BE571468A - - Google Patents
Info
- Publication number
- BE571468A BE571468A BE571468DA BE571468A BE 571468 A BE571468 A BE 571468A BE 571468D A BE571468D A BE 571468DA BE 571468 A BE571468 A BE 571468A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- drum
- screen
- lenses
- mirror
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 23
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 239000005338 frosted glass Substances 0.000 claims 2
- 230000009347 mechanical transmission Effects 0.000 claims 1
- 238000009432 framing Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 238000004804 winding 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
- G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
- G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
- G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
- G03B41/08—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator with rotating transmitting member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE571468A true BE571468A (enrdf_load_html_response) |
Family
ID=189646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE571468D BE571468A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE571468A (enrdf_load_html_response) |
-
0
- BE BE571468D patent/BE571468A/fr unknown
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