FR551632A - Appareil photographique perfectionné - Google Patents
Appareil photographique perfectionnéInfo
- Publication number
- FR551632A FR551632A FR551632DA FR551632A FR 551632 A FR551632 A FR 551632A FR 551632D A FR551632D A FR 551632DA FR 551632 A FR551632 A FR 551632A
- Authority
- FR
- France
- Prior art keywords
- advanced camera
- advanced
- camera
- 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
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR551632T | 1921-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR551632A true FR551632A (fr) | 1923-04-10 |
Family
ID=8936987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR551632D Expired FR551632A (fr) | 1921-09-07 | 1921-09-07 | Appareil photographique perfectionné |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR551632A (fr) |
-
1921
- 1921-09-07 FR FR551632D patent/FR551632A/fr not_active Expired
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