BE470920A - - Google Patents

Info

Publication number
BE470920A
BE470920A BE470920DA BE470920A BE 470920 A BE470920 A BE 470920A BE 470920D A BE470920D A BE 470920DA BE 470920 A BE470920 A BE 470920A
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 BE470920A publication Critical patent/BE470920A/xx

Links

Classifications

    • 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
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/22—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being vacuum tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • 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
BE470920D 1945-09-01 BE470920A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US613979A US2492184A (en) 1945-09-01 1945-09-01 Polyphase oscillator

Publications (1)

Publication Number Publication Date
BE470920A true BE470920A (xx)

Family

ID=24459415

Family Applications (1)

Application Number Title Priority Date Filing Date
BE470920D BE470920A (xx) 1945-09-01

Country Status (5)

Country Link
US (2) US2492184A (xx)
BE (1) BE470920A (xx)
ES (1) ES178724A1 (xx)
GB (1) GB627630A (xx)
NL (1) NL66753C (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2633534A (en) * 1950-02-01 1953-03-31 Bell Telephone Labor Inc Variable frequency oscillator
US2675523A (en) * 1950-10-20 1954-04-13 Fisk Bert Phase modulation keyer
US2714697A (en) * 1953-04-02 1955-08-02 Donald C Small 3-phase, rc, variable voltage, variable frequency oscillator for electric motor
US2971165A (en) * 1958-09-12 1961-02-07 Genisco Inc Multi-phase oscillator with amplitude stabilizing means
US3141139A (en) * 1961-12-26 1964-07-14 Bell Telephone Labor Inc Direct-coupled transistor oscillator having variable source impedance for controlling frequency
US3831112A (en) * 1972-12-27 1974-08-20 Proximity Devices Voltage controlled sweep oscillator
US3918008A (en) * 1972-12-27 1975-11-04 Proximity Devices Voltage controlled sweep oscillator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1745559A (en) * 1924-12-01 1930-02-04 Schrack Eduard Electron-discharge-tube generator
US1972535A (en) * 1930-05-14 1934-09-04 Robert M Page Polyphase relaxation circuit oscillator
US2024489A (en) * 1932-01-08 1935-12-17 Rca Corp Circuit arrangement for generating or amplifying electric oscillations
US2055090A (en) * 1933-02-23 1936-09-22 Rca Corp Electrical oscillation generator
US2236985A (en) * 1939-10-28 1941-04-01 Gen Electric Oscillator
US2373437A (en) * 1940-02-15 1945-04-10 Emi Ltd Twin-discharge tube oscillator
US2321269A (en) * 1941-11-21 1943-06-08 Rca Corp Frequency modulation

Also Published As

Publication number Publication date
ES178724A1 (es) 1947-09-01
USB249184I5 (xx)
US2492184A (en) 1949-12-27
NL66753C (xx)
GB627630A (en) 1949-08-12

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