FR678348A - Appareil de projection cinématographique - Google Patents
Appareil de projection cinématographiqueInfo
- Publication number
- FR678348A FR678348A FR678348DA FR678348A FR 678348 A FR678348 A FR 678348A FR 678348D A FR678348D A FR 678348DA FR 678348 A FR678348 A FR 678348A
- Authority
- FR
- France
- Prior art keywords
- projection device
- cinematographic projection
- cinematographic
- projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
- G03B1/00—Film strip handling
- G03B1/18—Moving film strip by means which act on the film between the ends thereof
- G03B1/38—Moving film strip by means which act on the film between the ends thereof embodying Geneva motion, e.g. Maltese-cross gearing
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR678348T | 1929-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR678348A true FR678348A (fr) | 1930-03-21 |
Family
ID=9020997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR678348D Expired FR678348A (fr) | 1929-07-12 | 1929-07-12 | Appareil de projection cinématographique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR678348A (fr) |
-
1929
- 1929-07-12 FR FR678348D patent/FR678348A/fr not_active Expired
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