CN113495407B - 光学设备和投影仪 - Google Patents

光学设备和投影仪 Download PDF

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Publication number
CN113495407B
CN113495407B CN202110279418.0A CN202110279418A CN113495407B CN 113495407 B CN113495407 B CN 113495407B CN 202110279418 A CN202110279418 A CN 202110279418A CN 113495407 B CN113495407 B CN 113495407B
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China
Prior art keywords
cross
sectional shape
shaft portion
shaft
optical device
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CN202110279418.0A
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English (en)
Chinese (zh)
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CN113495407A (zh
Inventor
若林慎一
伊藤雅俊
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Seiko Epson Corp
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Seiko Epson Corp
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Publication of CN113495407A publication Critical patent/CN113495407A/zh
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • 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
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
    • 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
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3188—Scale or resolution adjustment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN202110279418.0A 2020-03-18 2021-03-16 光学设备和投影仪 Active CN113495407B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-047312 2020-03-18
JP2020047312A JP7415699B2 (ja) 2020-03-18 2020-03-18 光学デバイスおよびプロジェクター

Publications (2)

Publication Number Publication Date
CN113495407A CN113495407A (zh) 2021-10-12
CN113495407B true CN113495407B (zh) 2022-12-20

Family

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Family Applications (1)

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CN202110279418.0A Active CN113495407B (zh) 2020-03-18 2021-03-16 光学设备和投影仪

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Country Link
US (1) US11372237B2 (https=)
JP (1) JP7415699B2 (https=)
CN (1) CN113495407B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7400512B2 (ja) * 2020-02-06 2023-12-19 セイコーエプソン株式会社 プロジェクター
CN115524901B (zh) * 2021-06-24 2025-08-26 中强光电股份有限公司 致动器装置、投影装置以及投影方法
JP2024538770A (ja) * 2021-10-14 2024-10-23 ドルビー ラボラトリーズ ライセンシング コーポレイション 白色光照明を使用する光投影システム
US12468017B2 (en) * 2021-10-15 2025-11-11 Seyond, Inc. Integrated mirror motor galvanometer
JPWO2023188533A1 (https=) * 2022-03-30 2023-10-05
JP2024077869A (ja) 2022-11-29 2024-06-10 セイコーエプソン株式会社 プロジェクター

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006226453A (ja) * 2005-02-18 2006-08-31 Ntn Corp ブーツ付き等速自在継手
CN102162918A (zh) * 2010-02-23 2011-08-24 精工爱普生株式会社 图像形成装置
CN102401997A (zh) * 2010-09-10 2012-04-04 精工爱普生株式会社 光扫描仪、光扫描仪的制造方法以及图像形成装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5604638A (en) * 1993-12-01 1997-02-18 Asahi Kogaku Kogyo Kabushiki Kaisha Anti-reflection structure for zoom lens barrel
JP2002321196A (ja) 2001-02-22 2002-11-05 Canon Inc マイクロ構造体、マイクロ力学量センサ、マイクロアクチュエータ、マイクロ光偏向器、光走査型ディスプレイ、及びそれらの製造方法
JP2005092174A (ja) 2003-08-12 2005-04-07 Fujitsu Ltd マイクロ揺動素子
JP2006235582A (ja) * 2005-02-25 2006-09-07 Samsung Electro-Mechanics Co Ltd チルティング部材とこれを有するアクチュエータ
JP5084121B2 (ja) 2005-09-09 2012-11-28 日本信号株式会社 アクチュエータ
JP5084385B2 (ja) 2007-07-20 2012-11-28 キヤノン株式会社 ねじりバネ、光偏向器及びそれを用いた画像形成装置
JP2013190669A (ja) 2012-03-14 2013-09-26 Mitsubishi Electric Corp ガルバノスキャナ及びレーザ加工機
JP6455080B2 (ja) 2014-10-31 2019-01-23 セイコーエプソン株式会社 光学デバイスおよび画像表示装置
JP2017016106A (ja) 2015-07-03 2017-01-19 パナソニックＩｐマネジメント株式会社 光路変更装置及び投写型映像表示装置
JP6784125B2 (ja) 2016-09-30 2020-11-11 セイコーエプソン株式会社 光学デバイスユニットおよび画像表示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006226453A (ja) * 2005-02-18 2006-08-31 Ntn Corp ブーツ付き等速自在継手
CN102162918A (zh) * 2010-02-23 2011-08-24 精工爱普生株式会社 图像形成装置
CN102401997A (zh) * 2010-09-10 2012-04-04 精工爱普生株式会社 光扫描仪、光扫描仪的制造方法以及图像形成装置

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Publication number Publication date
US20210294094A1 (en) 2021-09-23
US11372237B2 (en) 2022-06-28
JP2021148890A (ja) 2021-09-27
CN113495407A (zh) 2021-10-12
JP7415699B2 (ja) 2024-01-17

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