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
 
- 
        - 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 (en:Method) | 
Family
ID=6546196
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| NL54030D NL54030C (en:Method) | 1937-07-28 | ||
| NL89044D NL89044B (en:Method) | 1937-07-28 | 
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| NL54030D NL54030C (en:Method) | 1937-07-28 | 
Country Status (3)
| Country | Link | 
|---|---|
| FR (1) | FR841166A (en:Method) | 
| GB (1) | GB504432A (en:Method) | 
| NL (2) | NL89044B (en:Method) | 
- 
        0
        - NL NL54030D patent/NL54030C/xx active
- NL NL89044D patent/NL89044B/xx unknown
 
- 
        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 (en:Method) | |
| FR841166A (fr) | 1939-05-12 | 
| GB504432A (en) | 1939-04-25 |