GB532621A - Improvements in apparatus comprising gas-cooled high-pressure metal-vapour electric discharge lamps - Google Patents
Improvements in apparatus comprising gas-cooled high-pressure metal-vapour electric discharge lampsInfo
- Publication number
- GB532621A GB532621A GB25741/39A GB2574139A GB532621A GB 532621 A GB532621 A GB 532621A GB 25741/39 A GB25741/39 A GB 25741/39A GB 2574139 A GB2574139 A GB 2574139A GB 532621 A GB532621 A GB 532621A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- tubes
- tube
- gas
- discharge lamps
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE463638D BE463638A (enrdf_load_stackoverflow) | 1939-09-13 | ||
GB25741/39A GB532621A (en) | 1939-09-13 | 1939-09-13 | Improvements in apparatus comprising gas-cooled high-pressure metal-vapour electric discharge lamps |
US356390A US2278844A (en) | 1939-09-13 | 1940-09-11 | Cooling means for discharge lamps |
FR926584D FR926584A (fr) | 1939-09-13 | 1946-02-20 | Lampe électrique à refroidissement par jet gazeux |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB25741/39A GB532621A (en) | 1939-09-13 | 1939-09-13 | Improvements in apparatus comprising gas-cooled high-pressure metal-vapour electric discharge lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB532621A true GB532621A (en) | 1941-01-28 |
Family
ID=10232522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25741/39A Expired GB532621A (en) | 1939-09-13 | 1939-09-13 | Improvements in apparatus comprising gas-cooled high-pressure metal-vapour electric discharge lamps |
Country Status (4)
Country | Link |
---|---|
US (1) | US2278844A (enrdf_load_stackoverflow) |
BE (1) | BE463638A (enrdf_load_stackoverflow) |
FR (1) | FR926584A (enrdf_load_stackoverflow) |
GB (1) | GB532621A (enrdf_load_stackoverflow) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB630547A (en) * | 1945-03-05 | 1949-10-17 | Gen Electric Co Ltd | Improvements in and relating to electric discharge lamps |
US2528969A (en) * | 1945-03-07 | 1950-11-07 | Michael Reese Res Foundation | Lamp |
US2650322A (en) * | 1945-09-24 | 1953-08-25 | Gen Electric | High-pressure metal vapor electric discharge lamp |
DE1123841B (de) * | 1959-09-08 | 1962-02-15 | Bodenseewerk Perkin Elmer Co | Strahlungsquelle fuer Infrarot-Spektrophotometer |
US3157775A (en) * | 1961-05-03 | 1964-11-17 | Pyrometrics Inc | Radiant heater |
-
0
- BE BE463638D patent/BE463638A/xx unknown
-
1939
- 1939-09-13 GB GB25741/39A patent/GB532621A/en not_active Expired
-
1940
- 1940-09-11 US US356390A patent/US2278844A/en not_active Expired - Lifetime
-
1946
- 1946-02-20 FR FR926584D patent/FR926584A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2278844A (en) | 1942-04-07 |
FR926584A (fr) | 1947-10-06 |
BE463638A (enrdf_load_stackoverflow) |
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