BE502425A - - Google Patents
Info
- Publication number
- BE502425A BE502425A BE502425DA BE502425A BE 502425 A BE502425 A BE 502425A BE 502425D A BE502425D A BE 502425DA BE 502425 A BE502425 A BE 502425A
- Authority
- BE
- Belgium
- Prior art keywords
- screen
- less
- pan
- optical
- mass
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000004753 textile Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 229940037003 alum Drugs 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 235000011126 aluminium potassium sulphate Nutrition 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 210000000887 face Anatomy 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 230000021615 conjugation Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- 210000001061 forehead Anatomy 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- -1 zinc oxide Chemical class 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 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
- G03B21/606—Projection screens characterised by the nature of the surface for relief projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502425A true BE502425A (enrdf_load_html_response) |
Family
ID=143957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502425D BE502425A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE502425A (enrdf_load_html_response) |
-
0
- BE BE502425D patent/BE502425A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014117938A1 (de) | Sicherheitselement mit rinnen- oder rippenförmigen strukturelementen | |
| FR2498770A1 (fr) | Grille optique, notamment pour la correction d'aberrations optiques | |
| DE3883148T2 (de) | Transparent für heisstinte. | |
| CA2757110A1 (fr) | Element de securite comportant des structures reflechissantes elementaires | |
| BE502425A (enrdf_load_html_response) | ||
| CN203825353U (zh) | 用于短焦投影设备的定向增光和抗环境光投影屏幕 | |
| WO2016041898A1 (fr) | Element de securite | |
| JPH06308633A (ja) | レンチキュラー板 | |
| US1995964A (en) | Screens for cinematographic projections and the like | |
| JP2003513308A (ja) | 高品位スクリーン | |
| US2130704A (en) | Sound permeable picture projection screen and method of making same | |
| BE505609A (enrdf_load_html_response) | ||
| CH718304B9 (fr) | Dispositif micro-optique pour produire une image agrandie | |
| CN107861227B (zh) | 一种高清夜视广角镜头及其制备方法 | |
| US1216380A (en) | Exhibition-screen for projecting-machines. | |
| DE424123C (de) | Mit reflektierenden Flaechen hinterlegte Bilder und Muster | |
| CH167862A (de) | Verfahren zur Herstellung eines für die Projektion im auffallenden Licht geeigneten Metallfilmstreifenträgers. | |
| DE1797207C2 (de) | Einrichtung zur photographischen Aufnahme von Modellen vor einem durch Projektion erzeugten Hintergrund | |
| JPH0531601Y2 (enrdf_load_html_response) | ||
| DE2321349C3 (de) | Optisches Bauelement mit mindestens einer aufgerauhten Streufläche | |
| BE419313A (enrdf_load_html_response) | ||
| BE411985A (enrdf_load_html_response) | ||
| DE102004026303A1 (de) | Optischer Filter zur Konvertierung High Definition Optik zur Film Optik | |
| CN2305694Y (zh) | 激光全息图像眼镜片 | |
| CN2650165Y (zh) | 立体显像装置 |