BE421546A - - Google Patents
Info
- Publication number
- BE421546A BE421546A BE421546DA BE421546A BE 421546 A BE421546 A BE 421546A BE 421546D A BE421546D A BE 421546DA BE 421546 A BE421546 A BE 421546A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- mirror
- drum
- window
- shaft
- Prior art date
Links
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 description 2
- 208000029152 Small face Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/06—Viewing or reading apparatus with moving picture effect
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE421546A true BE421546A (https=) |
Family
ID=83386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE421546D BE421546A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE421546A (https=) |
-
0
- BE BE421546D patent/BE421546A/fr unknown
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