FR1569638A - - Google Patents

Info

Publication number
FR1569638A
FR1569638A FR90002790A FR1569638DA FR1569638A FR 1569638 A FR1569638 A FR 1569638A FR 90002790 A FR90002790 A FR 90002790A FR 1569638D A FR1569638D A FR 1569638DA FR 1569638 A FR1569638 A FR 1569638A
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
FR90002790A
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 filed Critical
Application granted granted Critical
Publication of FR1569638A publication Critical patent/FR1569638A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/08—Fixed transformers not covered by group H01F19/00 characterised by the structure without magnetic core
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/346—Preventing or reducing leakage fields
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR90002790A 1967-12-22 1967-12-22 Expired FR1569638A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR90002790 1967-12-22

Publications (1)

Publication Number Publication Date
FR1569638A true FR1569638A (fr) 1969-06-06

Family

ID=9696548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR90002790A Expired FR1569638A (fr) 1967-12-22 1967-12-22

Country Status (3)

Country Link
BE (1) BE725550A (fr)
FR (1) FR1569638A (fr)
LU (1) LU57592A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021168A1 (fr) * 1979-06-18 1981-01-07 GTE Laboratories Incorporated Lampe fluorescente sans électrode avec réduction des niveaux de radiation du champ électromagnétique extérieur
DE3708963A1 (de) * 1987-03-19 1988-10-06 Thomson Brandt Gmbh Spulenanordnung, verfahren zur herstellung von spulenpaaren sowie vorrichtung zur herstellung von spulenpaaren
EP1460655A2 (fr) 2003-03-14 2004-09-22 Trench Limited Procédé pour la réduction du champ magnétique par découplage dans systèmes a bobines multiples
FR2890227A1 (fr) * 2005-08-23 2007-03-02 Spacecode Sa Inducteur pour generer un champ electromagnetique, station de base et convoyeur le comportant

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021168A1 (fr) * 1979-06-18 1981-01-07 GTE Laboratories Incorporated Lampe fluorescente sans électrode avec réduction des niveaux de radiation du champ électromagnétique extérieur
DE3708963A1 (de) * 1987-03-19 1988-10-06 Thomson Brandt Gmbh Spulenanordnung, verfahren zur herstellung von spulenpaaren sowie vorrichtung zur herstellung von spulenpaaren
EP1460655A2 (fr) 2003-03-14 2004-09-22 Trench Limited Procédé pour la réduction du champ magnétique par découplage dans systèmes a bobines multiples
EP1460655A3 (fr) * 2003-03-14 2008-01-23 Trench Limited Procédé pour la réduction du champ magnétique par découplage dans systèmes a bobines multiples
FR2890227A1 (fr) * 2005-08-23 2007-03-02 Spacecode Sa Inducteur pour generer un champ electromagnetique, station de base et convoyeur le comportant

Also Published As

Publication number Publication date
BE725550A (fr) 1969-05-29
LU57592A1 (fr) 1969-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse