CN102998887B - 图像投影装置 - Google Patents

图像投影装置 Download PDF

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Publication number
CN102998887B
CN102998887B CN201210430486.3A CN201210430486A CN102998887B CN 102998887 B CN102998887 B CN 102998887B CN 201210430486 A CN201210430486 A CN 201210430486A CN 102998887 B CN102998887 B CN 102998887B
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CN
China
Prior art keywords
image
optical system
light source
light
mirror
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.)
Active
Application number
CN201210430486.3A
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English (en)
Chinese (zh)
Other versions
CN102998887A (zh
Inventor
藤冈哲弥
山田正道
月冈誉唯
石川直行
金井秀雄
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of CN102998887A publication Critical patent/CN102998887A/zh
Application granted granted Critical
Publication of CN102998887B publication Critical patent/CN102998887B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G03B21/28—Reflectors in projection beam
    • 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
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN201210430486.3A 2011-09-16 2012-09-13 图像投影装置 Active CN102998887B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011203430A JP5669020B2 (ja) 2011-09-16 2011-09-16 画像投影装置
JP2011-203430 2011-09-16

Publications (2)

Publication Number Publication Date
CN102998887A CN102998887A (zh) 2013-03-27
CN102998887B true CN102998887B (zh) 2015-06-17

Family

ID=47048957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210430486.3A Active CN102998887B (zh) 2011-09-16 2012-09-13 图像投影装置

Country Status (4)

Country Link
US (2) US8985786B2 (enExample)
EP (1) EP2570851B1 (enExample)
JP (1) JP5669020B2 (enExample)
CN (1) CN102998887B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5945900B2 (ja) 2011-11-04 2016-07-05 株式会社リコー 画像投影装置
JP5950179B2 (ja) * 2011-11-04 2016-07-13 株式会社リコー 画像投影装置
JP6086286B2 (ja) 2012-08-23 2017-03-01 株式会社リコー 画像投影装置
JP6368988B2 (ja) 2013-05-20 2018-08-08 株式会社リコー 投射光学系および画像表示装置
JP5963057B2 (ja) * 2013-07-26 2016-08-03 株式会社リコー 投射光学系および画像投射装置
JP2015094860A (ja) * 2013-11-12 2015-05-18 株式会社リコー 照明光源装置および画像投影装置
JP2015092264A (ja) * 2014-12-22 2015-05-14 株式会社リコー 画像投影装置および光学ユニット
USD774587S1 (en) * 2014-12-24 2016-12-20 Sony Corporation Projector
US10197233B2 (en) * 2014-12-26 2019-02-05 Maxell, Ltd. Illumination device
JP6578790B2 (ja) 2015-07-30 2019-09-25 株式会社リコー 反射ミラーの保持構造、投影光学系ユニット、光学エンジン及び画像投影装置
JP2017032713A (ja) 2015-07-30 2017-02-09 株式会社リコー 投影レンズユニット、光学エンジン及び画像投影装置
EP3343264A4 (en) * 2016-07-04 2018-11-14 Panasonic Intellectual Property Management Co., Ltd. Projection optical system and image projection device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201222159Y (zh) * 2008-06-17 2009-04-15 上海沪江虚拟制造技术有限公司 背投装置

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644030A (en) * 1968-07-12 1972-02-22 Ricoh Kk Light source system
JP3257067B2 (ja) * 1992-03-24 2002-02-18 ソニー株式会社 液晶プロジェクタ
JP3318904B2 (ja) * 1993-07-14 2002-08-26 テキサス インスツルメンツ インコーポレイテツド プロジエクタ装置
US5605390A (en) 1996-01-25 1997-02-25 Sarif, Inc. Optical projector
JP3924054B2 (ja) 1997-10-20 2007-06-06 株式会社日立製作所 液晶プロジェクタ
JPH11281876A (ja) * 1998-03-27 1999-10-15 Fuji Photo Optical Co Ltd ミラー調整機構
JP3727543B2 (ja) * 2000-05-10 2005-12-14 三菱電機株式会社 画像表示装置
JP4210314B2 (ja) 2003-02-06 2009-01-14 株式会社リコー 投射光学系、拡大投射光学系、拡大投射装置及び画像投射装置
JP4223936B2 (ja) 2003-02-06 2009-02-12 株式会社リコー 投射光学系、拡大投射光学系、拡大投射装置及び画像投射装置
JP2005084576A (ja) 2003-09-11 2005-03-31 Canon Inc 表示装置
EP1724635B1 (en) * 2004-02-27 2011-06-22 Panasonic Corporation Video projector
KR100577425B1 (ko) 2004-05-08 2006-05-08 삼성전자주식회사 프로젝션 텔레비전
JP2005338325A (ja) 2004-05-26 2005-12-08 Nippon Seiki Co Ltd 表示装置
KR100667769B1 (ko) * 2004-08-10 2007-01-11 삼성전자주식회사 화상투사장치
JP4232742B2 (ja) * 2005-01-27 2009-03-04 セイコーエプソン株式会社 プロジェクタ
JP4677814B2 (ja) * 2005-03-31 2011-04-27 コニカミノルタオプト株式会社 投射型画像表示装置
JP2006285044A (ja) 2005-04-01 2006-10-19 Konica Minolta Opto Inc 投射型画像表示装置
JP2007025406A (ja) * 2005-07-19 2007-02-01 Sanyo Electric Co Ltd プロジェクタ装置
US7841728B2 (en) * 2005-10-20 2010-11-30 Seiko Epson Corporation Image display apparatus
JP2007183302A (ja) * 2005-12-29 2007-07-19 Sony Corp リアプロジェクションディスプレイ装置
JP2008096983A (ja) * 2006-09-15 2008-04-24 Ricoh Co Ltd 投射光学系及び画像投射装置
JP2008134432A (ja) 2006-11-28 2008-06-12 Funai Electric Co Ltd プロジェクタ
JP5125147B2 (ja) * 2007-02-27 2013-01-23 株式会社日立製作所 投射型表示装置
US7901092B2 (en) 2007-03-06 2011-03-08 Sanyo Elctric Co., Ltd Projection display device having a level difference correction section
JP4901595B2 (ja) 2007-03-06 2012-03-21 三洋電機株式会社 投写型表示装置
US8246176B2 (en) 2007-03-06 2012-08-21 Sanyo Electric Co., Ltd. Projection display device having an operation section for displacing a lens
US8096663B2 (en) 2007-03-06 2012-01-17 Sanyo Electric Co., Ltd. Projection display device and stand used for the projection display device
US7967453B2 (en) 2007-03-06 2011-06-28 Sanyo Electric Co., Ltd. Holding structure for holding a member in an external cabinet
JP2008216867A (ja) * 2007-03-07 2008-09-18 Sanyo Electric Co Ltd 投写型表示装置
JP4945314B2 (ja) * 2007-05-23 2012-06-06 三洋電機株式会社 投写型表示装置
US8128238B2 (en) * 2007-09-07 2012-03-06 Ricoh Company, Ltd. Projection optical system and image displaying apparatus
JP5332242B2 (ja) * 2008-03-11 2013-11-06 セイコーエプソン株式会社 プロジェクタ
CN102037403B (zh) * 2008-05-22 2013-03-13 三洋电机株式会社 投射型影像显示装置
JP4730434B2 (ja) * 2008-12-25 2011-07-20 日本ビクター株式会社 スクリーン組立体及び背面投射型映像表示装置
JP2010160232A (ja) * 2009-01-07 2010-07-22 Sanyo Electric Co Ltd 投写型映像表示装置
JP2010175907A (ja) * 2009-01-30 2010-08-12 Victor Co Of Japan Ltd 投射型表示装置及びその表示方法
JP2011203430A (ja) 2010-03-25 2011-10-13 Casio Computer Co Ltd レーザ光源装置、光源ユニット及びプロジェクタ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201222159Y (zh) * 2008-06-17 2009-04-15 上海沪江虚拟制造技术有限公司 背投装置

Also Published As

Publication number Publication date
US20150153637A1 (en) 2015-06-04
EP2570851A1 (en) 2013-03-20
US20130070216A1 (en) 2013-03-21
US8985786B2 (en) 2015-03-24
US9274409B2 (en) 2016-03-01
JP2013064866A (ja) 2013-04-11
JP5669020B2 (ja) 2015-02-12
EP2570851B1 (en) 2017-03-08
CN102998887A (zh) 2013-03-27

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