FR576230A - Improvements to variable self-induction coils - Google Patents

Improvements to variable self-induction coils

Info

Publication number
FR576230A
FR576230A FR576230DA FR576230A FR 576230 A FR576230 A FR 576230A FR 576230D A FR576230D A FR 576230DA FR 576230 A FR576230 A FR 576230A
Authority
FR
France
Prior art keywords
induction coils
variable self
variable
self
coils
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
Emile Walter
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 FR576230A publication Critical patent/FR576230A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F21/005—Inductances without magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR576230D 1924-01-23 1924-01-23 Improvements to variable self-induction coils Expired FR576230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR576230T 1924-01-23

Publications (1)

Publication Number Publication Date
FR576230A true FR576230A (en) 1924-08-13

Family

ID=8953939

Family Applications (1)

Application Number Title Priority Date Filing Date
FR576230D Expired FR576230A (en) 1924-01-23 1924-01-23 Improvements to variable self-induction coils

Country Status (1)

Country Link
FR (1) FR576230A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781514A (en) * 1953-04-29 1957-02-12 Itt Helical antenna system
DE1256745B (en) * 1964-12-04 1967-12-21 Patelhold Patentverwertung Contact device in high-frequency circuits

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781514A (en) * 1953-04-29 1957-02-12 Itt Helical antenna system
DE1256745B (en) * 1964-12-04 1967-12-21 Patelhold Patentverwertung Contact device in high-frequency circuits

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