BE454499A - - Google Patents

Info

Publication number
BE454499A
BE454499A BE454499DA BE454499A BE 454499 A BE454499 A BE 454499A BE 454499D A BE454499D A BE 454499DA BE 454499 A BE454499 A BE 454499A
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 BE454499A publication Critical patent/BE454499A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation
    • 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
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • 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
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
BE454499D 1942-07-04 BE454499A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR54608T 1942-07-04

Publications (1)

Publication Number Publication Date
BE454499A true BE454499A (fr)

Family

ID=8689049

Family Applications (1)

Application Number Title Priority Date Filing Date
BE454499D BE454499A (fr) 1942-07-04

Country Status (2)

Country Link
BE (1) BE454499A (fr)
FR (2) FR54608E (fr)

Also Published As

Publication number Publication date
FR54608E (fr) 1950-07-07
FR960673A (fr) 1950-04-22

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