FR1107385A - Cinematographic projection device - Google Patents
Cinematographic projection deviceInfo
- Publication number
- FR1107385A FR1107385A FR1107385DA FR1107385A FR 1107385 A FR1107385 A FR 1107385A FR 1107385D A FR1107385D A FR 1107385DA FR 1107385 A FR1107385 A FR 1107385A
- Authority
- FR
- France
- Prior art keywords
- projection device
- cinematographic projection
- cinematographic
- 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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2026—Gas discharge type light sources, e.g. arcs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1107385T | 1954-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1107385A true FR1107385A (en) | 1955-12-30 |
Family
ID=9624425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1107385D Expired FR1107385A (en) | 1954-09-08 | 1954-09-08 | Cinematographic projection device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1107385A (en) |
-
1954
- 1954-09-08 FR FR1107385D patent/FR1107385A/en not_active Expired
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