DE69503520T2 - Projektor mit mehrfacher lichtquelle - Google Patents

Projektor mit mehrfacher lichtquelle

Info

Publication number
DE69503520T2
DE69503520T2 DE69503520T DE69503520T DE69503520T2 DE 69503520 T2 DE69503520 T2 DE 69503520T2 DE 69503520 T DE69503520 T DE 69503520T DE 69503520 T DE69503520 T DE 69503520T DE 69503520 T2 DE69503520 T2 DE 69503520T2
Authority
DE
Germany
Prior art keywords
projector
light source
multiple light
source
light
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.)
Expired - Fee Related
Application number
DE69503520T
Other languages
English (en)
Other versions
DE69503520D1 (de
Inventor
John Dreyer
Robert Fesler
Dennis Vanderwerf
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69503520D1 publication Critical patent/DE69503520D1/de
Publication of DE69503520T2 publication Critical patent/DE69503520T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02B27/106—Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
    • 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
    • G02B27/143—Beam splitting or combining systems operating by reflection only using macroscopically faceted or segmented reflective surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • 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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S353/00—Optics: image projectors
    • Y10S353/03—Transparent

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
DE69503520T 1994-11-23 1995-10-10 Projektor mit mehrfacher lichtquelle Expired - Fee Related DE69503520T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/344,135 US5504544A (en) 1994-11-23 1994-11-23 Projector with multiple lamp light source
PCT/US1995/012896 WO1996016351A1 (en) 1994-11-23 1995-10-10 Projector with multiple lamp light source

Publications (2)

Publication Number Publication Date
DE69503520D1 DE69503520D1 (de) 1998-08-20
DE69503520T2 true DE69503520T2 (de) 1999-01-07

Family

ID=23349213

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69503520T Expired - Fee Related DE69503520T2 (de) 1994-11-23 1995-10-10 Projektor mit mehrfacher lichtquelle

Country Status (8)

Country Link
US (1) US5504544A (de)
EP (1) EP0793816B1 (de)
JP (1) JPH10509809A (de)
KR (1) KR970707468A (de)
CN (1) CN1058790C (de)
DE (1) DE69503520T2 (de)
ES (1) ES2118642T3 (de)
WO (1) WO1996016351A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09509263A (ja) * 1994-02-16 1997-09-16 ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー オーバーヘッドプロジェクタ用の両面に溝の付いたフレネルレンズ
US5665305A (en) * 1995-11-13 1997-09-09 Belliveau; Richard S. Lighting system with multiple beam shapes
US5995284A (en) * 1996-03-29 1999-11-30 3M Innovative Properties Company Polarized illumination system for LCD projector
US5921665A (en) * 1996-12-13 1999-07-13 Delta America Ltd. Projection illumination system for tricolor projectors
DE29703797U1 (de) * 1997-02-19 1997-05-15 Godler, Franc, Dr., 01968 Senftenberg Beleuchtungs-Einrichtung für einen Projektor
DE19737107C2 (de) * 1997-08-26 2001-02-08 Fresnel Optics Gmbh Optische Anordnung bestehend aus mindestens zwei Fresnellinsen und Projektions- bzw. Displayvorrichtung mit dieser Anordnung
US6409350B1 (en) 1998-03-06 2002-06-25 Matsushita Electric Industrial Co., Ltd. LCD projector
JPH11316353A (ja) * 1998-04-30 1999-11-16 Fuji Photo Optical Co Ltd 投射型表示装置
US6322652B1 (en) * 1998-09-04 2001-11-27 3M Innovative Properties Company Method of making a patterned surface articles
JP2000171901A (ja) 1998-09-28 2000-06-23 Matsushita Electric Ind Co Ltd 照明光学装置および投写型表示装置
WO2001002906A1 (fr) * 1999-07-02 2001-01-11 Matsushita Electric Industrial Co., Ltd. Dispositif de projection d'images
US6688748B2 (en) 2001-01-12 2004-02-10 Aurora Systems, Inc. System and method for using off-axis illumination in a reflective projection system
JP4037128B2 (ja) * 2001-03-02 2008-01-23 株式会社リコー 投影型表示装置、及びプログラム
CN1214838C (zh) * 2002-01-31 2005-08-17 精工爱普生株式会社 游戏机用显示装置和游戏机
EP1550907A4 (de) * 2002-10-10 2011-05-04 Panasonic Corp Beleuchtungseinrichtung
EP1642164B1 (de) * 2003-07-03 2007-10-10 THOMSON Licensing Beleuchtungssystem, das eine kombination mehrerer lichtstrahlen ermöglicht
JP4411030B2 (ja) * 2003-07-22 2010-02-10 キヤノン株式会社 投射型表示装置
JP4514440B2 (ja) * 2003-12-01 2010-07-28 三洋電機株式会社 投写型映像表示装置
DE602005019557D1 (de) 2004-05-05 2010-04-08 Imax Corp Hochleistungsfähiges stereographisches projektionssystem mit mehreren quellen
DE102004039088B4 (de) * 2004-08-12 2010-04-29 Basler Ag Optische Anordnung zum Erzeugen eines zeilen- oder streifenförmigen Linienlichts
US20060268417A1 (en) * 2005-05-27 2006-11-30 Texas Instruments Incorporated A Refractive Scheme for Dual Lamp High Brightness Projection System
CN101619839B (zh) * 2008-07-04 2012-06-06 曹嘉灿 准直光源装置及采用该装置投影系统
JP2010237367A (ja) * 2009-03-31 2010-10-21 Sanyo Electric Co Ltd 照明装置及び投写型映像表示装置
DE102009002508A1 (de) * 2009-04-20 2010-10-21 Tobias Kiesewetter Optische Einrichtung zum Beugen eines Strahlenbündels sowie ein Verfahren zur Beugung eines Strahlenbündels
US9715117B2 (en) * 2012-10-31 2017-07-25 G. B. Kirby Meacham Autostereoscopic three dimensional display
WO2014193830A1 (en) * 2013-05-31 2014-12-04 3M Innovative Properties Company Luminaire for crosswalk
WO2015050473A1 (en) 2013-10-03 2015-04-09 Huawei Technologies Co., Ltd Optical system for combining beams
CN108375043B (zh) * 2016-11-24 2021-02-23 法雷奥照明湖北技术中心有限公司 光束调整装置、光学组件与照明和/或信号指示装置
US10823370B2 (en) 2018-09-20 2020-11-03 Federal Signal Corporation Light beacon lens
KR20230114988A (ko) 2022-01-26 2023-08-02 현대자동차주식회사 다면 반사식 히든 라이팅 램프 및 차량

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1373491A (en) * 1919-07-25 1921-04-05 Frank J Detwiler Picture-projector
US1887650A (en) * 1926-05-27 1932-11-15 Chester W Larner Light controlling apparatus
US3547530A (en) * 1968-11-12 1970-12-15 Bell Telephone Labor Inc Overhead projector
US3770344A (en) * 1969-05-20 1973-11-06 Ricoh Kk Light source system for overhead projectors
JPS51933Y1 (de) * 1969-06-17 1976-01-12
US3979160A (en) * 1975-03-03 1976-09-07 Minnesota Mining And Manufacturing Company Compact overhead projector
US4118761A (en) * 1977-02-28 1978-10-03 Bausch & Lomb Incorporated Light condensing illuminator
US4984144A (en) * 1987-05-08 1991-01-08 Minnesota Mining And Manufacturing Company High aspect ratio light fixture and film for use therein
DE3728191C1 (de) * 1987-08-24 1989-02-23 Medium Vertriebsgesellschaft F Durchlicht-Schreibprojektor
JPH08673Y2 (ja) * 1988-11-25 1996-01-10 プラス株式会社 反射型実物投影機
US4989948A (en) * 1989-05-08 1991-02-05 Minnesota Mining And Manufacturing Company Reflective sheeting material
EP0422661A3 (en) * 1989-10-13 1992-07-01 Mitsubishi Rayon Co., Ltd Polarization forming optical device and polarization beam splitter
JP2828297B2 (ja) * 1990-01-19 1998-11-25 旭光学工業株式会社 反射型プロジェクター
JPH04179046A (ja) * 1990-11-13 1992-06-25 Sony Corp 光源装置
WO1992016871A1 (en) * 1991-03-15 1992-10-01 Seiko Epson Corporation Projection type display device
JPH0760247B2 (ja) * 1991-03-28 1995-06-28 株式会社ランダック オーバーヘッド・プロジェクタ
GB9108033D0 (en) * 1991-04-16 1991-06-05 Britax Vega Ltd Vehicle lamp
JPH05199485A (ja) * 1992-01-17 1993-08-06 Fujitsu General Ltd 投写型表示装置
JPH05224321A (ja) * 1992-02-13 1993-09-03 Fujitsu General Ltd 投写型表示装置
JPH05232399A (ja) * 1992-02-20 1993-09-10 Fujitsu General Ltd 投写用光源装置
DE4214262A1 (de) * 1992-05-03 1993-11-04 Wolf Henning Verfahren, anordnung und vorrichtung zum homogenen ausleuchten von dias in projektoren
US5296882A (en) * 1992-12-21 1994-03-22 Minnesota Mining And Manufacturing Company Overhead projector with catadioptric fresnel lens

Also Published As

Publication number Publication date
EP0793816B1 (de) 1998-07-15
JPH10509809A (ja) 1998-09-22
WO1996016351A1 (en) 1996-05-30
EP0793816A1 (de) 1997-09-10
DE69503520D1 (de) 1998-08-20
US5504544A (en) 1996-04-02
KR970707468A (ko) 1997-12-01
CN1058790C (zh) 2000-11-22
ES2118642T3 (es) 1998-09-16
CN1164281A (zh) 1997-11-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee