GB1520582A - Daylight projection screens - Google Patents

Daylight projection screens

Info

Publication number
GB1520582A
GB1520582A GB9783/76A GB978376A GB1520582A GB 1520582 A GB1520582 A GB 1520582A GB 9783/76 A GB9783/76 A GB 9783/76A GB 978376 A GB978376 A GB 978376A GB 1520582 A GB1520582 A GB 1520582A
Authority
GB
United Kingdom
Prior art keywords
layer
screen
lens elements
march
collodion
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB9783/76A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of GB1520582A publication Critical patent/GB1520582A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
GB9783/76A 1975-03-15 1976-03-11 Daylight projection screens Expired GB1520582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2511390A DE2511390C2 (de) 1975-03-15 1975-03-15 Verfahren und Vorrichtung zur Herstellung von Tageslichtprojektionsschirmen sowie nach diesem Verfahren hergestellter Tageslichtprojektionsschirm

Publications (1)

Publication Number Publication Date
GB1520582A true GB1520582A (en) 1978-08-09

Family

ID=5941472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9783/76A Expired GB1520582A (en) 1975-03-15 1976-03-11 Daylight projection screens

Country Status (8)

Country Link
US (1) US4172219A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE839368A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1059352A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2511390C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2304938A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1520582A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1057977B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7602623A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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US4328410A (en) * 1978-08-24 1982-05-04 Slivinsky Sandra H Laser skiving system
DE3014361A1 (de) * 1980-04-15 1981-10-22 Marwitz & Hauser, 7000 Stuttgart Verfahren zum verzieren von brillengestellen
US4387959A (en) * 1981-01-06 1983-06-14 Zenith Radio Corporation Rear projection screen
JPS57195343A (en) * 1981-05-26 1982-12-01 Victor Co Of Japan Ltd Manufacture of reproducing stylus of variation detection type for electrostatic capacity value
DE3145278C2 (de) * 1981-11-14 1985-02-14 Schott-Zwiesel-Glaswerke Ag, 8372 Zwiesel Verfahren zum berührungslosen Abtragen von Material von der Oberfläche eines Glasgegenstandes und Vorrichtung zur Durchführung des Verfahrens
DK162413C (da) * 1982-06-10 1992-03-23 Dainippon Printing Co Ltd Bagfra belyst projektionsskaerm
US4550238A (en) * 1982-11-05 1985-10-29 Warner-Lambert Company Apparatus and method for sealing capsules
JPS59121034A (ja) * 1982-12-27 1984-07-12 Mitsubishi Rayon Co Ltd 透過型スクリ−ン
US4647519A (en) * 1983-08-24 1987-03-03 North American Philips Consumer Electronics Corp. Negative-working photoresist method of making rear-projection television screen viewing surface
GB8330257D0 (en) * 1983-11-12 1983-12-21 Lucas Ind Plc Optical assemblies for lamp units
JPS60136703A (ja) * 1983-11-28 1985-07-20 Sony Corp 光透過フィルタの製造方法
NL8400939A (nl) * 1984-03-23 1985-10-16 Drukker D & Zn Nv Werkwijze voor het bevestigen van een onderdeel uit diamant op metaal.
NL8503526A (nl) * 1985-12-20 1987-07-16 Philips Nv Doorzichtprojektiescherm.
US5216543A (en) * 1987-03-04 1993-06-01 Minnesota Mining And Manufacturing Company Apparatus and method for patterning a film
US6048588A (en) * 1988-07-08 2000-04-11 Cauldron Limited Partnership Method for enhancing chemisorption of material
US20030206342A1 (en) * 1993-05-12 2003-11-06 Bright View Technologies, Inc. Micro-lens array based light transmission screen
US6788460B2 (en) * 1998-04-15 2004-09-07 Duke University Projection screen apparatus
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
US5546202A (en) * 1994-06-17 1996-08-13 Hughes Training, Inc. Rear projection screen for high ambient light environments having a pinhole area substantially equal to luminous area of the light source
JP3155717B2 (ja) * 1996-10-24 2001-04-16 日本板硝子株式会社 マイクロレンズに対するレーザ加工方法
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
US6594079B1 (en) * 1999-08-04 2003-07-15 Agilent Technologies, Inc. Image screen and method of forming anti-reflective layer thereon
US6835535B2 (en) 2000-07-31 2004-12-28 Corning Incorporated Microlens arrays having high focusing efficiency
US7092165B2 (en) * 2000-07-31 2006-08-15 Corning Incorporated Microlens arrays having high focusing efficiency
KR100997608B1 (ko) 2000-07-31 2010-11-30 코닝 로체스터 포토닉스 코포레이션 빛을 제어하여 발산시키기 위한 구조 스크린의 제조방법
EP1366388A4 (en) 2001-02-07 2007-08-29 Corning Prec Lens Inc SCREEN WITH HIGH CONTRAST AND RANDOM MICROLINE ARRAY
WO2002063392A1 (en) * 2001-02-07 2002-08-15 Corning Incorporated Self-aligned aperture masks having high definition apertures
FR2836242B1 (fr) * 2002-02-18 2004-04-30 Synelec Telecom Multimedia Procede de fabrication d'un ecran de retroprojection
WO2003087927A2 (en) * 2002-04-12 2003-10-23 Duke University Projection screen apparatus
US7808706B2 (en) 2004-02-12 2010-10-05 Tredegar Newco, Inc. Light management films for displays
US7262912B2 (en) * 2004-02-12 2007-08-28 Bright View Technologies, Inc. Front-projection screens including reflecting layers and optically absorbing layers having apertures therein, and methods of fabricating the same
JP4238757B2 (ja) * 2004-03-19 2009-03-18 セイコーエプソン株式会社 透過型スクリーンおよび投写型表示装置
US7317577B2 (en) * 2004-05-14 2008-01-08 Eastman Kodak Company Methods for producing a black matrix on a lenticular lens
GB2417790B (en) * 2004-09-07 2006-11-08 Set Europ Ltd Lighting system
US20060061861A1 (en) * 2004-09-23 2006-03-23 Reflexite Corporation High performance rear-projection screen
US7092166B1 (en) 2005-04-25 2006-08-15 Bright View Technologies, Inc. Microlens sheets having multiple interspersed anamorphic microlens arrays
KR20060133484A (ko) * 2005-06-20 2006-12-26 히다치 막셀 가부시키가이샤 조명장치, 표시장치, 광학시트 및 그 제조방법
US7502169B2 (en) * 2005-12-07 2009-03-10 Bright View Technologies, Inc. Contrast enhancement films for direct-view displays and fabrication methods therefor
US7420742B2 (en) * 2005-12-07 2008-09-02 Bright View Technologies, Inc. Optically transparent electromagnetic interference (EMI) shields for direct-view displays
US20070195406A1 (en) * 2006-02-22 2007-08-23 Wood Robert L Screens, microstructure templates, and methods of forming the same
US7394594B2 (en) * 2006-05-08 2008-07-01 Bright View Technologies, Inc. Methods for processing a pulsed laser beam to create apertures through microlens arrays
US20080084611A1 (en) * 2006-10-05 2008-04-10 Bright View Technologies, Inc. Methods and Apparatus for Creating Apertures Through Microlens Arrays Using Curved Cradles, and Products Produced Thereby
CN101878437A (zh) * 2007-10-12 2010-11-03 明亮视角技术公司 光管理膜、背光单元以及相关结构
DE102018115967A1 (de) * 2018-07-02 2020-01-02 Bcs Automotive Interface Solutions Gmbh Verfahren sowie Anordnung zur Herstellung einer optischen Baugruppe

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR972333A (fr) * 1941-02-04 1951-01-29 Thomson Houston Comp Francaise Perfectionnements aux dispositifs de projection
US2338654A (en) * 1942-04-08 1944-01-04 Eastman Kodak Co Projection screen
US2358070A (en) * 1942-06-25 1944-09-12 Eastman Kodak Co Projection screen
US3435186A (en) * 1964-02-20 1969-03-25 Ibm Selective piercing and machining of sheet material
GB1138084A (en) * 1966-07-22 1968-12-27 Standard Telephones Cables Ltd Method of vapour depositing a material in the form of a pattern
US3523717A (en) * 1967-02-01 1970-08-11 Gen Electric Composite back projection screen
US3584183A (en) * 1968-10-03 1971-06-08 North American Rockwell Laser encoding of diode arrays
FR2030468A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-01-29 1970-11-13 Thomson Brandt Csf
US3665483A (en) * 1969-06-06 1972-05-23 Chase Manhattan Capital Corp Laser recording medium
US3617702A (en) * 1969-06-10 1971-11-02 Du Pont Apparatus and method for perforating sheet material
GB1316412A (en) * 1969-06-30 1973-05-09 Bradley D J Facsimile reproduction
US3704055A (en) * 1971-05-28 1972-11-28 Sung Kul Hong Projection screen
US3769488A (en) * 1972-01-19 1973-10-30 Hughes Aircraft Co Workload allocation for one or more tools in a laser cloth cutting system
US4000492A (en) * 1974-04-04 1976-12-28 Bell Telephone Laboratories, Incorporated Metal film recording media for laser writing

Also Published As

Publication number Publication date
NL7602623A (nl) 1976-08-31
DE2511390C2 (de) 1984-03-15
FR2304938A1 (fr) 1976-10-15
FR2304938B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-10-03
CA1059352A (en) 1979-07-31
IT1057977B (it) 1982-03-30
BE839368A (nl) 1976-09-10
US4172219A (en) 1979-10-23
DE2511390A1 (de) 1976-09-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee