FR34810E - - Google Patents
Info
- Publication number
- FR34810E FR34810E FR34810DA FR34810E FR 34810 E FR34810 E FR 34810E FR 34810D A FR34810D A FR 34810DA FR 34810 E FR34810 E FR 34810E
- 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
- G03B9/08—Shutters
- G03B9/28—Roller blind or flexible plate
- G03B9/32—Double blind
- G03B9/34—Double blind with adjustable slot; with mechanism controlling relative movement of blinds to form slot
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34810E true FR34810E (es) | 1927-10-21 |
Family
ID=1362671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34810D Expired FR34810E (es) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR34810E (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2522387A (en) * | 1944-10-07 | 1950-09-12 | Livens William Howard | Camera having movable roll film body parts for taking different size exposures |
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0
- FR FR34810D patent/FR34810E/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2522387A (en) * | 1944-10-07 | 1950-09-12 | Livens William Howard | Camera having movable roll film body parts for taking different size exposures |