FR855132A - Appareil de projection - Google Patents
Appareil de projectionInfo
- Publication number
- FR855132A FR855132A FR855132DA FR855132A FR 855132 A FR855132 A FR 855132A FR 855132D A FR855132D A FR 855132DA FR 855132 A FR855132 A FR 855132A
- Authority
- FR
- France
- Prior art keywords
- projection device
- 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
- G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR855132T | 1939-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR855132A true FR855132A (fr) | 1940-05-03 |
Family
ID=9328119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR855132D Expired FR855132A (fr) | 1939-05-22 | 1939-05-22 | Appareil de projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR855132A (fr) |
-
1939
- 1939-05-22 FR FR855132D patent/FR855132A/fr not_active Expired
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