FR54441E - improved electrode for discharge lamp - Google Patents
improved electrode for discharge lampInfo
- Publication number
- FR54441E FR54441E FR54441DA FR54441E FR 54441 E FR54441 E FR 54441E FR 54441D A FR54441D A FR 54441DA FR 54441 E FR54441 E FR 54441E
- Authority
- FR
- France
- Prior art keywords
- discharge lamp
- improved electrode
- electrode
- improved
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1583340A GB543161A (en) | 1940-10-29 | 1940-10-29 | Improvements in hpmv electric discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR54441E true FR54441E (en) | 1950-05-02 |
Family
ID=10066350
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR921728D Expired FR921728A (en) | 1940-10-29 | 1946-02-07 | improved electrode for discharge lamp |
FR54441D Expired FR54441E (en) | 1940-10-29 | 1946-02-12 | improved electrode for discharge lamp |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR921728D Expired FR921728A (en) | 1940-10-29 | 1946-02-07 | improved electrode for discharge lamp |
Country Status (4)
Country | Link |
---|---|
BE (2) | BE463968A (en) |
ES (1) | ES174103A1 (en) |
FR (2) | FR921728A (en) |
GB (2) | GB543161A (en) |
Families Citing this family (3)
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 |
US2675496A (en) * | 1949-08-31 | 1954-04-13 | Westinghouse Electric Corp | High-pressure discharge lamp and seal therefor |
DE1011518B (en) * | 1951-01-11 | 1957-07-04 | Hanovia Chemical And Mfg Compa | Electric high pressure discharge lamp |
-
0
- BE BE463994D patent/BE463994A/xx unknown
- BE BE463968D patent/BE463968A/xx unknown
-
1940
- 1940-10-29 GB GB1583340A patent/GB543161A/en not_active Expired
-
1942
- 1942-04-09 GB GB467742A patent/GB554678A/en not_active Expired
-
1946
- 1946-02-07 FR FR921728D patent/FR921728A/en not_active Expired
- 1946-02-12 FR FR54441D patent/FR54441E/en not_active Expired
- 1946-06-28 ES ES174103A patent/ES174103A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES174103A1 (en) | 1946-08-01 |
GB543161A (en) | 1942-02-12 |
FR921728A (en) | 1947-05-16 |
BE463968A (en) | |
GB554678A (en) | 1943-07-14 |
BE463994A (en) |
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