FR2520154B1 - - Google Patents

Info

Publication number
FR2520154B1
FR2520154B1 FR8200683A FR8200683A FR2520154B1 FR 2520154 B1 FR2520154 B1 FR 2520154B1 FR 8200683 A FR8200683 A FR 8200683A FR 8200683 A FR8200683 A FR 8200683A FR 2520154 B1 FR2520154 B1 FR 2520154B1
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
FR8200683A
Other languages
French (fr)
Other versions
FR2520154A1 (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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR8200683A priority Critical patent/FR2520154A1/en
Publication of FR2520154A1 publication Critical patent/FR2520154A1/en
Application granted granted Critical
Publication of FR2520154B1 publication Critical patent/FR2520154B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F29/146—Constructional details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/08—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
FR8200683A 1982-01-18 1982-01-18 Current-controlled variable self-inductor for filter circuit - consists of two-half permeable core whose flux level is controlled by external field Granted FR2520154A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8200683A FR2520154A1 (en) 1982-01-18 1982-01-18 Current-controlled variable self-inductor for filter circuit - consists of two-half permeable core whose flux level is controlled by external field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8200683A FR2520154A1 (en) 1982-01-18 1982-01-18 Current-controlled variable self-inductor for filter circuit - consists of two-half permeable core whose flux level is controlled by external field

Publications (2)

Publication Number Publication Date
FR2520154A1 FR2520154A1 (en) 1983-07-22
FR2520154B1 true FR2520154B1 (en) 1984-02-24

Family

ID=9270069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8200683A Granted FR2520154A1 (en) 1982-01-18 1982-01-18 Current-controlled variable self-inductor for filter circuit - consists of two-half permeable core whose flux level is controlled by external field

Country Status (1)

Country Link
FR (1) FR2520154A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2324634A (en) * 1940-12-31 1943-07-20 Harold J Mccreary Electromagnetic inductance apparatus
US2762020A (en) * 1953-04-07 1956-09-04 Helipot Corp Variable inductor
JPS533689Y2 (en) * 1971-01-28 1978-01-30

Also Published As

Publication number Publication date
FR2520154A1 (en) 1983-07-22

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse