DD115772A1 - - Google Patents
Info
- Publication number
- DD115772A1 DD115772A1 DD18045974A DD18045974A DD115772A1 DD 115772 A1 DD115772 A1 DD 115772A1 DD 18045974 A DD18045974 A DD 18045974A DD 18045974 A DD18045974 A DD 18045974A DD 115772 A1 DD115772 A1 DD 115772A1
- 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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
- G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Lenses (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18045974A DD115772A1 (forum.php) | 1974-08-13 | 1974-08-13 | |
| DE19752515031 DE2515031A1 (de) | 1974-08-13 | 1975-04-07 | Vorrichtung zum steuern der abdeckblende bei stehbildwerfern |
| AT275875A AT340699B (de) | 1974-08-13 | 1975-04-11 | Vorrichtung zum steuern der abdeckblende bei stehbildwerfern |
| GB2230975A GB1499196A (en) | 1974-08-13 | 1975-05-22 | Slide projector |
| SU7502136684A SU575606A1 (ru) | 1974-08-13 | 1975-05-26 | Узел управлени блендой диапроектора |
| CS402275A CS199340B1 (en) | 1974-08-13 | 1975-06-09 | Equipment for diaphragm control for passage of projection rays of slide projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18045974A DD115772A1 (forum.php) | 1974-08-13 | 1974-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD115772A1 true DD115772A1 (forum.php) | 1975-10-12 |
Family
ID=5496913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD18045974A DD115772A1 (forum.php) | 1974-08-13 | 1974-08-13 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT340699B (forum.php) |
| CS (1) | CS199340B1 (forum.php) |
| DD (1) | DD115772A1 (forum.php) |
| DE (1) | DE2515031A1 (forum.php) |
| GB (1) | GB1499196A (forum.php) |
| SU (1) | SU575606A1 (forum.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2657697C2 (de) * | 1976-12-20 | 1985-07-25 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Diaprojektor mit einer Diawechselvorrichtung |
-
1974
- 1974-08-13 DD DD18045974A patent/DD115772A1/xx unknown
-
1975
- 1975-04-07 DE DE19752515031 patent/DE2515031A1/de active Pending
- 1975-04-11 AT AT275875A patent/AT340699B/de not_active IP Right Cessation
- 1975-05-22 GB GB2230975A patent/GB1499196A/en not_active Expired
- 1975-05-26 SU SU7502136684A patent/SU575606A1/ru active
- 1975-06-09 CS CS402275A patent/CS199340B1/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1499196A (en) | 1978-01-25 |
| DE2515031A1 (de) | 1976-03-04 |
| CS199340B1 (en) | 1980-07-31 |
| ATA275875A (de) | 1977-04-15 |
| SU575606A1 (ru) | 1977-10-05 |
| AT340699B (de) | 1977-12-27 |