FR1026711A - Obturateur à secteurs - Google Patents
Obturateur à secteursInfo
- Publication number
- FR1026711A FR1026711A FR1026711DA FR1026711A FR 1026711 A FR1026711 A FR 1026711A FR 1026711D A FR1026711D A FR 1026711DA FR 1026711 A FR1026711 A FR 1026711A
- Authority
- FR
- France
- Prior art keywords
- sector shutter
- shutter
- sector
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1026711X | 1950-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1026711A true FR1026711A (fr) | 1953-04-30 |
Family
ID=7715209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1026711D Expired FR1026711A (fr) | 1950-03-23 | 1950-10-30 | Obturateur à secteurs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1026711A (fr) |
-
1950
- 1950-10-30 FR FR1026711D patent/FR1026711A/fr not_active Expired
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