[go: up one dir, main page]

DK474088A - Bagprojektionsskaerm - Google Patents

Bagprojektionsskaerm

Info

Publication number
DK474088A
DK474088A DK474088A DK474088A DK474088A DK 474088 A DK474088 A DK 474088A DK 474088 A DK474088 A DK 474088A DK 474088 A DK474088 A DK 474088A DK 474088 A DK474088 A DK 474088A
Authority
DK
Denmark
Prior art keywords
rear projection
projection
Prior art date
Application number
DK474088A
Other languages
English (en)
Other versions
DK474088D0 (da
DK171004B1 (da
Inventor
Jill Forer Goldenburg
Ralph Hampton Brandley
William Francis Guerinot
Thomas Stewart Mckechnie
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK474088D0 publication Critical patent/DK474088D0/da
Publication of DK474088A publication Critical patent/DK474088A/da
Application granted granted Critical
Publication of DK171004B1 publication Critical patent/DK171004B1/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)
  • Transforming Electric Information Into Light Information (AREA)
DK474088A 1987-08-28 1988-08-25 Bagprojektionsskærm DK171004B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9048787 1987-08-28
US07/090,487 US4773731A (en) 1987-08-28 1987-08-28 One-piece projection screen

Publications (3)

Publication Number Publication Date
DK474088D0 DK474088D0 (da) 1988-08-25
DK474088A true DK474088A (da) 1989-03-01
DK171004B1 DK171004B1 (da) 1996-04-15

Family

ID=22222988

Family Applications (1)

Application Number Title Priority Date Filing Date
DK474088A DK171004B1 (da) 1987-08-28 1988-08-25 Bagprojektionsskærm

Country Status (6)

Country Link
US (1) US4773731A (da)
EP (1) EP0305009B1 (da)
JP (1) JP2904214B2 (da)
KR (1) KR890004565A (da)
DE (1) DE3885210T2 (da)
DK (1) DK171004B1 (da)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2731169B2 (ja) * 1988-07-18 1998-03-25 株式会社日立製作所 近距離観視用投写形ディスプレイ装置
EP0371432B1 (en) * 1988-11-28 1995-07-05 Mitsubishi Rayon Co., Ltd. Transmission type screen and method of manufacturing the same
DE3921061A1 (de) * 1989-06-23 1991-01-03 Hertz Inst Heinrich Wiedergabeeinrichtung fuer dreidimensionale wahrnehmung von bildern
NL8902112A (nl) * 1989-08-22 1991-03-18 Philips Nv Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm.
JP2831436B2 (ja) * 1990-05-14 1998-12-02 キヤノン株式会社 スクリーンおよびこれを用いた投写型表示装置
JP2625317B2 (ja) * 1992-06-11 1997-07-02 ミサワホーム株式会社 ユニット式建物の上下階接合構造
US5457572A (en) * 1992-12-17 1995-10-10 Kuraray Co., Ltd. Rear-projection screen
US6788460B2 (en) 1998-04-15 2004-09-07 Duke University Projection screen apparatus
US20030206342A1 (en) * 1993-05-12 2003-11-06 Bright View Technologies, Inc. Micro-lens array based light transmission screen
US6483612B2 (en) * 1998-04-15 2002-11-19 Duke University Projection screen apparatus including holographic optical element
US5668662A (en) * 1994-05-12 1997-09-16 Philips Electronics North America Corporation Front projection screen with lenticular front surface
JP3371654B2 (ja) * 1995-10-30 2003-01-27 ソニー株式会社 投射型ディスプレイ装置
DE69830303T2 (de) * 1997-12-29 2006-02-02 Koninklijke Philips Electronics N.V. Rückprojektionsschirm
US6163402A (en) 1998-06-11 2000-12-19 3M Innovative Properties Company Rear projection screen
US6449089B1 (en) 1998-03-30 2002-09-10 3M Innovative Properties Company Rear projection screen with enhanced contrast
US6829087B2 (en) * 1998-04-15 2004-12-07 Bright View Technologies, Inc. Micro-lens array based light transmitting screen with tunable gain
US6816306B2 (en) * 1998-04-15 2004-11-09 Bright View Technologies Inc. Micro-lens array based light transmitting screen with high resolution and low imaging artifacts
US6967779B2 (en) * 1998-04-15 2005-11-22 Bright View Technologies, Inc. Micro-lens array with precisely aligned aperture mask and methods of producing same
US6407859B1 (en) * 1999-01-13 2002-06-18 3M Innovative Properties Company Fresnel lens for projection screen
EP1218795B1 (en) * 1999-09-29 2003-05-07 Scan Vision Screen APS A translucent screen comprising a lens system
DE10022713B4 (de) * 2000-05-10 2004-02-05 Osram Opto Semiconductors Gmbh Signalgeber für Verkehrssignale
US20020096859A1 (en) * 2001-01-22 2002-07-25 Versaw Douglas W. Motorcycle trailer hitch
US6819486B2 (en) * 2001-01-17 2004-11-16 3M Innovative Properties Company Projection screen having elongated structures
AU2003207812B2 (en) * 2002-04-12 2008-02-07 Duke University Projection screen apparatus
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
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
US7088507B2 (en) * 2002-08-16 2006-08-08 Infocus Corporation Rear projection display
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
US7777949B2 (en) * 2002-08-16 2010-08-17 Seiko Epson Corporation Laminate screen for a display device
US7102820B2 (en) 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
JP4044931B2 (ja) * 2002-09-24 2008-02-06 大日本印刷株式会社 フレネルレンズシート、透過型スクリーン及び背面透過型表示装置
US6917469B2 (en) * 2003-06-27 2005-07-12 Japan Acryace Co., Ltd. Light diffusing laminated plate
KR100553889B1 (ko) * 2003-07-15 2006-02-24 삼성전자주식회사 프로젝션 표시 장치용 스크린
US7080910B2 (en) * 2003-08-19 2006-07-25 Infocus Corporation Method and system for a thermal architecture and user adjustable keystone in a display device
WO2006032002A1 (en) * 2004-09-13 2006-03-23 Fusion Optix, Inc. High contrast optical path corrected screen
US20060181770A1 (en) 2005-02-15 2006-08-17 K Laser Technology, Inc. Rear projection screen with spatial varying diffusing angle
US8830577B2 (en) * 2011-05-12 2014-09-09 Prysm, Inc. Rollable display screen
US9291887B2 (en) 2011-05-12 2016-03-22 Prysm, Inc. Rollable display screen quilt
DE112014007210T5 (de) * 2014-11-25 2017-08-03 Bolymedia Holdings Co. Ltd Fresnellinsensystem
BR112017011609A2 (pt) * 2014-12-10 2018-01-16 Bolymedia Holdings Co Ltd sistema de detecção de radiação eletromagnética
US20180045933A1 (en) * 2016-06-30 2018-02-15 Danielle Dileo Optical system for an led wash luminaire
WO2023102795A1 (zh) * 2021-12-09 2023-06-15 瑞仪(广州)光电子器件有限公司 光学元件、光源模组与显示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189419A (da) * 1975-02-03 1976-08-05
JPS56106237A (en) * 1980-01-29 1981-08-24 Matsushita Electric Ind Co Ltd Transmissive screen and its manufacture
JPS58160940A (ja) * 1982-03-19 1983-09-24 Dainippon Printing Co Ltd 透過型映写用スクリ−ン板
JPS5988723A (ja) * 1982-11-12 1984-05-22 Dainippon Printing Co Ltd レンチキユラ−スクリ−ン
NL8300817A (nl) * 1983-03-07 1984-10-01 Philips Nv Projektiescherm.
JPS6190149A (ja) * 1984-10-09 1986-05-08 Hitachi Ltd 透過形スクリ−ン
NL8600184A (nl) * 1986-01-28 1987-08-17 Philips Nv Doorzichtprojektiesysteem.
US4679900A (en) * 1986-06-05 1987-07-14 North American Philips Corporation Bulk diffuser for a projection television screen
JPS632031A (ja) * 1986-06-23 1988-01-07 Mitsubishi Rayon Co Ltd 透過型スクリ−ン

Also Published As

Publication number Publication date
JPS6472135A (en) 1989-03-17
EP0305009A2 (en) 1989-03-01
EP0305009A3 (en) 1989-09-20
US4773731A (en) 1988-09-27
DE3885210D1 (de) 1993-12-02
DK474088D0 (da) 1988-08-25
DE3885210T2 (de) 1994-05-05
DK171004B1 (da) 1996-04-15
EP0305009B1 (en) 1993-10-27
KR890004565A (ko) 1989-04-22
JP2904214B2 (ja) 1999-06-14

Similar Documents

Publication Publication Date Title
DK474088D0 (da) Bagprojektionsskaerm
DK609486A (da) Bagprojektionsskaerm
ATA30988A (de) Alpinski
DK551188D0 (da) Frontprojektionsskaerm
ATA174488A (de) Alpinski
KR900007237A (ko) 투영장치
ATA174288A (de) Alpinski
ATA224788A (de) Calcitoninsuppositorien
IT1224715B (it) Proiettore frontale per autoveicoli
NO173300C (no) S!kerradarsystem
FR2619009B1 (fr) Agent anti-hyperlipemique
IT210491Z2 (it) Proiettore per veicoli
ATA48687A (de) Guellefass
KR870017914U (ko) 배면 거울
AT389045B (de) Paraocclusaler loeffel
ATA294988A (de) Haecksler
FR2616660B1 (fr) Agent antiepileptique
IT210507Z2 (it) Proiettore per veicolo
IT1207359B (it) Proiettore per veicoli
KR890004125U (ko) 투망식 포어기
DK521188A (da) Projektionsapparat
KR890002990U (ko) 관계수
ATA280187A (de) Sportschuh
ATA162787A (de) Hoergeraet
KR880018394U (ko) 투영기

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

Country of ref document: DK