FR1179074A - Lighting device for the projection of diaphragms - Google Patents
Lighting device for the projection of diaphragmsInfo
- Publication number
- FR1179074A FR1179074A FR1179074DA FR1179074A FR 1179074 A FR1179074 A FR 1179074A FR 1179074D A FR1179074D A FR 1179074DA FR 1179074 A FR1179074 A FR 1179074A
- Authority
- FR
- France
- Prior art keywords
- diaphragms
- projection
- lighting device
- lighting
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1179074X | 1956-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1179074A true FR1179074A (en) | 1959-05-20 |
Family
ID=7730053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1179074D Expired FR1179074A (en) | 1956-07-26 | 1957-07-18 | Lighting device for the projection of diaphragms |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1179074A (en) |
-
1957
- 1957-07-18 FR FR1179074D patent/FR1179074A/en not_active Expired
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