DK0496445T3 - Bagprojektionsskærm - Google Patents

Bagprojektionsskærm

Info

Publication number
DK0496445T3
DK0496445T3 DK92200081.5T DK92200081T DK0496445T3 DK 0496445 T3 DK0496445 T3 DK 0496445T3 DK 92200081 T DK92200081 T DK 92200081T DK 0496445 T3 DK0496445 T3 DK 0496445T3
Authority
DK
Denmark
Prior art keywords
rear projection
projection
Prior art date
Application number
DK92200081.5T
Other languages
Danish (da)
English (en)
Inventor
Ralph H Bradley
Original Assignee
Philips Electronics 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 Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of DK0496445T3 publication Critical patent/DK0496445T3/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/08—Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted or stored, e.g. backing-plates for storage tubes or collecting secondary electrons
    • 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]
    • 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
DK92200081.5T 1991-01-23 1992-01-14 Bagprojektionsskærm DK0496445T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/644,723 US5076661A (en) 1991-01-23 1991-01-23 Rear projection screen

Publications (1)

Publication Number Publication Date
DK0496445T3 true DK0496445T3 (da) 1996-09-16

Family

ID=24586091

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92200081.5T DK0496445T3 (da) 1991-01-23 1992-01-14 Bagprojektionsskærm

Country Status (6)

Country Link
US (1) US5076661A (ja)
EP (1) EP0496445B1 (ja)
JP (1) JPH07119928B2 (ja)
KR (1) KR100229971B1 (ja)
DE (1) DE69211026T2 (ja)
DK (1) DK0496445T3 (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448401A (en) * 1992-12-25 1995-09-05 Sony Corporation Screen of projection display
JPH06250291A (ja) * 1993-02-26 1994-09-09 Hitachi Ltd ２次元モアレ低減形投写形ディスプレイ
JPH06347613A (ja) * 1993-06-04 1994-12-22 Dainippon Printing Co Ltd フィルムレンズ及びその製造方法
US5706062A (en) * 1993-06-20 1998-01-06 Unic View Ltd. Projector system including keystone correction
US5617152A (en) * 1993-06-20 1997-04-01 Unic View Ltd. Projector system for video and computer generated information
US5481385A (en) * 1993-07-01 1996-01-02 Alliedsignal Inc. Direct view display device with array of tapered waveguide on viewer side
JP3223685B2 (ja) * 1994-01-28 2001-10-29 松下電器産業株式会社 画像投写装置および投写スクリーン
US5521726A (en) * 1994-08-26 1996-05-28 Alliedsignal Inc. Polarizer with an array of tapered waveguides
US5657408A (en) * 1994-12-23 1997-08-12 Alliedsignal Inc. Optical device comprising a plurality of units having at least two geometrically-differentiated tapered optical waveguides therein
US6969635B2 (en) 2000-12-07 2005-11-29 Reflectivity, Inc. Methods for depositing, releasing and packaging micro-electromechanical devices on wafer substrates
US5757550A (en) * 1995-10-31 1998-05-26 Eastman Kodak Company Dual-view imaging product
DE69701978T2 (de) * 1996-03-18 2000-10-19 Scan Vision Screen Aps Roskild Rückprojektionsschirm
GB9715397D0 (en) 1997-07-23 1997-09-24 Philips Electronics Nv Lenticular screen adaptor
JPH1195005A (ja) * 1997-09-19 1999-04-09 Dainippon Printing Co Ltd レンチキュラーレンズシートとその製造方法及び透過型スクリーン
US6962419B2 (en) 1998-09-24 2005-11-08 Reflectivity, Inc Micromirror elements, package for the micromirror elements, and projection system therefor
US7012731B2 (en) 2000-08-30 2006-03-14 Reflectivity, Inc Packaged micromirror array for a projection display
US6373637B1 (en) * 2000-09-13 2002-04-16 Eastman Kodak Company Diagonal lenticular image system
US7023606B2 (en) 2001-08-03 2006-04-04 Reflectivity, Inc Micromirror array for projection TV
JP2004145251A (ja) * 2002-08-30 2004-05-20 Seiko Epson Corp 透過型スクリーン及びリア型プロジェクタ
US7042622B2 (en) 2003-10-30 2006-05-09 Reflectivity, Inc Micromirror and post arrangements on substrates
US20050007664A1 (en) * 2003-07-07 2005-01-13 Harris Ellis D. Lenticular lens for display

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618198A (en) * 1947-11-22 1952-11-18 Eastman Kodak Co Projection screen
BE792745A (fr) * 1971-12-15 1973-03-30 Freen Ltd Ecran pour projection par transparence
US3809457A (en) * 1972-10-13 1974-05-07 Eastman Kodak Co Radiation-redistributive devices
US4374609A (en) * 1981-05-21 1983-02-22 Zenith Radio Corporation Image projection screen with decreased color shift as a function of viewing angle, and method of manufacture
JPS59111137A (ja) * 1982-12-15 1984-06-27 Dainippon Printing Co Ltd 透過型スクリ−ン
US4573764A (en) * 1983-12-30 1986-03-04 North American Philips Consumer Electronics Corp. Rear projection screen
JPH077179B2 (ja) * 1984-06-13 1995-01-30 株式会社日立製作所 画像投写装置
JP2732496B2 (ja) * 1988-08-04 1998-03-30 大日本印刷株式会社 透過形スクリーン
JP2888297B2 (ja) * 1988-11-01 1999-05-10 大日本印刷株式会社 プロジェクタ
ES2013569A6 (es) * 1989-06-21 1990-05-01 Dominguez Montes Juan Pantalla mejorada para reproduccion de imagenes tridimensionales e estaticas o en movimiento y procedimiento para fabricarla.

Also Published As

Publication number Publication date
DE69211026D1 (de) 1996-07-04
JPH07119928B2 (ja) 1995-12-20
EP0496445A2 (en) 1992-07-29
JPH04323633A (ja) 1992-11-12
US5076661A (en) 1991-12-31
DE69211026T2 (de) 1996-11-28
EP0496445B1 (en) 1996-05-29
KR100229971B1 (ko) 1999-11-15
EP0496445A3 (en) 1992-08-19
KR920015411A (ko) 1992-08-26

Similar Documents

Publication Publication Date Title
DE69215436D1 (de) Projektor
DE69131357T2 (de) Projektor
DK0727056T3 (da) Bagprojektionsskærm
DK0496445T3 (da) Bagprojektionsskærm
DE69211225T2 (de) Projektor
ATA131391A (de) Reibring
FI934710A0 (fi) 4-aryl-3-(heteroarylureido)kinolinderivat
DE69221471D1 (de) Photographisches bleichmittel
ITRM920614A1 (it) Proiettore per veicoli
FI934447A (fi) Nytt immunhaemmande aemne fraon strptomyces braegensis
ATA170491A (de) Mauerstein
DE69224760D1 (de) Ethyl-6-formyloxy-4-hexenoat
FI924109A (fi) Tillkopplingsanordning foer dragmaskiner
IT1240725B (it) Proiettore per veicoli
DK16391D0 (da) Styrehus
KR930004983U (ko) 플라이가 일체로 형성된 렌즈
ITTO910276A1 (it) Proiettore per veicoli
KR930002100U (ko) 등 때밀이대
SE9202956D0 (sv) Offset projektor
KR920017909U (ko) 회계표
ATA3092A (de) Zielfernrohr
DK200391D0 (da) Special soem
DK178191A (da) Baglysprojektionsskaerm
DK131291D0 (da) Baglysprojektionsskaerm
DE59208807D1 (de) Objektiv