FR962737A - - Google Patents
Info
- Publication number
- FR962737A FR962737A FR962737DA FR962737A FR 962737 A FR962737 A FR 962737A FR 962737D A FR962737D A FR 962737DA FR 962737 A FR962737 A FR 962737A
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR962737A true FR962737A (de) | 1950-06-19 |
Family
ID=1563995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR962737D Expired FR962737A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR962737A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0146770A3 (en) * | 1981-08-24 | 1985-07-31 | Walter Meier | Lens attachment for the projection of stereoscopic images anamorphotically compressed on a spherical surface |
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0
- FR FR962737D patent/FR962737A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0146770A3 (en) * | 1981-08-24 | 1985-07-31 | Walter Meier | Lens attachment for the projection of stereoscopic images anamorphotically compressed on a spherical surface |