NO20063075L - Vidvinkelprojeksjonslinse og optisk motor for projeksjonsvisningsanordning - Google Patents

Vidvinkelprojeksjonslinse og optisk motor for projeksjonsvisningsanordning

Info

Publication number
NO20063075L
NO20063075L NO20063075A NO20063075A NO20063075L NO 20063075 L NO20063075 L NO 20063075L NO 20063075 A NO20063075 A NO 20063075A NO 20063075 A NO20063075 A NO 20063075A NO 20063075 L NO20063075 L NO 20063075L
Authority
NO
Norway
Prior art keywords
wide
angle
projection lens
optical motor
projection
Prior art date
Application number
NO20063075A
Other languages
English (en)
Norwegian (no)
Inventor
Ernesto M Rodriguez Jr
Patricia M Hughes
William E Haushalter
Kai Chang Lu
Steven G Saxe
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of NO20063075L publication Critical patent/NO20063075L/no

Links

Classifications

    • 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
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • 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
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens 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
    • G03B21/10—Projectors with built-in or built-on screen
    • 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
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability
    • 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
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/04—Vertical adjustment of lens; Rising fronts
    • 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)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
NO20063075A 2003-12-05 2006-07-03 Vidvinkelprojeksjonslinse og optisk motor for projeksjonsvisningsanordning NO20063075L (no)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US52742403P 2003-12-05 2003-12-05
US55661204P 2004-03-26 2004-03-26
US58469104P 2004-07-01 2004-07-01
US58469204P 2004-07-01 2004-07-01
US58469304P 2004-07-01 2004-07-01
PCT/US2004/040474 WO2005057267A2 (en) 2003-12-05 2004-12-03 Wide-angle projection lens and optical engine for a projection display device

Publications (1)

Publication Number Publication Date
NO20063075L true NO20063075L (no) 2006-09-05

Family

ID=34682417

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20063075A NO20063075L (no) 2003-12-05 2006-07-03 Vidvinkelprojeksjonslinse og optisk motor for projeksjonsvisningsanordning

Country Status (11)

Country Link
US (2) US20050122484A1 (es)
EP (1) EP1723459A2 (es)
JP (1) JP2007513384A (es)
KR (2) KR20120026134A (es)
CN (1) CN1890593B (es)
AU (1) AU2004297974A1 (es)
CA (1) CA2547443A1 (es)
MX (1) MXPA06006290A (es)
NO (1) NO20063075L (es)
TW (1) TW200528757A (es)
WO (1) WO2005057267A2 (es)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120026134A (ko) * 2003-12-05 2012-03-16 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광각 투사 렌즈 및 투사 디스플레이 장치용 광학 엔진
US7271964B2 (en) * 2003-12-05 2007-09-18 3M Innovative Properties Company Projection display device for multimedia and wall display systems
US7342723B2 (en) * 2004-12-03 2008-03-11 3M Innovative Properties Company Projection lens and portable display device for gaming and other applications
US7173777B1 (en) 2006-02-14 2007-02-06 3M Innovative Properties Company Projection lens and display device for multimedia and other systems
US20060285090A1 (en) * 2004-12-03 2006-12-21 3M Innovative Properties Company Projection lens and portable display device for gaming and other applications
TWI305107B (en) 2005-09-29 2009-01-01 Young Optics Inc Optical projection apparatus
WO2007070543A2 (en) * 2005-12-12 2007-06-21 Infocus Corporation Video dock for portable media player
EP1984782B1 (en) * 2006-02-14 2011-06-08 3M Innovative Properties Company Projection lens and portable display device for gaming and other applications
CA2641001C (en) * 2006-02-21 2012-01-03 Matsushita Electric Works, Ltd. Image display apparatus and image distortion correction method of the same
JP2008242237A (ja) * 2007-03-28 2008-10-09 Topcon Corp 広角投影光学系及び投影装置
US7857463B2 (en) * 2007-03-29 2010-12-28 Texas Instruments Incorporated Optical system for a thin, low-chin, projection television
US20080239164A1 (en) * 2007-03-30 2008-10-02 Epson America, Inc. EZ home cinema
JP2009002982A (ja) * 2007-06-19 2009-01-08 Seiko Epson Corp 表示装置
JP4341723B2 (ja) * 2008-02-22 2009-10-07 パナソニック電工株式会社 光投影装置、照明装置
JP5091726B2 (ja) * 2008-03-10 2012-12-05 株式会社日立製作所 投射型映像表示システム
US20090251607A1 (en) * 2008-04-03 2009-10-08 Slideshow Technologies, Inc. Displaying presentations
US20090268164A1 (en) * 2008-04-28 2009-10-29 Upton Beall Bowden Dockable multimedia projection system
CN102084177B (zh) 2008-05-05 2013-04-10 3M创新有限公司 光源模块
US7887015B2 (en) * 2008-07-18 2011-02-15 Peerless Industries, Inc. Surface mounting system
US20100045943A1 (en) * 2008-08-25 2010-02-25 Peerless Industries, Inc. Projector Mount
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
US20100146496A1 (en) * 2008-12-02 2010-06-10 Slideshow Technologies, Llc Displaying Presentations
CN101556424B (zh) * 2009-02-11 2011-02-16 苏州佳世达光电有限公司 投影装置
US8995485B2 (en) 2009-02-17 2015-03-31 Trilumina Corp. High brightness pulsed VCSEL sources
US10038304B2 (en) 2009-02-17 2018-07-31 Trilumina Corp. Laser arrays for variable optical properties
US10244181B2 (en) 2009-02-17 2019-03-26 Trilumina Corp. Compact multi-zone infrared laser illuminator
US20130223846A1 (en) 2009-02-17 2013-08-29 Trilumina Corporation High speed free-space optical communications
US8995493B2 (en) 2009-02-17 2015-03-31 Trilumina Corp. Microlenses for multibeam arrays of optoelectronic devices for high frequency operation
JP5358280B2 (ja) * 2009-05-12 2013-12-04 日立コンシューマエレクトロニクス株式会社 投写ボード装置、及びこれに用いる透過型スクリーン
JP5445182B2 (ja) * 2010-02-04 2014-03-19 株式会社リコー 投射光学装置の支持装置及びこれを備えた投射光学装置
GB2483097B (en) * 2010-08-26 2013-12-11 Promethean Ltd Safety device for interactive display system
US9465187B2 (en) 2010-11-15 2016-10-11 DigitalOptics Corporation MEMS Thermal despace compensation systems and methods
TW201303131A (zh) * 2011-07-06 2013-01-16 Taroko Door & Window Technologies Inc 可投影門窗構造
US11095365B2 (en) 2011-08-26 2021-08-17 Lumentum Operations Llc Wide-angle illuminator module
US8794766B2 (en) * 2012-11-30 2014-08-05 Robert Listou Trust System and method for physically disabled persons to read e-publications
KR102220825B1 (ko) 2013-09-05 2021-03-02 삼성전자주식회사 전자 장치와 전자 장치의 콘텐트 표시방법
CN104822037B (zh) * 2014-01-30 2019-03-08 德思来科技有限公司 具有内置式电动悬臂的嵌套式投影仪
TWI498589B (zh) * 2014-03-14 2015-09-01 Qisda Corp 投影鏡頭及其投影裝置
JP6474576B2 (ja) * 2014-09-29 2019-02-27 マクセル株式会社 壁掛け式プロジェクタ装置の取り付け部材とそれを用いたプロジェクタ装置
US9819380B2 (en) 2015-04-29 2017-11-14 Comprehensive Prospect Research Docking station for portable electronic device
TWI633382B (zh) * 2017-07-18 2018-08-21 上暘光學股份有限公司 Back focus compensation compensation lens structure
CN110446018A (zh) * 2018-05-02 2019-11-12 深圳吉祥星科技股份有限公司 一种智能投影仪的护眼方法、护眼装置及智能投影仪
US20220360755A1 (en) * 2020-10-23 2022-11-10 Ji Shen Interactive display with integrated camera for capturing audio and visual information
US20230113359A1 (en) * 2020-10-23 2023-04-13 Pathway Innovations And Technologies, Inc. Full color spectrum blending and digital color filtering for transparent display screens
WO2024054215A1 (en) * 2022-09-09 2024-03-14 Hewlett-Packard Development Company, L.P. Detachable tablet projector

Family Cites Families (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1643134A (en) * 1923-02-21 1927-09-20 Serrurier Iwan Picture-projecting apparatus
US1870702A (en) * 1931-04-13 1932-08-09 Rca Corp Television apparatus
US3179426A (en) * 1962-06-25 1965-04-20 Gen Motors Corp High temperature actuator seal
US4070098A (en) * 1976-04-28 1978-01-24 The University Of Arizona Foundation Fisheye projection lens system for 35mm motion pictures
JPS5432319A (en) * 1977-08-17 1979-03-09 Minolta Camera Co Ltd Fish eye lens
DE2920360A1 (de) * 1979-05-19 1980-11-20 Jaroslav Sedek Unterschiedlich anzuordnende standplatte fuer einen projektionsapparat
JPS62201737U (es) 1986-06-13 1987-12-23
US4908705A (en) * 1988-01-21 1990-03-13 Fairchild Weston Systems, Inc. Steerable wide-angle imaging system
JPH0227390U (es) 1988-08-09 1990-02-22
US4976429A (en) 1988-12-07 1990-12-11 Dietmar Nagel Hand-held video game image-projecting and control apparatus
JPH02196230A (ja) 1989-01-25 1990-08-02 Seiko Epson Corp 液晶プロジェクター
JP2754031B2 (ja) 1989-03-03 1998-05-20 セイコーエプソン株式会社 投写型液晶表示装置
JPH0327085A (ja) 1989-06-26 1991-02-05 Mitsubishi Kasei Corp 投射型表示装置
JPH0356951A (ja) 1989-07-26 1991-03-12 Komatsu Wall Ind Co Ltd プロジェクタの天井移動装置
JPH03257491A (ja) * 1990-03-07 1991-11-15 Shigeo Nakagawa 投映装置
US5390048A (en) * 1991-12-02 1995-02-14 Matsushita Electric Industrial Co., Ltd. Projection lens assembly and projection display apparatus
US5442484A (en) * 1992-01-06 1995-08-15 Mitsubishi Denki Kabushiki Kaisha Retro-focus type lens and projection-type display apparatus
JPH05323194A (ja) * 1992-05-22 1993-12-07 Canon Inc リヤーフォーカス式のズームレンズ
EP0601628B1 (en) * 1992-12-02 1998-03-18 Koninklijke Philips Electronics N.V. Optical projection apparatus
US5847748A (en) * 1993-03-11 1998-12-08 Ncr Corporation Multimedia projection system
JP3144191B2 (ja) 1993-11-26 2001-03-12 キヤノン株式会社 ズームレンズ
US5664859A (en) * 1994-01-03 1997-09-09 Kopin Corporation Projection display docking system
JPH07270685A (ja) * 1994-03-29 1995-10-20 Nikon Corp ズームレンズ
US5510862A (en) * 1994-07-21 1996-04-23 Lieberman; Phillip L. Collapsible large screen audiovisual display system
JP3445404B2 (ja) * 1994-08-12 2003-09-08 ペンタックス株式会社 投影レンズ及び投影装置
JPH0868941A (ja) * 1994-08-30 1996-03-12 Nikon Corp 高倍率ズームレンズ
US5515125A (en) * 1994-11-14 1996-05-07 Gerver; Robert Storage cart for instructional devices
US5625495A (en) * 1994-12-07 1997-04-29 U.S. Precision Lens Inc. Telecentric lens systems for forming an image of an object composed of pixels
US5978150A (en) * 1995-06-01 1999-11-02 Nikon Corporation Zoom lens
CA2155263A1 (en) * 1995-08-02 1997-02-03 David Catta Audiovisual enclosure
JPH09116841A (ja) * 1995-10-20 1997-05-02 Fujitsu General Ltd プロジェクタ装置用収納架
US5793352A (en) * 1995-11-01 1998-08-11 In Focus Systems, Inc. Source coupler for multimedia projection display system
US6109767A (en) * 1996-03-29 2000-08-29 Minnesota Mining And Manufacturing Company Honeycomb light and heat trap for projector
JPH09297262A (ja) * 1996-05-08 1997-11-18 Mitsubishi Electric Corp 投写レンズ
US5870228A (en) * 1996-05-24 1999-02-09 U.S. Precision Lens Inc. Projection lenses having larger back focal length to focal length ratios
JPH10206969A (ja) 1997-01-24 1998-08-07 Ricoh Co Ltd 画像表示装置および画像表示装置用アタッチメント
US5900987A (en) * 1997-02-13 1999-05-04 U.S. Precision Lens Inc Zoom projection lenses for use with pixelized panels
US6580469B1 (en) 1997-04-28 2003-06-17 Carl Zeiss Jena Gmbh Projection device
US6124979A (en) * 1997-09-10 2000-09-26 Hitachi, Ltd. Projection display apparatus and projection lens device for use therein
DE19832317C1 (de) * 1998-07-17 2000-05-11 Zeiss Carl Jena Gmbh Anordnung, bei der von einer Lichtquelle aus Licht auf eine Fläche gerichtet wird
US6179426B1 (en) * 1999-03-03 2001-01-30 3M Innovative Properties Company Integrated front projection system
US6604829B2 (en) * 1999-03-03 2003-08-12 3M Innovative Properties Company Compact integrated front projection system
JP4232269B2 (ja) * 1999-04-20 2009-03-04 コニカミノルタオプト株式会社 投影光学系
US6195209B1 (en) * 1999-05-04 2001-02-27 U.S. Precision Lens Incorporated Projection lenses having reduced lateral color for use with pixelized panels
JP2000321672A (ja) * 1999-05-14 2000-11-24 Seiko Epson Corp スタンド型スクリーン装置及びこれを用いた投写型表示装置
JP3390402B2 (ja) * 1999-07-02 2003-03-24 三菱電機株式会社 レトロフォーカス型レンズ及び投写型表示装置
US6137638A (en) * 1999-07-28 2000-10-24 Nittoh Kogaku K.K. Projection zoom lens system and projector apparatus
JP4590044B2 (ja) * 1999-07-28 2010-12-01 キヤノン株式会社 投射装置
JP3588283B2 (ja) * 1999-09-24 2004-11-10 松下電器産業株式会社 投写レンズとそれを用いたプロジェクター
US6188523B1 (en) * 1999-11-16 2001-02-13 Samsung Electronics Co., Ltd. Projection lens unit for projector
US6621645B2 (en) * 1999-12-02 2003-09-16 Nikon Corporation Super wide-angle lens and photographing apparatus having the same
US6224216B1 (en) * 2000-02-18 2001-05-01 Infocus Corporation System and method employing LED light sources for a projection display
US6626543B2 (en) * 2000-06-13 2003-09-30 E-Lumen8, Llc Electronic image projection device
JP2002082387A (ja) * 2000-06-28 2002-03-22 Victor Co Of Japan Ltd 投射表示装置
JP4016576B2 (ja) * 2000-07-14 2007-12-05 株式会社日立製作所 投射用レンズ装置および投射型画像表示装置
JP4624535B2 (ja) * 2000-09-28 2011-02-02 富士フイルム株式会社 広角投映レンズおよびこれを用いた投写型画像表示装置
DE10103098A1 (de) 2001-01-24 2002-08-08 Zeiss Carl Jena Gmbh Einrichtung zum Erzeugen eines viereckigen, leuchtenden Feldes und Verwendung einer solchen Einrichtung bei einer Optikvorrichtung mit einer zu beleuchtenden Fläche vorbestimmter Form
JP3442744B2 (ja) * 2001-02-14 2003-09-02 三菱電機株式会社 広角投写レンズおよび投写型表示装置
US6540366B2 (en) * 2001-03-19 2003-04-01 Smart Technologies, Inc. Overhead projection system
JP2003015033A (ja) * 2001-06-28 2003-01-15 Minolta Co Ltd 投射光学系
JP2003015221A (ja) * 2001-06-29 2003-01-15 Fuji Photo Film Co Ltd プロジェクション装置
JP4106881B2 (ja) * 2001-08-08 2008-06-25 カシオ計算機株式会社 ズームレンズ
JP3982363B2 (ja) * 2001-08-28 2007-09-26 ソニー株式会社 投射レンズ、プロジェクション表示装置
US6937401B2 (en) 2001-08-28 2005-08-30 Sony Corporation Projection lens
JP2003156633A (ja) * 2001-11-22 2003-05-30 Stanley Electric Co Ltd 成形光学パネル及びその成形金型
US7044605B2 (en) * 2001-12-26 2006-05-16 Infocus Corporation Image-rendering device
JP2003202492A (ja) * 2002-01-09 2003-07-18 Matsushita Electric Ind Co Ltd 投写レンズ及びそれを用いた投写型表示装置
JP2005520207A (ja) * 2002-03-13 2005-07-07 ビーンズトーク ヴェンチャーズ カンパニー 内蔵型システムとなるマイクロプロセッサ一体型デジタル媒体源、画像映写装置および音響部品
JP4078877B2 (ja) * 2002-05-16 2008-04-23 セイコーエプソン株式会社 前面投写型表示装置
ATE396586T1 (de) * 2002-06-12 2008-06-15 Silicon Optix Inc Bildprojektionssystem und -verfahren für kurze reichweiten
US7090354B2 (en) * 2002-08-16 2006-08-15 Infocus Corporation Projection device and screen
US7150537B2 (en) * 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
US7175287B2 (en) * 2002-08-16 2007-02-13 Infocus Corporation Wide angle projection lens
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
JP2004113655A (ja) * 2002-09-27 2004-04-15 Nec Viewtechnology Ltd 大画面表示機能付きデスク
US6868369B2 (en) * 2003-01-06 2005-03-15 Innova Electronics Corporation Tachometer
US7380946B1 (en) 2003-01-28 2008-06-03 Pixelworks, Inc. Semiautomatic keystone correction system and method
JP2004245893A (ja) 2003-02-10 2004-09-02 Tamron Co Ltd レトロフォーカス型広角レンズ
DE10307740A1 (de) 2003-02-24 2004-09-09 Carl Zeiss Jena Gmbh Projektionsanordnung
JP2004326079A (ja) * 2003-04-10 2004-11-18 Seiko Epson Corp 投射レンズ及び投写型画像表示装置
DE10325867B4 (de) 2003-06-06 2013-08-01 Eberhard Piehler Projektionsvorrichtung
US7108382B2 (en) * 2003-07-08 2006-09-19 Hewlett-Packard Development Company, L.P. Digital projector access panel
JP4671588B2 (ja) * 2003-08-11 2011-04-20 株式会社日立製作所 投写光学ユニット及び投写型カラー映像表示装置とこれを用いた背面投写型カラー映像表示装置
JP2005128487A (ja) * 2003-09-30 2005-05-19 Matsushita Electric Ind Co Ltd 投写レンズ、並びにこの投写レンズを用いた投写型表示装置及び背面投写型表示装置
WO2005043932A2 (en) * 2003-10-20 2005-05-12 Johnson Research And Development Co., Inc. Portable multimedia projection system
JP2005181993A (ja) * 2003-11-28 2005-07-07 Sekinosu Kk 投影レンズ
US7123426B2 (en) 2003-12-05 2006-10-17 3M Innovative Properties Company Projection lens and display device
US7126767B2 (en) 2003-12-05 2006-10-24 3M Innovative Properties Company Wide-angle projection lens for front projection display systems
KR20120026134A (ko) 2003-12-05 2012-03-16 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광각 투사 렌즈 및 투사 디스플레이 장치용 광학 엔진
US7271964B2 (en) 2003-12-05 2007-09-18 3M Innovative Properties Company Projection display device for multimedia and wall display systems
US20050168707A1 (en) * 2004-01-30 2005-08-04 Feldpausch Thomas G. Convertible projection assembly and method
US7111852B2 (en) * 2004-04-29 2006-09-26 Kimball International, Inc. Utility cart
US7559659B2 (en) 2005-12-12 2009-07-14 Infocus Corporation Configurable projection device

Also Published As

Publication number Publication date
WO2005057267A2 (en) 2005-06-23
WO2005057267A3 (en) 2005-11-24
MXPA06006290A (es) 2006-08-25
KR20120026134A (ko) 2012-03-16
JP2007513384A (ja) 2007-05-24
EP1723459A2 (en) 2006-11-22
KR20060123762A (ko) 2006-12-04
AU2004297974A1 (en) 2005-06-23
KR101233911B1 (ko) 2013-02-15
CN1890593B (zh) 2010-05-12
US7850311B2 (en) 2010-12-14
CN1890593A (zh) 2007-01-03
US20080137040A1 (en) 2008-06-12
CA2547443A1 (en) 2005-06-23
TW200528757A (en) 2005-09-01
US20050122484A1 (en) 2005-06-09

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