BE470000A - - Google Patents
Info
- Publication number
- BE470000A BE470000A BE470000DA BE470000A BE 470000 A BE470000 A BE 470000A BE 470000D A BE470000D A BE 470000DA BE 470000 A BE470000 A BE 470000A
- Authority
- BE
- Belgium
- Prior art keywords
- projector
- specified
- plate
- film
- pulley
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000056 organ Anatomy 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE470000A true BE470000A (enrdf_load_html_response) |
Family
ID=120287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE470000D BE470000A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE470000A (enrdf_load_html_response) |
-
0
- BE BE470000D patent/BE470000A/fr unknown
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