DK281387D0 - Massespredeglas til en projektionsskaerm - Google Patents

Massespredeglas til en projektionsskaerm

Info

Publication number
DK281387D0
DK281387D0 DK281387A DK281387A DK281387D0 DK 281387 D0 DK281387 D0 DK 281387D0 DK 281387 A DK281387 A DK 281387A DK 281387 A DK281387 A DK 281387A DK 281387 D0 DK281387 D0 DK 281387D0
Authority
DK
Denmark
Prior art keywords
spreadgles
mass
projection screen
projection
screen
Prior art date
Application number
DK281387A
Other languages
English (en)
Other versions
DK281387A (da
Inventor
Thomas Stewart Mckechnie
Jill Forer Goldenberg
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 DK281387D0 publication Critical patent/DK281387D0/da
Publication of DK281387A publication Critical patent/DK281387A/da

Links

Classifications

    • 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
    • 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)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DK281387A 1986-06-05 1987-06-02 Massespredeglas til en projektionsskaerm DK281387A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/871,009 US4679900A (en) 1986-06-05 1986-06-05 Bulk diffuser for a projection television screen

Publications (2)

Publication Number Publication Date
DK281387D0 true DK281387D0 (da) 1987-06-02
DK281387A DK281387A (da) 1987-12-06

Family

ID=25356522

Family Applications (1)

Application Number Title Priority Date Filing Date
DK281387A DK281387A (da) 1986-06-05 1987-06-02 Massespredeglas til en projektionsskaerm

Country Status (9)

Country Link
US (1) US4679900A (da)
EP (1) EP0248477B1 (da)
JP (1) JPH07104553B2 (da)
KR (1) KR960009877B1 (da)
CN (1) CN87103960A (da)
AU (1) AU586779B2 (da)
CA (1) CA1291658C (da)
DE (1) DE3782765T2 (da)
DK (1) DK281387A (da)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700135A (nl) * 1987-01-21 1988-08-16 Philips Nv Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm.
US4730897A (en) * 1987-04-21 1988-03-15 North American Philips Corporation Projection screen having high resolution and good mechanical stability
US4773731A (en) * 1987-08-28 1988-09-27 North American Philips Corp. One-piece projection screen
JPH0627921B2 (ja) * 1987-10-19 1994-04-13 三菱電機株式会社 拡大投写装置
NL8902112A (nl) * 1989-08-22 1991-03-18 Philips Nv Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm.
US5040870A (en) * 1989-10-13 1991-08-20 Sumitomo Chemical Company, Limited Screen for projection
US5307205A (en) * 1992-03-20 1994-04-26 Rohm And Haas Company Bilayer rear projection screens
JPH06165095A (ja) * 1992-11-25 1994-06-10 Sony Corp リア型プロジェクター用スクリーン
US5481385A (en) * 1993-07-01 1996-01-02 Alliedsignal Inc. Direct view display device with array of tapered waveguide on viewer side
JPH07318708A (ja) * 1994-03-29 1995-12-08 Toray Ind Inc 光透過型光拡散シート並びに画像表示装置およびその製造方法
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
US5932342A (en) * 1996-11-14 1999-08-03 Nashua Corporation Optical diffusers obtained by fluid phase mixing of incompatible materials
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
US6962419B2 (en) 1998-09-24 2005-11-08 Reflectivity, Inc Micromirror elements, package for the micromirror elements, and projection system therefor
US6407859B1 (en) * 1999-01-13 2002-06-18 3M Innovative Properties Company Fresnel lens for projection screen
US6317263B1 (en) * 1999-06-18 2001-11-13 3M Innovative Properties Company Projection screen using dispersing lens array for asymmetric viewing angle
US6624934B1 (en) * 1999-06-18 2003-09-23 3M Innovative Properties Company Projection screen using variable power lenticular lens for asymmetric viewing angle
US6466368B1 (en) 2000-04-26 2002-10-15 3M Innovative Properties Company Rear projection screen with reduced speckle
US7012731B2 (en) * 2000-08-30 2006-03-14 Reflectivity, Inc Packaged micromirror array for a projection display
US7023606B2 (en) * 2001-08-03 2006-04-04 Reflectivity, Inc Micromirror array for projection TV
US20040032539A1 (en) * 2002-08-19 2004-02-19 Sz-Lung You Rear-projection television set
US7042622B2 (en) * 2003-10-30 2006-05-09 Reflectivity, Inc Micromirror and post arrangements on substrates
KR100768038B1 (ko) 2006-10-24 2007-10-17 한국전기연구원 균일한 내부 전반사 조명에 의한 바이오칩 측정 장치 및방법
WO2008094159A1 (en) * 2007-02-01 2008-08-07 Donald Joseph Wagner Refractive spectrum splitting concentrator system
CN110083005A (zh) * 2018-01-23 2019-08-02 台湾扬昕股份有限公司 背投屏幕
CN208110256U (zh) * 2018-03-21 2018-11-16 中强光电股份有限公司 背投影幕

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614199A (en) * 1968-07-03 1971-10-19 Gerald Altman Reflex reflecting products, processes and devices useful with such products
US3712707A (en) * 1970-02-27 1973-01-23 Gen Electric Composite back projection screen and method of forming
US3827783A (en) * 1970-06-24 1974-08-06 J Lemelson Optical sheet material
US3751135A (en) * 1971-06-25 1973-08-07 E Clausen Rear projection screen
JPS56106237A (en) * 1980-01-29 1981-08-24 Matsushita Electric Ind Co Ltd Transmissive screen and its manufacture
JPS58192023A (ja) * 1982-05-06 1983-11-09 Dainippon Printing Co Ltd レンチキユラ−レンズシ−ト
JPS58221833A (ja) * 1982-05-07 1983-12-23 Dainippon Printing Co Ltd レンチキユラ−シ−ト
US4573764A (en) * 1983-12-30 1986-03-04 North American Philips Consumer Electronics Corp. Rear projection screen
JPS606935A (ja) * 1984-04-06 1985-01-14 Matsushita Electric Ind Co Ltd 透過形スクリ−ン

Also Published As

Publication number Publication date
DE3782765T2 (de) 1993-06-03
EP0248477A3 (en) 1989-07-19
AU7381287A (en) 1987-12-10
KR880000813A (ko) 1988-03-29
US4679900A (en) 1987-07-14
KR960009877B1 (ko) 1996-07-24
AU586779B2 (en) 1989-07-20
DE3782765D1 (de) 1993-01-07
CN87103960A (zh) 1988-01-27
JPH07104553B2 (ja) 1995-11-13
EP0248477B1 (en) 1992-11-25
CA1291658C (en) 1991-11-05
EP0248477A2 (en) 1987-12-09
DK281387A (da) 1987-12-06
JPS62293234A (ja) 1987-12-19

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment