FR484136A - Screen for cinematographic projections and other light projections - Google Patents
Screen for cinematographic projections and other light projectionsInfo
- Publication number
- FR484136A FR484136A FR484136A FR484136DA FR484136A FR 484136 A FR484136 A FR 484136A FR 484136 A FR484136 A FR 484136A FR 484136D A FR484136D A FR 484136DA FR 484136 A FR484136 A FR 484136A
- Authority
- FR
- France
- Prior art keywords
- projections
- screen
- cinematographic
- light
- light projections
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE484136X | 1916-01-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR484136A true FR484136A (en) | 1917-09-07 |
Family
ID=1520959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR484136A Expired FR484136A (en) | 1916-01-27 | 1917-01-10 | Screen for cinematographic projections and other light projections |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR484136A (en) |
-
1917
- 1917-01-10 FR FR484136A patent/FR484136A/en not_active Expired
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