NL65135C - - Google Patents

Info

Publication number
NL65135C
NL65135C NL65135DA NL65135C NL 65135 C NL65135 C NL 65135C NL 65135D A NL65135D A NL 65135DA NL 65135 C NL65135 C NL 65135C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL65135C publication Critical patent/NL65135C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/18—Angle modulation by means of variable impedance by means of a variable reactive element the element being a current-dependent inductor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/14—Controlling the magnetic state of inductor cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
NL65135D 1943-04-16 NL65135C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL616932X 1943-04-16

Publications (1)

Publication Number Publication Date
NL65135C true NL65135C (ja) 1900-01-01

Family

ID=19788296

Family Applications (1)

Application Number Title Priority Date Filing Date
NL65135D NL65135C (ja) 1943-04-16

Country Status (3)

Country Link
FR (1) FR903364A (ja)
GB (1) GB616932A (ja)
NL (1) NL65135C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973734C (de) * 1952-05-02 1960-05-25 Foxboro Co Verstaerker fuer einen Fluessigkeitsmesser

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659868A (en) * 1948-07-09 1953-11-17 Ericsson Telefon Ab L M Modulation by magnetic control of superconductors
NL99544C (ja) * 1953-01-22
DE965725C (de) * 1953-10-10 1957-06-19 Siemens Ag Veraenderbare Induktivitaet mit grosser Variation des Induktivitaetswertes
DE8490152U1 (de) * 1983-09-19 1985-08-14 American Telephone And Telegraph Co., New York, N.Y. Ferrit-Drosselspulenanordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973734C (de) * 1952-05-02 1960-05-25 Foxboro Co Verstaerker fuer einen Fluessigkeitsmesser

Also Published As

Publication number Publication date
FR903364A (fr) 1945-10-01
GB616932A (en) 1949-01-28

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