FR717433A - Device to project images - Google Patents
Device to project imagesInfo
- Publication number
- FR717433A FR717433A FR717433DA FR717433A FR 717433 A FR717433 A FR 717433A FR 717433D A FR717433D A FR 717433DA FR 717433 A FR717433 A FR 717433A
- Authority
- FR
- France
- Prior art keywords
- project images
- project
- images
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE717433X | 1930-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR717433A true FR717433A (en) | 1932-01-08 |
Family
ID=6626703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR717433D Expired FR717433A (en) | 1930-06-28 | 1931-05-21 | Device to project images |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR717433A (en) |
-
1931
- 1931-05-21 FR FR717433D patent/FR717433A/en not_active Expired
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