BE485428A - - Google Patents

Info

Publication number
BE485428A
BE485428A BE485428DA BE485428A BE 485428 A BE485428 A BE 485428A BE 485428D A BE485428D A BE 485428DA BE 485428 A BE485428 A BE 485428A
Authority
BE
Belgium
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 of BE485428A publication Critical patent/BE485428A/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube
BE485428D 1947-10-24 BE485428A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL135580 1947-10-24

Publications (1)

Publication Number Publication Date
BE485428A true BE485428A (zh)

Family

ID=19750432

Family Applications (1)

Application Number Title Priority Date Filing Date
BE485428D BE485428A (zh) 1947-10-24

Country Status (8)

Country Link
US (1) US2557188A (zh)
BE (1) BE485428A (zh)
CH (1) CH268708A (zh)
DE (1) DE809820C (zh)
ES (1) ES185661A1 (zh)
FR (1) FR973903A (zh)
GB (1) GB651945A (zh)
NL (1) NL70313C (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199596B (de) * 1961-03-03 1965-08-26 Riegg & Co G M B H Schwingungsgenerator fuer elektronische Musikinstrumente
DE1283927B (de) * 1966-09-15 1968-11-28 Standard Elektrik Lorenz Ag Frequenzmodulierbarer Oszillator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2250526A (en) * 1937-03-02 1941-07-29 Telefunken Gmbh Oscillator control circuit
US2361731A (en) * 1940-12-12 1944-10-31 Patents Res Corp Reactance system
US2321354A (en) * 1941-03-25 1943-06-08 Radio Patents Corp Electrical apparatus
US2305262A (en) * 1941-06-30 1942-12-15 Edward H Lange Method and means for normalizing thermionic oscillators
US2378245A (en) * 1942-03-17 1945-06-12 Radio Patents Corp Variable frequency oscillator

Also Published As

Publication number Publication date
FR973903A (fr) 1951-02-16
NL70313C (zh)
DE809820C (de) 1951-08-02
GB651945A (en) 1951-04-11
US2557188A (en) 1951-06-19
CH268708A (de) 1950-05-31
ES185661A1 (es) 1949-04-01

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