FR1137446A - Photographic shutter - Google Patents
Photographic shutterInfo
- Publication number
- FR1137446A FR1137446A FR1137446DA FR1137446A FR 1137446 A FR1137446 A FR 1137446A FR 1137446D A FR1137446D A FR 1137446DA FR 1137446 A FR1137446 A FR 1137446A
- Authority
- FR
- France
- Prior art keywords
- photographic shutter
- photographic
- 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
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
- G03B9/18—More than two members
- G03B9/20—More than two members each moving in a single direction first to open and then to reclose
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1137446XA | 1954-07-28 | 1954-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1137446A true FR1137446A (en) | 1957-05-28 |
Family
ID=22351232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1137446D Expired FR1137446A (en) | 1954-07-28 | 1955-07-28 | Photographic shutter |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1137446A (en) |
-
1955
- 1955-07-28 FR FR1137446D patent/FR1137446A/en not_active Expired
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