FR553328A - - Google Patents
Info
- Publication number
- FR553328A FR553328A FR553328DA FR553328A FR 553328 A FR553328 A FR 553328A FR 553328D A FR553328D A FR 553328DA FR 553328 A FR553328 A FR 553328A
- 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
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR553328A true FR553328A (en) | 1923-05-22 |
Family
ID=1538495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR553328D Expired FR553328A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR553328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1054733B (en) * | 1955-07-07 | 1959-04-09 | Walter Hesse Dipl Ing Dr Techn | Reflex projection screen, especially for bright rooms |
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0
- FR FR553328D patent/FR553328A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1054733B (en) * | 1955-07-07 | 1959-04-09 | Walter Hesse Dipl Ing Dr Techn | Reflex projection screen, especially for bright rooms |