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WO2004051364A3 - Ecran de projection frontale - Google Patents

Ecran de projection frontale Download PDF

Info

Publication number
WO2004051364A3
WO2004051364A3 PCT/ZA2003/000164 ZA0300164W WO2004051364A3 WO 2004051364 A3 WO2004051364 A3 WO 2004051364A3 ZA 0300164 W ZA0300164 W ZA 0300164W WO 2004051364 A3 WO2004051364 A3 WO 2004051364A3
Authority
WO
WIPO (PCT)
Prior art keywords
screen
image
projection
alternatively
adjacent
Prior art date
Application number
PCT/ZA2003/000164
Other languages
English (en)
Other versions
WO2004051364A2 (fr
Inventor
Patrick Normand Argall
Original Assignee
Patrick Normand Argall
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 Patrick Normand Argall filed Critical Patrick Normand Argall
Priority to AU2003302535A priority Critical patent/AU2003302535A1/en
Publication of WO2004051364A2 publication Critical patent/WO2004051364A2/fr
Publication of WO2004051364A3 publication Critical patent/WO2004051364A3/fr

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

L'invention concerne un écran de projection frontale qui produit une image correcte à température de couleur réaliste avec profondeur de champ, tout en masquant la pixilation générée par le projecteur, ce qui permet de produire une image réaliste, lissée et de qualité élevée. Dans un mode de réalisation préféré de la présente invention, cet écran de projection frontale comprend un substrat rigide surmonté d'une surface miroir réfléchissante (12). Une couche transparente (13) ou une couche transparente stratifiée ou coulée est appliquée sur cette surface. Une couche translucide (14) ou une pellicule translucide stratifiée est appliquée sur ladite surface transparente. D'autres couches peuvent être ajoutées à la structure de l'écran et/ou d'autres éléments peuvent être intégrés dans les différentes couches pour corriger la couleur ou l'image ou modifier les propriétés optiques de l'écran ou faciliter sa production.
PCT/ZA2003/000164 2002-11-05 2003-11-05 Ecran de projection frontale WO2004051364A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003302535A AU2003302535A1 (en) 2002-12-05 2003-11-05 A projection screen for front projection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200208951 2002-12-05
ZA2002/8951 2002-12-05

Publications (2)

Publication Number Publication Date
WO2004051364A2 WO2004051364A2 (fr) 2004-06-17
WO2004051364A3 true WO2004051364A3 (fr) 2004-07-15

Family

ID=32470940

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2003/000164 WO2004051364A2 (fr) 2002-11-05 2003-11-05 Ecran de projection frontale

Country Status (2)

Country Link
AU (1) AU2003302535A1 (fr)
WO (1) WO2004051364A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070073543A (ko) 2006-01-05 2007-07-10 최해용 고선명 박막 반사 스크린
CN110868579A (zh) * 2019-12-19 2020-03-06 嘉兴市永旺企业管理咨询有限公司 一种演讲屏

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767186A (en) * 1987-10-06 1988-08-30 North American Philips Consumer Electronics Corp. Front projection screen with rear light concentrating lens array
US5473469A (en) * 1994-05-12 1995-12-05 Philips Electronics North America Corporation Front projection screen with lenticular front surface
GB2314943A (en) * 1996-07-01 1998-01-14 Nashua Corp Projection or depixelating screen
US20020012165A1 (en) * 1997-02-28 2002-01-31 Kuraray Co., Ltd. Rear Projection Image Display Apparatus Including Light Exit Surface Configured to Reduce Noise

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767186A (en) * 1987-10-06 1988-08-30 North American Philips Consumer Electronics Corp. Front projection screen with rear light concentrating lens array
US5473469A (en) * 1994-05-12 1995-12-05 Philips Electronics North America Corporation Front projection screen with lenticular front surface
GB2314943A (en) * 1996-07-01 1998-01-14 Nashua Corp Projection or depixelating screen
US20020012165A1 (en) * 1997-02-28 2002-01-31 Kuraray Co., Ltd. Rear Projection Image Display Apparatus Including Light Exit Surface Configured to Reduce Noise

Also Published As

Publication number Publication date
WO2004051364A2 (fr) 2004-06-17
AU2003302535A1 (en) 2004-06-23

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