FR1081165A - Ferromagnetic Core Inductance Coils - Google Patents

Ferromagnetic Core Inductance Coils

Info

Publication number
FR1081165A
FR1081165A FR1081165DA FR1081165A FR 1081165 A FR1081165 A FR 1081165A FR 1081165D A FR1081165D A FR 1081165DA FR 1081165 A FR1081165 A FR 1081165A
Authority
FR
France
Prior art keywords
ferromagnetic core
inductance coils
core inductance
coils
ferromagnetic
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)
Inventor
Andre Pierrot
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Application granted granted Critical
Publication of FR1081165A publication Critical patent/FR1081165A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/043—Fixed inductances of the signal type  with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/08—Loading coils for telecommunication circuits
FR1081165D 1953-04-23 1953-04-23 Ferromagnetic Core Inductance Coils Expired FR1081165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1081165T 1953-04-23

Publications (1)

Publication Number Publication Date
FR1081165A true FR1081165A (en) 1954-12-16

Family

ID=9609941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081165D Expired FR1081165A (en) 1953-04-23 1953-04-23 Ferromagnetic Core Inductance Coils

Country Status (1)

Country Link
FR (1) FR1081165A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042685B (en) * 1955-07-11 1958-11-06 Telefunken Gmbh Arrangement for the assembly of closed, metallic cups of uniform prismatic shape and size for coils of telecommunication technology, in particular Pupin coils
US5347257A (en) * 1990-02-23 1994-09-13 Stocker & Yale, Inc. Varying inductances
FR2787625A1 (en) * 1998-12-18 2000-06-23 Convergie Transformer electromagnetic protection element having lower circular section with central hole and upper circular enclosing section with varnished inner/outer face area and outer soldered wire connection.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042685B (en) * 1955-07-11 1958-11-06 Telefunken Gmbh Arrangement for the assembly of closed, metallic cups of uniform prismatic shape and size for coils of telecommunication technology, in particular Pupin coils
US5347257A (en) * 1990-02-23 1994-09-13 Stocker & Yale, Inc. Varying inductances
FR2787625A1 (en) * 1998-12-18 2000-06-23 Convergie Transformer electromagnetic protection element having lower circular section with central hole and upper circular enclosing section with varnished inner/outer face area and outer soldered wire connection.

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