DK0456518T3 - Projektionsskærm og fremgangsmåde til fremstilling heraf - Google Patents

Projektionsskærm og fremgangsmåde til fremstilling heraf

Info

Publication number
DK0456518T3
DK0456518T3 DK91304253T DK91304253T DK0456518T3 DK 0456518 T3 DK0456518 T3 DK 0456518T3 DK 91304253 T DK91304253 T DK 91304253T DK 91304253 T DK91304253 T DK 91304253T DK 0456518 T3 DK0456518 T3 DK 0456518T3
Authority
DK
Denmark
Prior art keywords
manufacture
projection screen
projection
screen
Prior art date
Application number
DK91304253T
Other languages
English (en)
Inventor
Kenichi Sakunaga
Shozo Saito
Mizuo Okada
Shigetada Nakagawa
Original Assignee
Mitsubishi Rayon 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
Priority claimed from JP2120005A external-priority patent/JP2839109B2/ja
Priority claimed from JP2143927A external-priority patent/JP2896801B2/ja
Priority claimed from JP2145906A external-priority patent/JP2847106B2/ja
Application filed by Mitsubishi Rayon Co filed Critical Mitsubishi Rayon Co
Application granted granted Critical
Publication of DK0456518T3 publication Critical patent/DK0456518T3/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
DK91304253T 1990-05-11 1991-05-10 Projektionsskærm og fremgangsmåde til fremstilling heraf DK0456518T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2120005A JP2839109B2 (ja) 1990-05-11 1990-05-11 投写スクリーン
JP2143927A JP2896801B2 (ja) 1990-06-01 1990-06-01 投写スクリーンおよびその製造方法
JP2145906A JP2847106B2 (ja) 1990-06-04 1990-06-04 投写スクリーンの製造方法

Publications (1)

Publication Number Publication Date
DK0456518T3 true DK0456518T3 (da) 1999-07-19

Family

ID=27313954

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91304253T DK0456518T3 (da) 1990-05-11 1991-05-10 Projektionsskærm og fremgangsmåde til fremstilling heraf

Country Status (4)

Country Link
US (1) US5121252A (da)
EP (1) EP0456518B1 (da)
KR (1) KR940004676B1 (da)
DK (1) DK0456518T3 (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5617152A (en) * 1993-06-20 1997-04-01 Unic View Ltd. Projector system for video and computer generated information
US5706062A (en) * 1993-06-20 1998-01-06 Unic View Ltd. Projector system including keystone correction
KR0147606B1 (ko) * 1994-11-25 1998-09-15 김광호 프로젝터용 스크린
US6130777A (en) * 1996-05-16 2000-10-10 Dai Nippon Printing Co., Ltd. Lenticular lens sheet with both a base sheet having lenticular elements and a surface diffusing part having elements of elementary shape smaller than lenticular elements
US6280063B1 (en) * 1997-05-09 2001-08-28 3M Innovative Properties Company Brightness enhancement article
US6597502B2 (en) * 1998-02-23 2003-07-22 Dai Nippon Printing Co., Ltd. Rear projection screen with uniformity of luminance
EP1271228A4 (en) * 1999-10-18 2003-04-09 Bolin Sun LARGE DIMENSION PROJECTION SCREEN
DE20003848U1 (de) * 2000-03-02 2001-04-12 Bauglasindustrie Gmbh Durchlicht-Projektionswand
JP2002006401A (ja) * 2000-06-26 2002-01-09 Olympus Optical Co Ltd 背面投射型プロジェクタ用スクリーン
WO2002025369A1 (fr) * 2000-09-21 2002-03-28 Hitachi, Ltd. Unite de visualisation
US6807003B2 (en) * 2000-12-26 2004-10-19 Olympus Optical Co., Ltd. Optical sheet, optical sheet manufacturing system, and optical sheet cutting machine
TW586322B (en) * 2002-12-18 2004-05-01 Prodisc Technology Inc Rear projection screen, optical component of a rear projection screen and method for manufacturing thereof
TW589904B (en) * 2002-12-18 2004-06-01 Prodisc Technology Inc Rear projection screen, optical component of rear projection screen and method for manufacturing thereof
CN100595630C (zh) * 2003-03-12 2010-03-24 艾利丹尼森公司 光透射滤光器及其制造方法
JP3973217B2 (ja) * 2003-07-01 2007-09-12 日本板硝子株式会社 樹脂正立レンズアレイおよびその製造方法
US20050226590A1 (en) * 2004-04-07 2005-10-13 Patel Falgun D Variable optical attenuator based on rare earth doped glass
US20060187544A1 (en) * 2005-02-23 2006-08-24 David Wiener Flexible screen for front and rear projection
WO2007023482A2 (en) * 2005-08-22 2007-03-01 Nds Limited Movie copy protection
US7808708B2 (en) * 2007-02-01 2010-10-05 Reald Inc. Aperture correction for lenticular screens

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1110786A (en) * 1964-09-29 1968-04-24 Ici Ltd Polymer extrusion process
US3561840A (en) * 1967-12-22 1971-02-09 Hitachi Ltd Projection screen
US4006965A (en) * 1974-04-18 1977-02-08 Ryosaku Takada Projection screen
NL8600043A (nl) * 1986-01-10 1987-08-03 Philips Nv Doorzicht projectiescherm en werkwijze voor de vervaardiging daarvan.
NL8600944A (nl) * 1986-04-15 1987-11-02 Philips Nv Doorzicht projectiescherm en werkwijze voor de vervaardiging daarvan.
JPH0782194B2 (ja) * 1986-06-04 1995-09-06 株式会社日立製作所 レンチキユラ−レンズシ−ト
US4767186A (en) * 1987-10-06 1988-08-30 North American Philips Consumer Electronics Corp. Front projection screen with rear light concentrating lens array
NL8801361A (nl) * 1988-05-27 1989-12-18 Koninkl Philips Electronics Nv Opzichtprojektiescherm.
JPH028829A (ja) * 1988-06-28 1990-01-12 Mitsubishi Rayon Co Ltd 透過型スクリーンの製造方法
EP0371432B1 (en) * 1988-11-28 1995-07-05 Mitsubishi Rayon Co., Ltd. Transmission type screen and method of manufacturing the same

Also Published As

Publication number Publication date
EP0456518A2 (en) 1991-11-13
KR910020462A (ko) 1991-12-20
EP0456518A3 (en) 1992-12-09
KR940004676B1 (ko) 1994-05-27
US5121252A (en) 1992-06-09
EP0456518B1 (en) 1998-11-04

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