FR944288A - Improvements to photographic shutters - Google Patents
Improvements to photographic shuttersInfo
- Publication number
- FR944288A FR944288A FR944288DA FR944288A FR 944288 A FR944288 A FR 944288A FR 944288D A FR944288D A FR 944288DA FR 944288 A FR944288 A FR 944288A
- Authority
- FR
- France
- Prior art keywords
- photographic shutters
- shutters
- photographic
- 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
- G03B9/26—Blade or disc rotating or pivoting about axis normal to its plane incorporating cover blade or blades
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US944288XA | 1945-10-12 | 1945-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR944288A true FR944288A (en) | 1949-03-31 |
Family
ID=22245136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR944288D Expired FR944288A (en) | 1945-10-12 | 1946-09-26 | Improvements to photographic shutters |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR944288A (en) |
-
1946
- 1946-09-26 FR FR944288D patent/FR944288A/en not_active Expired
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