BE475979A - - Google Patents
Info
- Publication number
- BE475979A BE475979A BE475979DA BE475979A BE 475979 A BE475979 A BE 475979A BE 475979D A BE475979D A BE 475979DA BE 475979 A BE475979 A BE 475979A
- Authority
- BE
- Belgium
- Prior art keywords
- light
- shutter
- projector according
- film
- blade
- Prior art date
Links
- 238000009987 spinning Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 238000007429 general method Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 238000009416 shuttering Methods 0.000 description 2
- 229920002160 Celluloid Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/40—Eliminating or reducing effect of flicker
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475979A true BE475979A (enrdf_load_stackoverflow) |
Family
ID=124500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475979D BE475979A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE475979A (enrdf_load_stackoverflow) |
-
0
- BE BE475979D patent/BE475979A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1260297A (fr) | Dispositif d'eclairage notamment projecteur scenique simultanement reglable selon tous ses parametres | |
| EP0983853B1 (fr) | Dispositif automatique de détection de défauts d'impression par example sur des bandes métallisées | |
| WO2022128061A1 (fr) | Boite a illumination homogene pour imagerie photographique ou par camera | |
| EP0000450B1 (fr) | Appareils de reproduction photographique de documents transparents, notamment du type agrandisseur photographique | |
| BE475979A (enrdf_load_stackoverflow) | ||
| EP0677696B1 (fr) | Feu de signalisation pour véhicule automobile, comportant un voyant de teinte générale différente de la couleur d'un faisceau émis | |
| FR2675591A1 (fr) | Panneaux polarisants pouvant laisser circuler l'air et generer des motifs clairs et fonces et des motifs de couleurs arbitraires. | |
| FR2491239A1 (fr) | Feuillete a mouvement polaire et systeme d'utilisation de ce feuillete, par exemple dans une camera de television en couleur | |
| BE479209A (enrdf_load_stackoverflow) | ||
| US3922077A (en) | Cinematographic projector | |
| FR2623302A1 (fr) | Objectif pour camera de television | |
| CH523517A (fr) | Procédé de photographie d'un objet et appareil pour sa mise en oeuvre | |
| BE563767A (enrdf_load_stackoverflow) | ||
| BE421697A (enrdf_load_stackoverflow) | ||
| BE408498A (enrdf_load_stackoverflow) | ||
| CH279759A (fr) | Dispositif pour donner avec une image plane l'illusion de la présence réelle de l'objet figuré. | |
| WO2025120350A1 (fr) | Boîte pour la présentation d'un objet | |
| JPS602564Y2 (ja) | 万華鏡装置 | |
| BE485833A (enrdf_load_stackoverflow) | ||
| BE351355A (enrdf_load_stackoverflow) | ||
| BE563709A (enrdf_load_stackoverflow) | ||
| BE333138A (enrdf_load_stackoverflow) | ||
| CH672686A5 (enrdf_load_stackoverflow) | ||
| CH325488A (fr) | Installation de projection cinématographique | |
| FR2604240A1 (fr) | Feu de signalisation incorporant des elements catadioptriques notamment pour vehicule automobile. |