BE347222A - - Google Patents
Info
- Publication number
- BE347222A BE347222A BE347222DA BE347222A BE 347222 A BE347222 A BE 347222A BE 347222D A BE347222D A BE 347222DA BE 347222 A BE347222 A BE 347222A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- opening
- film
- face
- light
- Prior art date
Links
- 239000000428 dust Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000006872 improvement Effects 0.000 claims description 3
- 238000007792 addition Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000010453 quartz Substances 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000011521 glass Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 208000029154 Narrow face Diseases 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Landscapes
- Projection-Type Copiers In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE347222A true BE347222A (enrdf_load_stackoverflow) |
Family
ID=22924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE347222D BE347222A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE347222A (enrdf_load_stackoverflow) |
-
0
- BE BE347222D patent/BE347222A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2793043A1 (fr) | Ecran de projection | |
| FR2464506A1 (fr) | Materiau en feuille utilisable pour un ecran de projection | |
| FR2480951A1 (fr) | Filtre optique passe-bas | |
| BE347222A (enrdf_load_stackoverflow) | ||
| FR2938917A1 (fr) | Dispositif d'analyse d'un melange polyphasique via un faisceau de lumiere retrodiffusee par celui-ci | |
| FR2836242A1 (fr) | Procede de fabrication d'un ecran de retroprojection | |
| EP0675338B1 (fr) | Procédé et dispositif pour mesurer la qualité optique de la surface d'un objet transparent | |
| EP0653038B1 (fr) | Dispositif d'eclairage reparti | |
| FR2524187A1 (fr) | Disque optique protege de l'humidite | |
| BE343938A (enrdf_load_stackoverflow) | ||
| FR2479526A1 (fr) | Matiere d'enregistrement laminaire par microstructures | |
| FR2581772A1 (fr) | Procede d'electrocopie | |
| FR2608788A1 (fr) | Procede d'obtention d'images agrandies et non deformees, a partir d'une image source et dispositif pour mettre en oeuvre ce procede | |
| CH128778A (fr) | Ecran de projection pour cinéma parlant. | |
| BE491177A (enrdf_load_stackoverflow) | ||
| FR2931256A1 (fr) | Reseaux lenticulaires imprimes | |
| BE348311A (enrdf_load_stackoverflow) | ||
| FR2479487A1 (fr) | Procede de traitement, d'enregistrement et d'observation d'objets a l'aide d'un milieu laser superrayonnant, dispositif pour la mise en oeuvre dudit procede et objets traites conformement audit procede | |
| BE345991A (enrdf_load_stackoverflow) | ||
| BE539454A (enrdf_load_stackoverflow) | ||
| BE356171A (enrdf_load_stackoverflow) | ||
| BE357588A (enrdf_load_stackoverflow) | ||
| BE411971A (enrdf_load_stackoverflow) | ||
| BE364512A (enrdf_load_stackoverflow) | ||
| Trouvé | Une méthode de mise au point de l'image en astrophotographie. |