BE434150A - - Google Patents

Info

Publication number
BE434150A
BE434150A BE434150DA BE434150A BE 434150 A BE434150 A BE 434150A BE 434150D A BE434150D A BE 434150DA BE 434150 A BE434150 A BE 434150A
Authority
BE
Belgium
Prior art keywords
width
screen
weaving
law
dimensions
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE434150A publication Critical patent/BE434150A/fr

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
BE434150D BE434150A (cs)

Publications (1)

Publication Number Publication Date
BE434150A true BE434150A (cs)

Family

ID=93366

Family Applications (1)

Application Number Title Priority Date Filing Date
BE434150D BE434150A (cs)

Country Status (1)

Country Link
BE (1) BE434150A (cs)

Similar Documents

Publication Publication Date Title
CN100487566C (zh) 投影屏幕和具备该投影屏幕的投影系统
JP3902725B2 (ja) 低い反射率を有する光の透過および分散のフィルタ
JP6181887B2 (ja) 照明システム、複数の照明システムを含むアレイ、部屋、及び建築物
US7408707B2 (en) Multi-region light scattering element
JP2005031502A (ja) スクリーン
EP0425371B1 (fr) Procédé de fabrication d'un module agrandisseur d'images pour panneaux lumineux à fibres optiques
JP2016505870A (ja) バンディング効果が軽減した反射型若しくは半透過型オートステレオスコピックディスプレイ
JP2008076522A (ja) 反射型スクリーンおよびその製造方法
CN100492163C (zh) 反射型屏幕
US3692384A (en) Curved projection screens
US3069974A (en) Multi-layered light polarizers
CN106030404B (zh) 用于激光投影的高性能屏幕
BE434150A (cs)
JP2010204226A (ja) 透過型スクリーン
US7354164B2 (en) Dispersing and polarizing light filter
JP2020086085A (ja) 調光機能付き反射型プロジェクションスクリーン
US1506729A (en) Screen for moving-picture production
TW201918784A (zh) 長焦型抗環境光幕
JP7159786B2 (ja) プロジェクションシステム及びその使用方法
EP1230581A1 (fr) Ecran d'image haute definition
FR2607301A1 (fr) Dispositif d'affichage modulaire a cristaux liquides
Cheng et al. Sunlight readable transmissive LCDs
JP2004109300A (ja) 背面投射用スクリーンおよび背面投射型表示装置
Ding et al. 29.1: Invited Paper: A Study on the Micro‐Lens Arrays Combination based Optical Film for Optical Field Optimized Projection Display
JP3682180B2 (ja) 投射型スクリーン