FR81944E - Obturateur photographique central - Google Patents
Obturateur photographique centralInfo
- Publication number
- FR81944E FR81944E FR904238A FR904238A FR81944E FR 81944 E FR81944 E FR 81944E FR 904238 A FR904238 A FR 904238A FR 904238 A FR904238 A FR 904238A FR 81944 E FR81944 E FR 81944E
- Authority
- FR
- France
- Prior art keywords
- photographic shutter
- central photographic
- central
- shutter
- 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
- G03B9/18—More than two members
- G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR904238A FR81944E (fr) | 1962-07-17 | 1962-07-17 | Obturateur photographique central |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR904238A FR81944E (fr) | 1962-07-17 | 1962-07-17 | Obturateur photographique central |
Publications (1)
Publication Number | Publication Date |
---|---|
FR81944E true FR81944E (fr) | 1963-11-29 |
Family
ID=8783366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR904238A Expired FR81944E (fr) | 1962-07-17 | 1962-07-17 | Obturateur photographique central |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR81944E (fr) |
-
1962
- 1962-07-17 FR FR904238A patent/FR81944E/fr not_active Expired
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