IT984646B - Schermo trasparente posteriore di proiezione - Google Patents

Schermo trasparente posteriore di proiezione

Info

Publication number
IT984646B
IT984646B IT54751/72A IT5475172A IT984646B IT 984646 B IT984646 B IT 984646B IT 54751/72 A IT54751/72 A IT 54751/72A IT 5475172 A IT5475172 A IT 5475172A IT 984646 B IT984646 B IT 984646B
Authority
IT
Italy
Prior art keywords
projection screen
rear projection
transparent rear
transparent
screen
Prior art date
Application number
IT54751/72A
Other languages
English (en)
Original Assignee
Freen A Ltd
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 Freen A Ltd filed Critical Freen A Ltd
Application granted granted Critical
Publication of IT984646B publication Critical patent/IT984646B/it

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/60Projection screens characterised by the nature of the surface
    • G03B21/62Translucent screens
    • G03B21/625Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
IT54751/72A 1971-12-15 1972-12-15 Schermo trasparente posteriore di proiezione IT984646B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5824371A GB1419945A (en) 1971-12-15 1971-12-15 Reag projection screen

Publications (1)

Publication Number Publication Date
IT984646B true IT984646B (it) 1974-11-20

Family

ID=10481121

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54751/72A IT984646B (it) 1971-12-15 1972-12-15 Schermo trasparente posteriore di proiezione

Country Status (11)

Country Link
US (1) US3830556A (it)
JP (1) JPS4877830A (it)
AU (1) AU5002372A (it)
BE (1) BE792745A (it)
BR (1) BR7208771D0 (it)
CA (1) CA968598A (it)
DE (1) DE2260885A1 (it)
FR (1) FR2167053A5 (it)
GB (1) GB1419945A (it)
IT (1) IT984646B (it)
NL (1) NL7217094A (it)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118114A (en) * 1974-08-21 1978-10-03 Minnesota Mining And Manufacturing Company Low-glare overhead projector
JPH0128500Y2 (it) * 1979-11-08 1989-08-30
JPH0233231Y2 (it) * 1979-11-08 1990-09-07
JPS6347866Y2 (it) * 1980-02-08 1988-12-09
JPS56158329A (en) * 1980-04-08 1981-12-07 Matsushita Electric Ind Co Ltd Transmission type screen
JPS56158328A (en) * 1980-04-08 1981-12-07 Matsushita Electric Ind Co Ltd Transmission type screen
DE3018449C2 (de) * 1980-05-14 1983-01-05 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Projektionsschirmeinrichtung
US4387959A (en) * 1981-01-06 1983-06-14 Zenith Radio Corporation Rear projection screen
US4418986A (en) * 1981-04-07 1983-12-06 Mitsubishi Rayon Co., Ltd. Rear projection screen
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
US4469402A (en) * 1981-06-15 1984-09-04 Mitsubishi Rayon Co., Ltd. Rear projection screen
JPS5819804A (ja) * 1981-07-28 1983-02-05 株式会社東芝 照明装置
GB2111281B (en) * 1981-11-26 1985-08-21 English Electric Valve Co Ltd Display arrangements
JPS58108523A (ja) * 1981-12-23 1983-06-28 Toshiba Corp 光屈折拡散板装置
JPS58145933A (ja) * 1982-02-25 1983-08-31 Mitsubishi Rayon Co Ltd 背面投影スクリ−ン
JPS58141231U (ja) * 1982-03-19 1983-09-22 大日本印刷株式会社 透過型映写用スクリ−ン板
JPS58160940A (ja) * 1982-03-19 1983-09-24 Dainippon Printing Co Ltd 透過型映写用スクリ−ン板
JPS58160939A (ja) * 1982-03-19 1983-09-24 Dainippon Printing Co Ltd エンボス焦点板
US4452509A (en) * 1982-04-28 1984-06-05 Rca Corporation Projection television screen having a selected audience envelope
JPS58221833A (ja) * 1982-05-07 1983-12-23 Dainippon Printing Co Ltd レンチキユラ−シ−ト
JPS5987042U (ja) * 1982-12-03 1984-06-12 大日本印刷株式会社 レンチキユラ−レンズ板
DK162413C (da) * 1982-06-10 1992-03-23 Dainippon Printing Co Ltd Bagfra belyst projektionsskaerm
JPS58216233A (ja) * 1982-06-10 1983-12-15 Dainippon Printing Co Ltd 透過型投影スクリ−ン用レンズ板
JPS58216235A (ja) * 1982-06-10 1983-12-15 Dainippon Printing Co Ltd 透過型投影スクリ−ン
JPS5923334A (ja) * 1982-07-29 1984-02-06 Victor Co Of Japan Ltd 透過式スクリ−ン
JPS59121034A (ja) * 1982-12-27 1984-07-12 Mitsubishi Rayon Co Ltd 透過型スクリ−ン
JPS59133535A (ja) * 1983-01-20 1984-07-31 Dainippon Printing Co Ltd 透過型スクリ−ン
US4512631A (en) * 1983-04-21 1985-04-23 Rca Corporation Rear projection television screen incorporating a prism lens
US4482206A (en) * 1983-04-21 1984-11-13 Rca Corporation Rear projection television screen having a multi-surface Fresnel lens
AU571663B2 (en) * 1984-04-05 1988-04-21 Fmc Corporation Latchable platform attachment to crane boom
US4606609A (en) * 1985-08-12 1986-08-19 Hong Sung K Projection screen
NL8503526A (nl) * 1985-12-20 1987-07-16 Philips Nv Doorzichtprojektiescherm.
NL8700135A (nl) * 1987-01-21 1988-08-16 Philips Nv Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm.
JP2656770B2 (ja) * 1987-07-21 1997-09-24 三菱レイヨン株式会社 透過型スクリーン
JP2695422B2 (ja) * 1988-01-14 1997-12-24 三菱レイヨン株式会社 透過型スクリーン
JPH0830848B2 (ja) * 1988-04-15 1996-03-27 株式会社日立製作所 マルチスクリーンプロジェクタ
US4927233A (en) * 1989-03-06 1990-05-22 Mitsubishi Rayon Co., Ltd. Rear projection screen
US5076661A (en) * 1991-01-23 1991-12-31 North American Philips Corp. Rear projection screen
US5642226A (en) * 1995-01-18 1997-06-24 Rosenthal; Bruce A. Lenticular optical system
US5757550A (en) * 1995-10-31 1998-05-26 Eastman Kodak Company Dual-view imaging product
GB9613802D0 (en) * 1996-07-01 1996-09-04 Nashua Corp Improvements in or relating to light diffusers
JPH10239777A (ja) * 1997-02-28 1998-09-11 Kuraray Co Ltd 背面投写型映像表示装置
JP3822961B2 (ja) * 1997-09-11 2006-09-20 大日本印刷株式会社 レンチキュラーレンズシート及び透過型スクリーン
EP0941500A1 (en) * 1997-09-26 1999-09-15 Koninklijke Philips Electronics N.V. Image projection screen
JP3931936B2 (ja) * 1998-05-11 2007-06-20 セイコーエプソン株式会社 マイクロレンズアレイ基板及びその製造方法並びに表示装置
WO2001014927A1 (en) * 1999-08-24 2001-03-01 U.S. Precision Lens Incorporated Screen for rear projection display
US6970289B1 (en) 2000-08-23 2005-11-29 Corning Incorporated Screen for rear projection display
EP1366388A4 (en) * 2001-02-07 2007-08-29 Corning Prec Lens Inc SCREEN WITH HIGH CONTRAST AND RANDOM MICROLINE ARRAY
JP2002311509A (ja) * 2001-04-16 2002-10-23 Dainippon Printing Co Ltd レンチキュラーレンズシートおよびこれを用いたスクリーン

Also Published As

Publication number Publication date
BR7208771D0 (pt) 1973-09-13
BE792745A (fr) 1973-03-30
FR2167053A5 (it) 1973-08-17
CA968598A (en) 1975-06-03
US3830556A (en) 1974-08-20
AU5002372A (en) 1974-07-11
DE2260885A1 (de) 1973-06-20
GB1419945A (en) 1975-12-31
NL7217094A (it) 1973-06-19
JPS4877830A (it) 1973-10-19

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