GB488142A - Improvements in or relating to devices comprising gas-filled electric discharge tubes - Google Patents
Improvements in or relating to devices comprising gas-filled electric discharge tubesInfo
- Publication number
- GB488142A GB488142A GB2492937A GB2492937A GB488142A GB 488142 A GB488142 A GB 488142A GB 2492937 A GB2492937 A GB 2492937A GB 2492937 A GB2492937 A GB 2492937A GB 488142 A GB488142 A GB 488142A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- gas
- devices
- electric discharge
- discharge tubes
- 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
- 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
- H05B41/20—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 no starting switch
- H05B41/23—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 no starting switch for lamps not having an auxiliary starting electrode
- H05B41/232—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE423589X | 1936-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB488142A true GB488142A (en) | 1938-07-01 |
Family
ID=41131824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2492937A Expired GB488142A (en) | 1936-09-16 | 1937-09-13 | Improvements in or relating to devices comprising gas-filled electric discharge tubes |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT154638B (da) |
| BE (1) | BE423589A (da) |
| CH (1) | CH201111A (da) |
| DK (1) | DK56167C (da) |
| FR (1) | FR826669A (da) |
| GB (1) | GB488142A (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2476773A (en) * | 1945-05-08 | 1949-07-19 | W Dan Bergman Ab | Discharge lamp with light flashes |
-
1937
- 1937-09-13 GB GB2492937A patent/GB488142A/en not_active Expired
- 1937-09-13 DK DK56167D patent/DK56167C/da active
- 1937-09-14 FR FR826669D patent/FR826669A/fr not_active Expired
- 1937-09-14 BE BE423589A patent/BE423589A/fr unknown
- 1937-09-15 CH CH201111D patent/CH201111A/de unknown
- 1937-09-15 AT AT154638D patent/AT154638B/de active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2476773A (en) * | 1945-05-08 | 1949-07-19 | W Dan Bergman Ab | Discharge lamp with light flashes |
Also Published As
| Publication number | Publication date |
|---|---|
| FR826669A (fr) | 1938-04-06 |
| BE423589A (fr) | 1937-10-30 |
| DK56167C (da) | 1939-05-15 |
| AT154638B (de) | 1938-10-10 |
| CH201111A (de) | 1938-11-15 |
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