FR1073866A - Appareil d'éclairage - Google Patents
Appareil d'éclairageInfo
- Publication number
- FR1073866A FR1073866A FR1073866DA FR1073866A FR 1073866 A FR1073866 A FR 1073866A FR 1073866D A FR1073866D A FR 1073866DA FR 1073866 A FR1073866 A FR 1073866A
- Authority
- FR
- France
- Prior art keywords
- lighting fixture
- fixture
- 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
- G03B21/208—Homogenising, shaping of the illumination light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1073866X | 1952-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1073866A true FR1073866A (fr) | 1954-09-29 |
Family
ID=7720119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1073866D Expired FR1073866A (fr) | 1952-05-20 | 1953-03-31 | Appareil d'éclairage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1073866A (fr) |
-
1953
- 1953-03-31 FR FR1073866D patent/FR1073866A/fr not_active Expired
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