DD102220A1 - - Google Patents
Info
- Publication number
- DD102220A1 DD102220A1 DD16917473A DD16917473A DD102220A1 DD 102220 A1 DD102220 A1 DD 102220A1 DD 16917473 A DD16917473 A DD 16917473A DD 16917473 A DD16917473 A DD 16917473A DD 102220 A1 DD102220 A1 DD 102220A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16917473A DD102220A1 (de) | 1973-03-02 | 1973-03-02 | |
| DE19732348355 DE2348355A1 (de) | 1973-03-02 | 1973-09-26 | Objektivfuehrungsvorrichtung an projektoren |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16917473A DD102220A1 (de) | 1973-03-02 | 1973-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD102220A1 true DD102220A1 (de) | 1973-12-12 |
Family
ID=5490254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16917473A DD102220A1 (de) | 1973-03-02 | 1973-03-02 |
Country Status (2)
| Country | Link |
|---|---|
| DD (1) | DD102220A1 (de) |
| DE (1) | DE2348355A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004057939A1 (de) * | 2004-11-30 | 2006-06-01 | Franz Baumann | Vorrichtung zum Justieren von Projektoren |
-
1973
- 1973-03-02 DD DD16917473A patent/DD102220A1/xx unknown
- 1973-09-26 DE DE19732348355 patent/DE2348355A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2348355A1 (de) | 1974-09-05 |