FR496141A - Improvements to shutter shutters for cameras - Google Patents
Improvements to shutter shutters for camerasInfo
- Publication number
- FR496141A FR496141A FR496141DA FR496141A FR 496141 A FR496141 A FR 496141A FR 496141D A FR496141D A FR 496141DA FR 496141 A FR496141 A FR 496141A
- Authority
- FR
- France
- Prior art keywords
- cameras
- shutter shutters
- shutters
- shutter
- 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
- G03B9/46—Flap shutters pivoting about axis in plane of flap
- G03B9/48—Double flap
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK496141X | 1917-10-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR496141A true FR496141A (en) | 1919-10-28 |
Family
ID=1531601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR496141D Expired FR496141A (en) | 1917-10-05 | 1919-01-10 | Improvements to shutter shutters for cameras |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR496141A (en) |
-
1919
- 1919-01-10 FR FR496141D patent/FR496141A/en not_active Expired
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