DD125450A1 - - Google Patents
Info
- Publication number
- DD125450A1 DD125450A1 DD19258176A DD19258176A DD125450A1 DD 125450 A1 DD125450 A1 DD 125450A1 DD 19258176 A DD19258176 A DD 19258176A DD 19258176 A DD19258176 A DD 19258176A DD 125450 A1 DD125450 A1 DD 125450A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B27/00—Planetaria; Globes
- G09B27/02—Tellurions; Orreries
-
- 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
- G03B9/02—Diaphragms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
- Projection Apparatus (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD19258176A DD125450A1 (en:Method) | 1976-04-29 | 1976-04-29 | |
| DE19762648582 DE2648582A1 (de) | 1976-04-29 | 1976-10-27 | Blendensteuereinrichtung fuer planetarien |
| JP5346577U JPS52146344U (en:Method) | 1976-04-29 | 1977-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD19258176A DD125450A1 (en:Method) | 1976-04-29 | 1976-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD125450A1 true DD125450A1 (en:Method) | 1977-04-20 |
Family
ID=5504353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD19258176A DD125450A1 (en:Method) | 1976-04-29 | 1976-04-29 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS52146344U (en:Method) |
| DD (1) | DD125450A1 (en:Method) |
| DE (1) | DE2648582A1 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4326260C1 (de) * | 1993-08-05 | 1994-09-15 | Zeiss Carl Jena Gmbh | Steuerbare Horizontblende für Planetarien |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4328907Y1 (en:Method) * | 1966-01-21 | 1968-11-28 |
-
1976
- 1976-04-29 DD DD19258176A patent/DD125450A1/xx unknown
- 1976-10-27 DE DE19762648582 patent/DE2648582A1/de not_active Withdrawn
-
1977
- 1977-04-28 JP JP5346577U patent/JPS52146344U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4326260C1 (de) * | 1993-08-05 | 1994-09-15 | Zeiss Carl Jena Gmbh | Steuerbare Horizontblende für Planetarien |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2648582A1 (de) | 1977-11-10 |
| JPS52146344U (en:Method) | 1977-11-07 |