BE432608A - - Google Patents
Info
- Publication number
- BE432608A BE432608A BE432608DA BE432608A BE 432608 A BE432608 A BE 432608A BE 432608D A BE432608D A BE 432608DA BE 432608 A BE432608 A BE 432608A
- Authority
- BE
- Belgium
- Prior art keywords
- elements
- translucent
- transparent
- matt
- glass
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002966 varnish Substances 0.000 claims description 3
- -1 color Substances 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE432608A true BE432608A (pm) |
Family
ID=92147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE432608D BE432608A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE432608A (pm) |
-
0
- BE BE432608D patent/BE432608A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2972271B2 (ja) | 透過型スクリーン及びそれに用いられるシート状部材の製造方法、並びにそのスクリーンを用いた背面投写型画像ディスプレイ装置 | |
| CA2151056C (en) | Liquid crystal display device comprising reflective holographic optical element | |
| DE60220365T2 (de) | Projektionssystem mit selektiv reflektierendem Schirm | |
| US4725134A (en) | Rear projection apparatus | |
| KR100373664B1 (ko) | 낮은 반사도를 갖는 광투과 및 분산 필터 | |
| DE19700162B4 (de) | Verfahren zur Herstellung eines holografischen Bildschirms für die Laseraufprojektion | |
| WO2004104694A1 (ja) | 反射型スクリーン | |
| JP3936412B2 (ja) | フレネルレンズシート及び透過型スクリーン | |
| USRE33795E (en) | Rear projection apparatus | |
| CN100492163C (zh) | 反射型屏幕 | |
| US11194243B2 (en) | Projection screen and projection system | |
| US6346311B1 (en) | Projection screen material and methods of manufacture | |
| KR100197600B1 (ko) | 코팅무늬를 갖는 홀로그래픽 스크린 | |
| JPWO2004104695A1 (ja) | 反射型スクリーン | |
| US8049960B1 (en) | Contrast rear projection screen and method for manufacturing the same | |
| BE432608A (pm) | ||
| CN110554558A (zh) | 一种高对比度反射屏幕 | |
| FR2652667A1 (fr) | Panneau a source lumineuse superficielle. | |
| US6002500A (en) | Holographic screen including convex protrusions | |
| US1506729A (en) | Screen for moving-picture production | |
| US6788451B2 (en) | Method for obtaining a printed product with visual effects, and printed product | |
| EP1230581A1 (fr) | Ecran d'image haute definition | |
| US11762266B2 (en) | Interference lens and projection ambient lamp | |
| JP2004302005A (ja) | 透過型スクリーン | |
| KR100194045B1 (ko) | 프로젝션 텔레비젼 |