JPWO2020209343A1 - - Google Patents
Info
- Publication number
- JPWO2020209343A1 JPWO2020209343A1 JP2021513705A JP2021513705A JPWO2020209343A1 JP WO2020209343 A1 JPWO2020209343 A1 JP WO2020209343A1 JP 2021513705 A JP2021513705 A JP 2021513705A JP 2021513705 A JP2021513705 A JP 2021513705A JP WO2020209343 A1 JPWO2020209343 A1 JP WO2020209343A1
- 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
Links
Classifications
-
- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
-
- 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
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
-
- 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
- G03B21/28—Reflectors in projection beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019076497 | 2019-04-12 | ||
JP2019076497 | 2019-04-12 | ||
PCT/JP2020/016006 WO2020209343A1 (ja) | 2019-04-12 | 2020-04-09 | レンズ鏡筒及び画像投射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020209343A1 true JPWO2020209343A1 (ja) | 2020-10-15 |
JP7390365B2 JP7390365B2 (ja) | 2023-12-01 |
Family
ID=72751336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021513705A Active JP7390365B2 (ja) | 2019-04-12 | 2020-04-09 | レンズ鏡筒及び画像投射装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220057595A1 (ja) |
JP (1) | JP7390365B2 (ja) |
CN (1) | CN113661424B (ja) |
WO (1) | WO2020209343A1 (ja) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6118909A (ja) * | 1984-07-06 | 1986-01-27 | Canon Inc | 位置決め装置 |
JP2006010885A (ja) | 2004-06-24 | 2006-01-12 | Nidec Copal Corp | レンズ鏡胴 |
JP2008008955A (ja) * | 2006-06-27 | 2008-01-17 | Fujinon Corp | プロジェクタ |
JP2008191328A (ja) | 2007-02-02 | 2008-08-21 | Nikon Corp | 移動機構、光学機器、撮像装置 |
JP5312891B2 (ja) * | 2008-10-03 | 2013-10-09 | 三洋電機株式会社 | 屈折光学系及び投写型映像表示装置 |
JP6476902B2 (ja) * | 2014-07-16 | 2019-03-06 | セイコーエプソン株式会社 | プロジェクター |
JP6528562B2 (ja) * | 2015-01-27 | 2019-06-12 | セイコーエプソン株式会社 | 投写光学装置、およびプロジェクター |
JP6540044B2 (ja) * | 2015-01-27 | 2019-07-10 | セイコーエプソン株式会社 | 投写光学装置およびプロジェクター |
US9690176B2 (en) * | 2015-01-27 | 2017-06-27 | Seiko Epson Corporation | Projection optical apparatus and projector |
RU2662487C1 (ru) * | 2015-01-29 | 2018-07-26 | Кэнон Кабусики Кайся | Устройство линз и устройство проекции изображения |
KR20180026181A (ko) * | 2016-09-02 | 2018-03-12 | 엘지전자 주식회사 | 프로젝터 |
JP6925525B2 (ja) * | 2018-06-04 | 2021-08-25 | 三菱電機株式会社 | 照明装置 |
CN112368622B (zh) * | 2018-06-28 | 2022-10-04 | 株式会社尼康 | 透镜镜筒 |
-
2020
- 2020-04-09 US US17/437,491 patent/US20220057595A1/en active Pending
- 2020-04-09 JP JP2021513705A patent/JP7390365B2/ja active Active
- 2020-04-09 WO PCT/JP2020/016006 patent/WO2020209343A1/ja active Application Filing
- 2020-04-09 CN CN202080027892.8A patent/CN113661424B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN113661424B (zh) | 2023-08-22 |
CN113661424A (zh) | 2021-11-16 |
JP7390365B2 (ja) | 2023-12-01 |
US20220057595A1 (en) | 2022-02-24 |
WO2020209343A1 (ja) | 2020-10-15 |
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