FR2371050B1 - - Google Patents

Info

Publication number
FR2371050B1
FR2371050B1 FR7734435A FR7734435A FR2371050B1 FR 2371050 B1 FR2371050 B1 FR 2371050B1 FR 7734435 A FR7734435 A FR 7734435A FR 7734435 A FR7734435 A FR 7734435A FR 2371050 B1 FR2371050 B1 FR 2371050B1
Authority
FR
France
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
FR7734435A
Other languages
French (fr)
Other versions
FR2371050A1 (en
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.)
BERTUS AG
Original Assignee
BERTUS AG
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 BERTUS AG filed Critical BERTUS AG
Publication of FR2371050A1 publication Critical patent/FR2371050A1/en
Application granted granted Critical
Publication of FR2371050B1 publication Critical patent/FR2371050B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Pens And Brushes (AREA)
  • Adornments (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
FR7734435A 1976-11-16 1977-11-16 Ballast device for operation of fluorescent lamp - has ratio of sheet metal areas for core pieces selected to give min. wastage of active material Granted FR2371050A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762652171 DE2652171A1 (en) 1976-11-16 1976-11-16 CONTROL UNIT ETC. WITH E- AND I-SHAPED CORE PLATES

Publications (2)

Publication Number Publication Date
FR2371050A1 FR2371050A1 (en) 1978-06-09
FR2371050B1 true FR2371050B1 (en) 1983-01-14

Family

ID=5993282

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7734435A Granted FR2371050A1 (en) 1976-11-16 1977-11-16 Ballast device for operation of fluorescent lamp - has ratio of sheet metal areas for core pieces selected to give min. wastage of active material

Country Status (6)

Country Link
DE (1) DE2652171A1 (en)
FR (1) FR2371050A1 (en)
IT (1) IT1091455B (en)
NL (1) NL7711676A (en)
NO (1) NO773907L (en)
SE (1) SE7712845L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933781C2 (en) * 1979-08-21 1982-10-07 Fa. Hermann Schwabe, 7067 Urbach Process for the production of E-shaped core sheets and I-shaped return yoke sheets for a choke or a transformer, in particular for gas discharge lamps
DE2950789C2 (en) * 1979-12-17 1982-07-01 May & Christe Gmbh, Transformatorenwerke, 6370 Oberursel Ballast for fluorescent lamps
DE3510854A1 (en) * 1985-03-26 1986-10-02 Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7068 Urbach METHOD FOR THE PRODUCTION OF U-SHAPED CORE SHEETS AND T-SHAPED BACK-SHAPING SHEETS THAT MATCH BETWEEN THE SIDE OF THEM OF A THROTTLE OR A TRANSFORMER, ESPECIALLY FOR GAS DISCHARGE LAMPS
DE3611069A1 (en) * 1986-04-03 1987-10-08 Schwabe Gmbh ADJUSTABLE THROTTLE, ESPECIALLY FOR GAS DISCHARGE LAMPS
DE102004012436B4 (en) 2004-03-12 2006-04-20 Vossloh-Schwabe Deutschland Gmbh Core sheet for inductive component

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077570A (en) * 1959-01-28 1963-02-12 Gen Electric Inductive device
US3254318A (en) * 1962-10-16 1966-05-31 Westinghouse Electric Corp Welding apparatus
DE2042424A1 (en) * 1970-08-27 1972-03-09 Licentia Gmbh Ballast choke for fluorescent lamps
GB1464798A (en) * 1973-08-20 1977-02-16 Zumtobel W Transformer or choke with an iron body
DE2344403C3 (en) * 1973-09-03 1986-10-02 Bertos AG, Glarus Ballast for fluorescent lamps, choke coil or similar inductive device

Also Published As

Publication number Publication date
SE7712845L (en) 1978-05-17
NO773907L (en) 1978-05-18
FR2371050A1 (en) 1978-06-09
DE2652171A1 (en) 1978-05-24
IT1091455B (en) 1985-07-06
NL7711676A (en) 1978-05-18

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Legal Events

Date Code Title Description
ST Notification of lapse