FR870482A - Improvements to power transformers for discharge tubes - Google Patents

Improvements to power transformers for discharge tubes

Info

Publication number
FR870482A
FR870482A FR870482DA FR870482A FR 870482 A FR870482 A FR 870482A FR 870482D A FR870482D A FR 870482DA FR 870482 A FR870482 A FR 870482A
Authority
FR
France
Prior art keywords
discharge tubes
power transformers
transformers
power
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR870482A publication Critical patent/FR870482A/en
Expired legal-status Critical Current

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
    • 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)
  • Coils Of Transformers For General Uses (AREA)
FR870482D 1940-02-29 1941-02-28 Improvements to power transformers for discharge tubes Expired FR870482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US321486A US2269978A (en) 1940-02-29 1940-02-29 Electrical apparatus

Publications (1)

Publication Number Publication Date
FR870482A true FR870482A (en) 1942-03-12

Family

ID=23250793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870482D Expired FR870482A (en) 1940-02-29 1941-02-28 Improvements to power transformers for discharge tubes

Country Status (3)

Country Link
US (1) US2269978A (en)
FR (1) FR870482A (en)
GB (1) GB544997A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429604A (en) * 1941-07-14 1947-10-28 Nat Inv S Corp Transformer
US2496981A (en) * 1944-04-26 1950-02-07 Boucher And Keiser Company Negative reactance lamp system
US2465103A (en) * 1944-06-02 1949-03-22 Solar Mfg Corp Lighting system and apparatus
US2585963A (en) * 1945-02-05 1952-02-19 Percival K Ranney Apparatus for and system of gaseous tube lighting
US2515109A (en) * 1946-03-20 1950-07-11 Berger Paul Transformer
US2518767A (en) * 1946-05-13 1950-08-15 Hirsch Epstein Transformer
US2549288A (en) * 1946-07-12 1951-04-17 Nat Inv S Corp Lighting system and apparatus
US2591484A (en) * 1946-08-09 1952-04-01 Hazeltine Research Inc Arrangement for desensitizing highfrequency electrical-wave apparatus
US2561855A (en) * 1948-09-23 1951-07-24 Gen Electric Ballast construction
US2620372A (en) * 1948-10-11 1952-12-02 Edwin G Goddard Tube holder and lighting system
US2562693A (en) * 1948-12-31 1951-07-31 Gen Electric Magnetic core
US2648802A (en) * 1949-01-10 1953-08-11 France Mfg Company System and apparatus for gaseous tubes
US2832008A (en) * 1951-05-17 1958-04-22 Advance Transformer Co Circuit for starting and operating gaseous discharge devices
US2774010A (en) * 1951-10-13 1956-12-11 Advance Transformer Co Apparatus for starting and operating gaseous discharge devices
US2797395A (en) * 1952-01-22 1957-06-25 Westinghouse Electric Corp Cores
US2774011A (en) * 1952-02-23 1956-12-11 Advance Transformer Co Ballast for gaseous discharge devices
US2874332A (en) * 1952-09-30 1959-02-17 Philips Corp Circuit for starting and operating multiple electric discharge lamp
US2877382A (en) * 1953-09-23 1959-03-10 Westinghouse Electric Corp Apparatus for operating gaseous discharge devices
US2713666A (en) * 1954-02-19 1955-07-19 Gen Electric Reactor
US2900577A (en) * 1955-11-03 1959-08-18 Albert E Feinberg Ballast and lighting system for fluorescent lamps

Also Published As

Publication number Publication date
GB544997A (en) 1942-05-06
US2269978A (en) 1942-01-13

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