FR794497A - Improvements to cinematographic devices - Google Patents
Improvements to cinematographic devicesInfo
- Publication number
- FR794497A FR794497A FR794497DA FR794497A FR 794497 A FR794497 A FR 794497A FR 794497D A FR794497D A FR 794497DA FR 794497 A FR794497 A FR 794497A
- Authority
- FR
- France
- Prior art keywords
- cinematographic
- devices
- cinematographic devices
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/43—Driving mechanisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US794497XA | 1934-08-31 | 1934-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR794497A true FR794497A (en) | 1936-02-18 |
Family
ID=22150641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR794497D Expired FR794497A (en) | 1934-08-31 | 1935-08-31 | Improvements to cinematographic devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR794497A (en) |
-
1935
- 1935-08-31 FR FR794497D patent/FR794497A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR785873A (en) | Improvements to tapping devices | |
FR794608A (en) | Improvements to stereophotographic cameras | |
FR782890A (en) | Improvements to cinematographic devices | |
FR791692A (en) | Improvements to gyroplane devices | |
FR46118E (en) | Improvements to cinematographic devices | |
FR794497A (en) | Improvements to cinematographic devices | |
FR788158A (en) | Improvements to cameras | |
FR797372A (en) | Improvements to portable cinematographic devices | |
FR781004A (en) | Improvements to radio-phono-telephone devices | |
FR766487A (en) | Improvements to inhalers | |
FR803140A (en) | Improvements to cinematographic projection devices | |
FR781851A (en) | Improvements to phonographs | |
FR808842A (en) | Improvements to cinematographic devices | |
FR797828A (en) | Improvements to cinematographic devices | |
FR770663A (en) | Improvements to cinematographic devices | |
FR782308A (en) | Improvements to cyclecars | |
FR769185A (en) | Improvements to gyroscopic devices | |
FR784336A (en) | Improvements to cinematographic projection equipment | |
FR789286A (en) | Improvements to cameras | |
FR798261A (en) | Improvements to cameras | |
FR795368A (en) | Improvements to cameras | |
FR794194A (en) | Improvements to cameras | |
FR789287A (en) | Improvements to cameras | |
FR780710A (en) | Improvements to cameras | |
FR772736A (en) | Improvements to cameras |