BE347371A - - Google Patents
Info
- Publication number
- BE347371A BE347371A BE347371DA BE347371A BE 347371 A BE347371 A BE 347371A BE 347371D A BE347371D A BE 347371DA BE 347371 A BE347371 A BE 347371A
- Authority
- BE
- Belgium
- Prior art keywords
- projection
- application
- lantern according
- images
- lantern
- Prior art date
Links
- 238000005286 illumination Methods 0.000 claims description 5
- 241001465382 Physalis alkekengi Species 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver 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
- G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE347371A true BE347371A (enrdf_load_stackoverflow) |
Family
ID=23048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE347371D BE347371A (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE347371A (enrdf_load_stackoverflow) |
-
0
- BE BE347371D patent/BE347371A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0048185B1 (fr) | Source de lumière multi-effets à usage notamment de projecteur pour la photographie, le cinéma et la télévision, ou de luminaire | |
WO2000034710A1 (en) | High efficiency high intensity backlighting of graphic displays | |
JP2004070369A (ja) | 光学的に透明なフィルム | |
US3561867A (en) | Illuminating system for photographic printers and enlargers | |
US2763772A (en) | Photographic illuminating device | |
US2530843A (en) | Photographic enlarger | |
BE347371A (enrdf_load_stackoverflow) | ||
TWM245425U (en) | Light-uniformed device and optical apparatus with light-uniformed device | |
US3198097A (en) | Illuminating apparatus | |
EP0159594A1 (fr) | Appareil d'éclairage à haut pouvoir de diffusion | |
MY137052A (en) | Spherical reflective screen with focus and method for manufacturing the same | |
US1656110A (en) | Photo-electric sign | |
CN201203051Y (zh) | 光栅式平面定向光源 | |
CN109946915A (zh) | 一种抗光幕 | |
US3885242A (en) | Method of and apparatus for producing photographic vignettes | |
JPH09138449A (ja) | 照射角可変の照明光学系 | |
US3634674A (en) | Portrait uniform lighting device | |
FR2580823A1 (fr) | Dispositif pour la projection de decors notamment pour la realisation de photographies | |
FR2644906A1 (fr) | Dispositif illuminateur a haut rendement d'eclairement | |
KR20010009652A (ko) | 투광튜브식 투광스크린 | |
CH640356A5 (fr) | Dispositif permettant l'observation d'une image portee par un support transparent. | |
EP0139600A2 (fr) | Dispositif pour la projection de decors pour prises de vues photographiques | |
KR200307771Y1 (ko) | 영상투사조명기구 | |
JP2004061994A5 (enrdf_load_stackoverflow) | ||
BE671909A (enrdf_load_stackoverflow) |