FR1037652A - High intensity arc lamp for projections - Google Patents
High intensity arc lamp for projectionsInfo
- Publication number
- FR1037652A FR1037652A FR1037652DA FR1037652A FR 1037652 A FR1037652 A FR 1037652A FR 1037652D A FR1037652D A FR 1037652DA FR 1037652 A FR1037652 A FR 1037652A
- Authority
- FR
- France
- Prior art keywords
- projections
- high intensity
- arc lamp
- intensity arc
- lamp
- 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 |
---|---|---|---|
CH1037652X | 1950-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1037652A true FR1037652A (en) | 1953-09-22 |
Family
ID=4554067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1037652D Expired FR1037652A (en) | 1950-03-31 | 1950-03-31 | High intensity arc lamp for projections |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1037652A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4809147A (en) * | 1983-08-19 | 1989-02-28 | Masataka Negishi | Lighting device |
-
1950
- 1950-03-31 FR FR1037652D patent/FR1037652A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4809147A (en) * | 1983-08-19 | 1989-02-28 | Masataka Negishi | Lighting device |
US4974138A (en) * | 1983-08-19 | 1990-11-27 | Masataka Negishi | Lighting device |
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