DD109268A5 - - Google Patents
Info
- Publication number
- DD109268A5 DD109268A5 DD17396473A DD17396473A DD109268A5 DD 109268 A5 DD109268 A5 DD 109268A5 DD 17396473 A DD17396473 A DD 17396473A DD 17396473 A DD17396473 A DD 17396473A DD 109268 A5 DD109268 A5 DD 109268A5
- Authority
- DD
- German Democratic Republic
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)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722252992 DE2252992A1 (de) | 1972-10-28 | 1972-10-28 | Elektromotorischer blendensektorenantrieb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD109268A5 true DD109268A5 (xx) | 1974-10-20 |
Family
ID=5860319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD17396473A DD109268A5 (xx) | 1972-10-28 | 1973-10-10 |
Country Status (2)
| Country | Link |
|---|---|
| DD (1) | DD109268A5 (xx) |
| DE (1) | DE2252992A1 (xx) |
-
1972
- 1972-10-28 DE DE19722252992 patent/DE2252992A1/de not_active Withdrawn
-
1973
- 1973-10-10 DD DD17396473A patent/DD109268A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2252992A1 (de) | 1974-05-02 |