication number
JPWO2022064932A1
JPWO2022064932A1 JP2022551211A JP2022551211A JPWO2022064932A1 JP WO2022064932 A1 JPWO2022064932 A1 JP WO2022064932A1 JP 2022551211 A JP2022551211 A JP 2022551211A JP 2022551211 A JP2022551211 A JP 2022551211A JP WO2022064932 A1 JPWO2022064932 A1 JP WO2022064932A1
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
JP2022551211A
Other versions
JP7408829B2 (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 JPWO2022064932A1 publication Critical patent/JPWO2022064932A1/ja
Application granted granted Critical
Publication of JP7408829B2 publication Critical patent/JP7408829B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G03B21/142—Adjusting of projection optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • 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
    • G02B13/18—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
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • 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
    • 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
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2022551211A 2020-09-25 2021-08-24 投写装置 Active JP7408829B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020161154 2020-09-25
JP2020161154 2020-09-25
PCT/JP2021/030940 WO2022064932A1 (ja) 2020-09-25 2021-08-24 投写装置

Publications (2)

Publication Number Publication Date
JPWO2022064932A1 true JPWO2022064932A1 (ja) 2022-03-31
JP7408829B2 JP7408829B2 (ja) 2024-01-05

Family

ID=80845072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022551211A Active JP7408829B2 (ja) 2020-09-25 2021-08-24 投写装置

Country Status (4)

Country Link
US (1) US20230213845A1 (ja)
JP (1) JP7408829B2 (ja)
CN (1) CN220323624U (ja)
WO (1) WO2022064932A1 (ja)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009229807A (ja) * 2008-03-24 2009-10-08 Brother Ind Ltd プロジェクタ
JP6464568B2 (ja) * 2014-05-07 2019-02-06 ソニー株式会社 投射型画像表示装置及び投射型画像表示装置の制御方法
JP2020008804A (ja) * 2018-07-12 2020-01-16 キヤノン株式会社 画像投射装置
JP6621899B1 (ja) * 2018-11-13 2019-12-18 富士フイルム株式会社 投射装置
JP2020112660A (ja) * 2019-01-10 2020-07-27 キヤノン株式会社 プロジェクション装置およびプログラム

Also Published As

Publication number Publication date
WO2022064932A1 (ja) 2022-03-31
JP7408829B2 (ja) 2024-01-05
US20230213845A1 (en) 2023-07-06
CN220323624U (zh) 2024-01-09

Similar Documents

Publication Publication Date Title
BR112023005462A2 (ja)
JP1681042S (ja)
BR112023012656A2 (ja)
BR112022024743A2 (ja)
BR102021015500A2 (ja)
BR112022009896A2 (ja)
BR102020022030A2 (ja)
BR112023011738A2 (ja)
BR112023016292A2 (ja)
BR112023004146A2 (ja)
BR112023011539A2 (ja)
BR112023011610A2 (ja)
BR112023008976A2 (ja)
BR112023009656A2 (ja)
BR112023006729A2 (ja)
JPWO2022064932A1 (ja)
BR102021016551A2 (ja)
BR102021016375A2 (ja)
BR102021016176A2 (ja)
BR102021015566A2 (ja)
BR102021015450A8 (ja)
BR102021015220A2 (ja)
BR102021015247A2 (ja)
BR102021014044A2 (ja)
BR102021014056A2 (ja)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230310

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20231128

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231220

R150 Certificate of patent or registration of utility model

Ref document number: 7408829

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150