NL89044B - - Google Patents
Info
- Publication number
- NL89044B NL89044B NL89044DA NL89044B NL 89044 B NL89044 B NL 89044B NL 89044D A NL89044D A NL 89044DA NL 89044 B NL89044 B NL 89044B
- 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
- H01J61/02—Details
- H01J61/56—One or more circuit elements structurally associated with the lamp
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
- H05B41/18—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch
- H05B41/19—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch for lamps having an auxiliary starting electrode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE504432X | 1937-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL89044B true NL89044B (de) |
Family
ID=6546196
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL89044D NL89044B (de) | 1937-07-28 | ||
NL54030D NL54030C (de) | 1937-07-28 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL54030D NL54030C (de) | 1937-07-28 |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR841166A (de) |
GB (1) | GB504432A (de) |
NL (2) | NL54030C (de) |
-
0
- NL NL89044D patent/NL89044B/xx unknown
- NL NL54030D patent/NL54030C/xx active
-
1938
- 1938-07-18 GB GB21259/38A patent/GB504432A/en not_active Expired
- 1938-07-25 FR FR841166D patent/FR841166A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL54030C (de) | |
GB504432A (en) | 1939-04-25 |
FR841166A (fr) | 1939-05-12 |