BE504506A - - Google Patents
Info
- Publication number
- BE504506A BE504506A BE504506DA BE504506A BE 504506 A BE504506 A BE 504506A BE 504506D A BE504506D A BE 504506DA BE 504506 A BE504506 A BE 504506A
- Authority
- BE
- Belgium
- Prior art keywords
- door
- film
- lens
- head
- objective
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 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
- G03B19/00—Cameras
- G03B19/18—Motion-picture cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504506A true BE504506A (cs) |
Family
ID=145341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504506D BE504506A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE504506A (cs) |
-
0
- BE BE504506D patent/BE504506A/fr unknown
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