FR939880A - Système d'accord à perméabilité variable - Google Patents

Système d'accord à perméabilité variable

Info

Publication number
FR939880A
FR939880A FR939880DA FR939880A FR 939880 A FR939880 A FR 939880A FR 939880D A FR939880D A FR 939880DA FR 939880 A FR939880 A FR 939880A
Authority
FR
France
Prior art keywords
tuning system
variable permeability
permeability tuning
variable
tuning
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
English (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.)
BRUNET SOC D Ets
Original Assignee
BRUNET SOC D Ets
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 BRUNET SOC D Ets filed Critical BRUNET SOC D Ets
Application granted granted Critical
Publication of FR939880A publication Critical patent/FR939880A/fr
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
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
    • H01F21/065—Measures for obtaining a desired relation between the position of the core and the inductance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR939880D 1947-01-22 1947-01-22 Système d'accord à perméabilité variable Expired FR939880A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR939880T 1947-01-22

Publications (1)

Publication Number Publication Date
FR939880A true FR939880A (fr) 1948-11-26

Family

ID=9458703

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939880D Expired FR939880A (fr) 1947-01-22 1947-01-22 Système d'accord à perméabilité variable

Country Status (1)

Country Link
FR (1) FR939880A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200898B (de) * 1960-07-07 1965-09-16 Autophon Ag Einrichtung mit mindestens einer auf zwei Induktivitaeten sprunghaft einstellbaren Hoch-frequenzspule
DE1246059B (de) * 1960-08-06 1967-08-03 Telefunken Patent Kanalschalterantriebsvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200898B (de) * 1960-07-07 1965-09-16 Autophon Ag Einrichtung mit mindestens einer auf zwei Induktivitaeten sprunghaft einstellbaren Hoch-frequenzspule
DE1246059B (de) * 1960-08-06 1967-08-03 Telefunken Patent Kanalschalterantriebsvorrichtung

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