FR658121A - Shutter for cinematographic projection devices - Google Patents
Shutter for cinematographic projection devicesInfo
- Publication number
- FR658121A FR658121A FR658121DA FR658121A FR 658121 A FR658121 A FR 658121A FR 658121D A FR658121D A FR 658121DA FR 658121 A FR658121 A FR 658121A
- Authority
- FR
- France
- Prior art keywords
- shutter
- projection devices
- cinematographic projection
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR658121T | 1928-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR658121A true FR658121A (en) | 1929-05-31 |
Family
ID=9008879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR658121D Expired FR658121A (en) | 1928-07-26 | 1928-07-26 | Shutter for cinematographic projection devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR658121A (en) |
-
1928
- 1928-07-26 FR FR658121D patent/FR658121A/en not_active Expired
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