FR1369446A - Perfectionnements aux écrans de projection - Google Patents
Perfectionnements aux écrans de projectionInfo
- Publication number
- FR1369446A FR1369446A FR939905A FR939905A FR1369446A FR 1369446 A FR1369446 A FR 1369446A FR 939905 A FR939905 A FR 939905A FR 939905 A FR939905 A FR 939905A FR 1369446 A FR1369446 A FR 1369446A
- Authority
- FR
- France
- Prior art keywords
- projection screens
- screens
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR939905A FR1369446A (fr) | 1963-06-29 | 1963-06-29 | Perfectionnements aux écrans de projection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR939905A FR1369446A (fr) | 1963-06-29 | 1963-06-29 | Perfectionnements aux écrans de projection |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1369446A true FR1369446A (fr) | 1964-08-14 |
Family
ID=8807288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR939905A Expired FR1369446A (fr) | 1963-06-29 | 1963-06-29 | Perfectionnements aux écrans de projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1369446A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3408132A (en) * | 1966-11-21 | 1968-10-29 | Eastman Kodak Co | Projection screen |
-
1963
- 1963-06-29 FR FR939905A patent/FR1369446A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3408132A (en) * | 1966-11-21 | 1968-10-29 | Eastman Kodak Co | Projection screen |
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