FR1193848A - - Google Patents
Info
- Publication number
- FR1193848A FR1193848A FR1193848DA FR1193848A FR 1193848 A FR1193848 A FR 1193848A FR 1193848D A FR1193848D A FR 1193848DA FR 1193848 A FR1193848 A FR 1193848A
- Authority
- FR
- France
- 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
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- 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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1193848A true FR1193848A (de) | 1959-11-05 |
Family
ID=1568380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1193848D Expired FR1193848A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1193848A (de) |
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0
- FR FR1193848D patent/FR1193848A/fr not_active Expired