FR1232184A - - Google Patents
Info
- Publication number
- FR1232184A FR1232184A FR1232184DA FR1232184A FR 1232184 A FR1232184 A FR 1232184A FR 1232184D A FR1232184D A FR 1232184DA FR 1232184 A FR1232184 A FR 1232184A
- Authority
- FR
- France
- 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
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1232184A true FR1232184A (e) | 1960-10-05 |
Family
ID=1569305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1232184D Expired FR1232184A (e) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1232184A (e) |
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0
- FR FR1232184D patent/FR1232184A/fr not_active Expired