DK95487C - Coupling to electric discharge pipes. - Google Patents
Coupling to electric discharge pipes.Info
- Publication number
- DK95487C DK95487C DK443456AA DK443456A DK95487C DK 95487 C DK95487 C DK 95487C DK 443456A A DK443456A A DK 443456AA DK 443456 A DK443456 A DK 443456A DK 95487 C DK95487 C DK 95487C
- Authority
- DK
- Denmark
- Prior art keywords
- coupling
- electric discharge
- discharge pipes
- pipes
- electric
- Prior art date
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE2928990X | 1955-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK95487C true DK95487C (en) | 1963-03-04 |
Family
ID=20427851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK443456AA DK95487C (en) | 1955-12-21 | 1956-12-19 | Coupling to electric discharge pipes. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2928990A (en) |
| AT (1) | AT198374B (en) |
| CH (1) | CH349698A (en) |
| DE (1) | DE1080227B (en) |
| DK (1) | DK95487C (en) |
| FR (1) | FR1232913A (en) |
| GB (1) | GB848548A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1097030B (en) * | 1958-06-03 | 1961-01-12 | Bbc Brown Boveri & Cie | Arrangement for the operation and ignition of fluorescent lamps with glow electrodes |
| US4538094A (en) * | 1983-08-12 | 1985-08-27 | Iota Engineering Co. | Lamp ballast with near unity power factor and low harmonic content |
| US4914354A (en) * | 1988-09-08 | 1990-04-03 | General Electric Company | Reactor-type ballast circuit |
| US6147455A (en) * | 1999-06-02 | 2000-11-14 | General Electric Company | Gas discharge lamp ballast circuit with electronic starter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2025471A (en) * | 1934-05-04 | 1935-12-24 | Ferranti Electric Ltd | Correction of power factor |
| US2170447A (en) * | 1938-03-22 | 1939-08-22 | Gen Electric | Electric discharge apparatus |
| CH208077A (en) * | 1938-03-22 | 1939-12-31 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Ignition and operating equipment in systems with AC discharge lamps. |
| US2256242A (en) * | 1939-11-16 | 1941-09-16 | Gen Electric | Gaseous electric discharge apparatus |
| US2722628A (en) * | 1952-03-25 | 1955-11-01 | Gen Electric | Starting and operating apparatus for electric discharge lamps |
-
1956
- 1956-12-11 DE DEL26418A patent/DE1080227B/en active Pending
- 1956-12-12 CH CH349698D patent/CH349698A/en unknown
- 1956-12-13 AT AT198374D patent/AT198374B/en active
- 1956-12-19 DK DK443456AA patent/DK95487C/en active
- 1956-12-19 US US629337A patent/US2928990A/en not_active Expired - Lifetime
- 1956-12-20 GB GB38899/56A patent/GB848548A/en not_active Expired
- 1956-12-21 FR FR728151A patent/FR1232913A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1080227B (en) | 1960-04-21 |
| US2928990A (en) | 1960-03-15 |
| GB848548A (en) | 1960-09-21 |
| CH349698A (en) | 1960-10-31 |
| AT198374B (en) | 1958-06-25 |
| FR1232913A (en) | 1960-10-12 |
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