FR1235580A - Improvement in translucent screens for light projections - Google Patents
Improvement in translucent screens for light projectionsInfo
- Publication number
- FR1235580A FR1235580A FR796636A FR796636A FR1235580A FR 1235580 A FR1235580 A FR 1235580A FR 796636 A FR796636 A FR 796636A FR 796636 A FR796636 A FR 796636A FR 1235580 A FR1235580 A FR 1235580A
- Authority
- FR
- France
- Prior art keywords
- improvement
- light projections
- translucent screens
- translucent
- screens
- 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
- G03B21/62—Translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR796636A FR1235580A (en) | 1959-06-05 | 1959-06-05 | Improvement in translucent screens for light projections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR796636A FR1235580A (en) | 1959-06-05 | 1959-06-05 | Improvement in translucent screens for light projections |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1235580A true FR1235580A (en) | 1960-07-08 |
Family
ID=8715638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR796636A Expired FR1235580A (en) | 1959-06-05 | 1959-06-05 | Improvement in translucent screens for light projections |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1235580A (en) |
-
1959
- 1959-06-05 FR FR796636A patent/FR1235580A/en not_active Expired
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