NL52742C - - Google Patents
Info
- Publication number
- NL52742C NL52742C NL52742DA NL52742C NL 52742 C NL52742 C NL 52742C NL 52742D A NL52742D A NL 52742DA NL 52742 C NL52742 C NL 52742C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/822—High-pressure mercury lamps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0048—Tubes with a main cathode
- H01J2893/0056—Parts inside tubes brought to incandescence by the discharge
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2177696X | 1937-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52742C true NL52742C (en:Method) |
Family
ID=7988726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52742D NL52742C (en:Method) | 1937-08-05 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2177696A (en:Method) |
| FR (1) | FR841783A (en:Method) |
| NL (1) | NL52742C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2474403A (en) * | 1942-10-15 | 1949-06-28 | Reichinstein David | Arc lamp and its low-tension ignition |
| US2508192A (en) * | 1945-03-07 | 1950-05-16 | Reichinstein David | Arc lamp and circuit therefor |
| DE1139208B (de) * | 1960-07-27 | 1962-11-08 | Patra Patent Treuhand | Hochdruckentladungslampe hoher Leuchtdichte |
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0
- NL NL52742D patent/NL52742C/xx active
-
1938
- 1938-08-02 US US222688A patent/US2177696A/en not_active Expired - Lifetime
- 1938-08-05 FR FR841783D patent/FR841783A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2177696A (en) | 1939-10-31 |
| FR841783A (fr) | 1939-05-26 |