GB1115478A - Improvements in or relating to lamp circuits - Google Patents
Improvements in or relating to lamp circuitsInfo
- Publication number
- GB1115478A GB1115478A GB3443965A GB3443965A GB1115478A GB 1115478 A GB1115478 A GB 1115478A GB 3443965 A GB3443965 A GB 3443965A GB 3443965 A GB3443965 A GB 3443965A GB 1115478 A GB1115478 A GB 1115478A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aug
- relating
- circuit
- heater
- lamp circuits
- 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
- H05B41/2325—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 provided with pre-heating electrodes
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4668464 | 1964-08-14 | ||
| JP6712764 | 1964-11-28 | ||
| JP6954164 | 1964-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1115478A true GB1115478A (en) | 1968-05-29 |
Family
ID=27292692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3443965A Expired GB1115478A (en) | 1964-08-14 | 1965-08-11 | Improvements in or relating to lamp circuits |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1255812B (xx) |
| GB (1) | GB1115478A (xx) |
| NL (1) | NL6510575A (xx) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2337992A (en) * | 1942-01-14 | 1943-12-28 | Alfred P Daniels | High power factor high intensity lamp circuit |
| US2337993A (en) * | 1942-01-14 | 1943-12-28 | Alfred P Daniels | High power factor and high intensity lamp circuit |
| FR912144A (fr) * | 1945-06-29 | 1946-07-31 | Lampes Sa | Perfectionnements aux tubes à décharge |
-
1965
- 1965-08-11 GB GB3443965A patent/GB1115478A/en not_active Expired
- 1965-08-12 NL NL6510575A patent/NL6510575A/xx unknown
- 1965-08-13 DE DE1965N0027172 patent/DE1255812B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL6510575A (xx) | 1966-02-15 |
| DE1255812B (de) | 1967-12-07 |
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