DK0874268T3 - Fresnellinseplade og bagprojektionsskærm - Google Patents

Fresnellinseplade og bagprojektionsskærm

Info

Publication number
DK0874268T3
DK0874268T3 DK98106727T DK98106727T DK0874268T3 DK 0874268 T3 DK0874268 T3 DK 0874268T3 DK 98106727 T DK98106727 T DK 98106727T DK 98106727 T DK98106727 T DK 98106727T DK 0874268 T3 DK0874268 T3 DK 0874268T3
Authority
DK
Denmark
Prior art keywords
fresnel lens
projection screen
rear projection
lens plate
plate
Prior art date
Application number
DK98106727T
Other languages
English (en)
Inventor
Katsunori Takahashi
Original Assignee
Dainippon Printing 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 Dainippon Printing Co Ltd filed Critical Dainippon Printing Co Ltd
Application granted granted Critical
Publication of DK0874268T3 publication Critical patent/DK0874268T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
    • 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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
DK98106727T 1997-04-11 1998-04-14 Fresnellinseplade og bagprojektionsskærm DK0874268T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9094028A JPH10282310A (ja) 1997-04-11 1997-04-11 フレネルレンズシート及び透過型スクリーン

Publications (1)

Publication Number Publication Date
DK0874268T3 true DK0874268T3 (da) 2003-12-01

Family

ID=14099120

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98106727T DK0874268T3 (da) 1997-04-11 1998-04-14 Fresnellinseplade og bagprojektionsskærm

Country Status (6)

Country Link
US (1) US6046847A (da)
EP (1) EP0874268B1 (da)
JP (1) JPH10282310A (da)
KR (1) KR100495907B1 (da)
DE (1) DE69818898T2 (da)
DK (1) DK0874268T3 (da)

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JPH10282310A (ja) * 1997-04-11 1998-10-23 Dainippon Printing Co Ltd フレネルレンズシート及び透過型スクリーン
US6407859B1 (en) 1999-01-13 2002-06-18 3M Innovative Properties Company Fresnel lens for projection screen
US6406150B1 (en) 1999-07-09 2002-06-18 Sarnoff Corporation Compact rear projections system
US6561649B1 (en) 1999-07-09 2003-05-13 Sarnoff Corporation Compact rear projection system using birefringent optics
US6511186B1 (en) 1999-07-09 2003-01-28 Sarnoff Corporation Focus and aim device and method for image projection
US6873460B1 (en) 1999-07-09 2005-03-29 Sarnoff Corporation Retractable rear projection display
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WO2001035154A1 (de) * 1999-11-11 2001-05-17 4D-Vision Gmbh Verfahren und anordnung zur dreidimensionalen darstellung
US7012743B2 (en) * 2000-11-09 2006-03-14 Dai Nippon Printing Co., Ltd. Lenticular lens sheet and projection screen
US6867928B2 (en) * 2002-08-01 2005-03-15 Jenmar Visual Systems Method and apparatus for correcting visual aberrations in image projection systems
US6700713B2 (en) * 2002-08-01 2004-03-02 Jenmar Visual Systems Lens optimization for image projection systems
US6807020B2 (en) 2002-08-01 2004-10-19 Jenmar Visual Systems Lens optimization and color correction for image projection systems
JP2006520017A (ja) * 2003-03-12 2006-08-31 エーブリー　デニソン　コーポレイション 後方投影スクリーンおよびその製造方法
US20050121879A1 (en) * 2003-12-09 2005-06-09 Smith Roland L. Trailer hitch alignment system
FR2864851A1 (fr) * 2004-01-07 2005-07-08 Thomson Licensing Sa Lentille de fresnel et dispositif d'affichage a projection utilisant une telle lentille
US20050226590A1 (en) * 2004-04-07 2005-10-13 Patel Falgun D Variable optical attenuator based on rare earth doped glass
TWI293135B (en) * 2004-06-08 2008-02-01 Prodisc Technology Inc Liquid crystal display and backlight module
US20060181770A1 (en) * 2005-02-15 2006-08-17 K Laser Technology, Inc. Rear projection screen with spatial varying diffusing angle
US7330311B2 (en) * 2005-07-08 2008-02-12 Arisawa Mfg. Co., Ltd. Transmission type screen having directional light scattering lens and fresnel lens
JP4998111B2 (ja) * 2007-06-26 2012-08-15 パナソニック株式会社 光受信器
US9464784B2 (en) 2012-02-03 2016-10-11 GE Lighting Solutions, LLC Optical system and lighting device comprised thereof
US9778829B2 (en) 2012-02-17 2017-10-03 Lenovo (Singapore) Pte. Ltd. Magnification based on eye input
US9110635B2 (en) 2013-12-03 2015-08-18 Lenova (Singapore) Pte. Ltd. Initiating personal assistant application based on eye tracking and gestures
US10163455B2 (en) 2013-12-03 2018-12-25 Lenovo (Singapore) Pte. Ltd. Detecting pause in audible input to device
US9213659B2 (en) 2013-12-03 2015-12-15 Lenovo (Singapore) Pte. Ltd. Devices and methods to receive input at a first device and present output in response on a second device different from the first device
US9709708B2 (en) 2013-12-09 2017-07-18 Lenovo (Singapore) Pte. Ltd. Adjustable display optics
US9633252B2 (en) 2013-12-20 2017-04-25 Lenovo (Singapore) Pte. Ltd. Real-time detection of user intention based on kinematics analysis of movement-oriented biometric data
US10180716B2 (en) 2013-12-20 2019-01-15 Lenovo (Singapore) Pte Ltd Providing last known browsing location cue using movement-oriented biometric data
US10073671B2 (en) 2014-01-20 2018-09-11 Lenovo (Singapore) Pte. Ltd. Detecting noise or object interruption in audio video viewing and altering presentation based thereon
US9811095B2 (en) 2014-08-06 2017-11-07 Lenovo (Singapore) Pte. Ltd. Glasses with fluid-fillable membrane for adjusting focal length of one or more lenses of the glasses
US9535497B2 (en) 2014-11-20 2017-01-03 Lenovo (Singapore) Pte. Ltd. Presentation of data on an at least partially transparent display based on user focus
US10860094B2 (en) 2015-03-10 2020-12-08 Lenovo (Singapore) Pte. Ltd. Execution of function based on location of display at which a user is looking and manipulation of an input device
US10013540B2 (en) 2015-03-10 2018-07-03 Lenovo (Singapore) Pte. Ltd. Authentication based on body movement
US10499164B2 (en) 2015-03-18 2019-12-03 Lenovo (Singapore) Pte. Ltd. Presentation of audio based on source
US9335569B1 (en) 2015-03-23 2016-05-10 Northrop Grumman Systems Corporation Tunable-focus thin electronic lens
US10621431B2 (en) 2015-03-27 2020-04-14 Lenovo (Singapore) Pte. Ltd. Camera that uses light from plural light sources disposed on a device
GB2576212B (en) * 2018-08-10 2021-12-29 X Fab Semiconductor Foundries Gmbh Improvements in lens layers for semiconductor devices
US10955988B1 (en) 2020-02-14 2021-03-23 Lenovo (Singapore) Pte. Ltd. Execution of function based on user looking at one area of display while touching another area of display
WO2022242304A1 (zh) * 2021-05-19 2022-11-24 成都菲斯特科技有限公司 一种投影屏幕及投影系统
CN115453814B (zh) * 2021-05-19 2025-07-22 成都菲斯特科技有限公司 一种投影屏幕及投影系统
CN115453813B (zh) * 2021-05-19 2025-09-05 成都菲斯特科技有限公司 一种投影屏幕及投影屏幕汇聚点变化拟合方法

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US5208620A (en) * 1988-10-04 1993-05-04 Canon Kabushiki Kaisha Display apparatus
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US5467221A (en) * 1993-11-30 1995-11-14 Hitachi, Ltd. Multi-screen projector
US5751387A (en) * 1995-07-28 1998-05-12 Fujitsu Limited Fresnel lens and liquid crystal display device
JPH10282310A (ja) * 1997-04-11 1998-10-23 Dainippon Printing Co Ltd フレネルレンズシート及び透過型スクリーン

Also Published As

Publication number Publication date
EP0874268B1 (en) 2003-10-15
JPH10282310A (ja) 1998-10-23
US6046847A (en) 2000-04-04
KR19980081174A (ko) 1998-11-25
KR100495907B1 (ko) 2005-09-30
DE69818898T2 (de) 2004-08-19
DE69818898D1 (de) 2003-11-20
EP0874268A1 (en) 1998-10-28

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