FR616049A - Dual device for cinematographic projection - Google Patents
Dual device for cinematographic projectionInfo
- Publication number
- FR616049A FR616049A FR616049DA FR616049A FR 616049 A FR616049 A FR 616049A FR 616049D A FR616049D A FR 616049DA FR 616049 A FR616049 A FR 616049A
- Authority
- FR
- France
- Prior art keywords
- dual device
- cinematographic projection
- cinematographic
- projection
- dual
- 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 |
---|---|---|---|
DE616049X | 1925-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR616049A true FR616049A (en) | 1927-01-21 |
Family
ID=6576889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR616049D Expired FR616049A (en) | 1925-06-02 | 1926-05-11 | Dual device for cinematographic projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR616049A (en) |
-
1926
- 1926-05-11 FR FR616049D patent/FR616049A/en not_active Expired
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