BE358142A - - Google Patents
Info
- Publication number
- BE358142A BE358142A BE358142DA BE358142A BE 358142 A BE358142 A BE 358142A BE 358142D A BE358142D A BE 358142DA BE 358142 A BE358142 A BE 358142A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- shaft
- projection apparatus
- roller
- terized
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229920002160 Celluloid Polymers 0.000 claims description 3
- 241000251169 Alopias vulpinus Species 0.000 claims 1
- 230000003213 activating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 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 |
|---|---|
| BE358142A true BE358142A (enrdf_load_html_response) |
Family
ID=31900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE358142D BE358142A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE358142A (enrdf_load_html_response) |
-
0
- BE BE358142D patent/BE358142A/fr unknown
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