NL7201668A - - Google Patents
Info
- Publication number
- NL7201668A NL7201668A NL7201668A NL7201668A NL7201668A NL 7201668 A NL7201668 A NL 7201668A NL 7201668 A NL7201668 A NL 7201668A NL 7201668 A NL7201668 A NL 7201668A NL 7201668 A NL7201668 A NL 7201668A
- Authority
- NL
- Netherlands
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/10—Ballasts, e.g. for discharge lamps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712106576 DE2106576A1 (de) | 1971-02-11 | 1971-02-11 | Vorschaltgerät für Gasentladungslampen wie Leuchtröhren oder dergleichen |
| DE19712143268 DE2143268A1 (de) | 1971-08-30 | 1971-08-30 | Vorschaltgeraet fuer gasentladungslampen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7201668A true NL7201668A (xx) | 1972-08-15 |
Family
ID=25760649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201668A NL7201668A (xx) | 1971-02-11 | 1972-02-09 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE779084A (xx) |
| CH (1) | CH543846A (xx) |
| FR (1) | FR2125421B1 (xx) |
| GB (1) | GB1385964A (xx) |
| IT (1) | IT948562B (xx) |
| NL (1) | NL7201668A (xx) |
| SE (1) | SE385260B (xx) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2482894A (en) * | 1947-10-07 | 1949-09-27 | Hanovia Chemical & Mfg Co | Operating system for vapor arc lamps |
| US3003081A (en) * | 1959-05-06 | 1961-10-03 | Advance Transformer Co | Apparatus for igniting and operating gaseous discharge devices |
| US3151276A (en) * | 1960-07-12 | 1964-09-29 | Jefferson Electric Co | Plural lamp ballast |
| DE1539441A1 (de) * | 1967-06-21 | 1970-02-26 | Hoerner Fa Eugen | Hochspannungstransformator zum Zuenden und Betreiben von elektrischen Hochspannungs-Entladungsroehren,insbesondere von Leuchtstoffroehren |
-
1972
- 1972-01-25 CH CH118172A patent/CH543846A/de not_active IP Right Cessation
- 1972-02-08 BE BE779084A patent/BE779084A/xx unknown
- 1972-02-08 GB GB572872A patent/GB1385964A/en not_active Expired
- 1972-02-09 NL NL7201668A patent/NL7201668A/xx unknown
- 1972-02-10 SE SE158172A patent/SE385260B/xx unknown
- 1972-02-11 IT IT4827372A patent/IT948562B/it active
- 1972-02-11 FR FR7204737A patent/FR2125421B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE779084A (fr) | 1972-05-30 |
| CH543846A (de) | 1973-10-31 |
| FR2125421A1 (xx) | 1972-09-29 |
| SE385260B (sv) | 1976-06-14 |
| GB1385964A (en) | 1975-03-05 |
| IT948562B (it) | 1973-06-11 |
| FR2125421B1 (xx) | 1976-01-16 |