FR1062764A - écran pour projections lumineuses - Google Patents
écran pour projections lumineusesInfo
- Publication number
- FR1062764A FR1062764A FR1062764DA FR1062764A FR 1062764 A FR1062764 A FR 1062764A FR 1062764D A FR1062764D A FR 1062764DA FR 1062764 A FR1062764 A FR 1062764A
- Authority
- FR
- France
- Prior art keywords
- projection screen
- light projection
- light
- screen
- projection
- Prior art date
- 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
- G03B21/606—Projection screens characterised by the nature of the surface for relief projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1062764T | 1952-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1062764A true FR1062764A (fr) | 1954-04-27 |
Family
ID=9600795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1062764D Expired FR1062764A (fr) | 1952-09-08 | 1952-09-08 | écran pour projections lumineuses |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1062764A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD310535S (en) | 1986-11-03 | 1990-09-11 | International Business Machines Corporation | Screen stand |
| US4984871A (en) * | 1989-12-07 | 1991-01-15 | Eugene Martinez | Optical rear projection screen hanger assembly |
-
1952
- 1952-09-08 FR FR1062764D patent/FR1062764A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD310535S (en) | 1986-11-03 | 1990-09-11 | International Business Machines Corporation | Screen stand |
| US4984871A (en) * | 1989-12-07 | 1991-01-15 | Eugene Martinez | Optical rear projection screen hanger assembly |
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