FR922053A - improved electrode for discharge lamp - Google Patents
improved electrode for discharge lampInfo
- Publication number
- FR922053A FR922053A FR922053DA FR922053A FR 922053 A FR922053 A FR 922053A FR 922053D A FR922053D A FR 922053DA FR 922053 A FR922053 A FR 922053A
- 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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
- H01J61/526—Heating or cooling particular parts of the lamp heating or cooling of electrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1688240A GB543791A (en) | 1940-11-25 | 1940-11-25 | Improvements in hpmv electric discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR922053A true FR922053A (en) | 1947-05-28 |
Family
ID=10085369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR922053D Expired FR922053A (en) | 1940-11-25 | 1946-02-13 | improved electrode for discharge lamp |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE463969A (en) |
FR (1) | FR922053A (en) |
GB (1) | GB543791A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1187730B (en) * | 1961-01-02 | 1965-02-25 | Patra Patent Treuhand | Electrode for gas and / or vapor discharge lamps |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU191305B (en) * | 1984-03-29 | 1987-02-27 | Tungsram Rt,Hu | High pressure sodium or metal halogen lamp for dc operation |
DE102008062676A1 (en) * | 2008-12-17 | 2010-06-24 | Osram Gesellschaft mit beschränkter Haftung | discharge lamp |
-
0
- BE BE463969D patent/BE463969A/xx unknown
-
1940
- 1940-11-25 GB GB1688240A patent/GB543791A/en not_active Expired
-
1946
- 1946-02-13 FR FR922053D patent/FR922053A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1187730B (en) * | 1961-01-02 | 1965-02-25 | Patra Patent Treuhand | Electrode for gas and / or vapor discharge lamps |
Also Published As
Publication number | Publication date |
---|---|
BE463969A (en) | |
GB543791A (en) | 1942-03-12 |
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