BE792745A - Ecran pour projection par transparence - Google Patents

Ecran pour projection par transparence

Info

Publication number
BE792745A
BE792745A BE792745DA BE792745A BE 792745 A BE792745 A BE 792745A BE 792745D A BE792745D A BE 792745DA BE 792745 A BE792745 A BE 792745A
Authority
BE
Belgium
Prior art keywords
projection screen
transparency projection
transparency
screen
projection
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Freen 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.)
Publication date
Publication of BE792745A publication Critical patent/BE792745A/xx

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
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
BE792745D 1971-12-15 Ecran pour projection par transparence BE792745A (fr)

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
BE792745A true BE792745A (fr) 1973-03-30

Family

ID=10481121

Family Applications (1)

Application Number Title Priority Date Filing Date
BE792745D BE792745A (fr) 1971-12-15 Ecran pour projection par transparence

Country Status (11)

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

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 (pt) * 1979-11-08 1989-08-30
JPH0233231Y2 (pt) * 1979-11-08 1990-09-07
JPS6347866Y2 (pt) * 1980-02-08 1988-12-09
JPS56158328A (en) * 1980-04-08 1981-12-07 Matsushita Electric Ind Co Ltd Transmission type screen
JPS56158329A (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
JPS58160940A (ja) * 1982-03-19 1983-09-24 Dainippon Printing Co Ltd 透過型映写用スクリ−ン板
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
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
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
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
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
US4482206A (en) * 1983-04-21 1984-11-13 Rca Corporation Rear projection television screen having a multi-surface Fresnel lens
US4512631A (en) * 1983-04-21 1985-04-23 Rca Corporation Rear projection television screen incorporating a prism 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
DE2260885A1 (de) 1973-06-20
NL7217094A (pt) 1973-06-19
FR2167053A5 (pt) 1973-08-17
CA968598A (en) 1975-06-03
BR7208771D0 (pt) 1973-09-13
US3830556A (en) 1974-08-20
AU5002372A (en) 1974-07-11
IT984646B (it) 1974-11-20
GB1419945A (en) 1975-12-31
JPS4877830A (pt) 1973-10-19

Similar Documents

Publication Publication Date Title
BE792745A (fr) Ecran pour projection par transparence
BE788915A (fr) Projecteur
AT316043B (de) Siebformkörper
CH520344A (fr) Ecran de projection
BR7207321D0 (pt) Dentifricio visualmente transparente
SE394527B (sv) Projektionsskerm
IT973487B (it) Scatola luminosa antiabbagliante
BE748613A (fr) Nouvel ecran translucide de projection
DE2110200B2 (de) Planierhobel
BE783069A (fr) Visionneuse-tireuse pour microfilms
FI53918B (fi) Transparent tandkraem
AT307879B (de) Kinoprojektor
CH503282A (de) Projektionsschirm
BE781336A (fr) Ecran de projection ameliore
SE373675B (sv) Bildskerm for projektionsendamal
CH544320A (de) Projektions-Bildwand
AT319043B (de) Vergrößerungsgerät
IT949901B (it) Proiettore con riflettore orientabile
IT950445B (it) Proiettore cinematografico
BR7206331D0 (pt) Acendedor piroforico
BR7201475D0 (pt) Peneira mecanica
IT960626B (it) Schermo di proiezione
IT953873B (it) Proiettore cinematografico
IT952876B (it) Proiettore cinematografico
IT964254B (it) Dispositivo antiabbagliante