CH265358A - Circuit for keeping the mean frequency of a frequency-modulated high-frequency oscillator constant. - Google Patents

Circuit for keeping the mean frequency of a frequency-modulated high-frequency oscillator constant.

Info

Publication number
CH265358A
CH265358A CH265358DA CH265358A CH 265358 A CH265358 A CH 265358A CH 265358D A CH265358D A CH 265358DA CH 265358 A CH265358 A CH 265358A
Authority
CH
Switzerland
Prior art keywords
frequency
keeping
circuit
mean
modulated high
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH265358A publication Critical patent/CH265358A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
CH265358D 1943-05-26 1947-08-07 Circuit for keeping the mean frequency of a frequency-modulated high-frequency oscillator constant. CH265358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US488582A US2456763A (en) 1943-05-26 1943-05-26 Frequency stabilization

Publications (1)

Publication Number Publication Date
CH265358A true CH265358A (en) 1949-11-30

Family

ID=23940249

Family Applications (1)

Application Number Title Priority Date Filing Date
CH265358D CH265358A (en) 1943-05-26 1947-08-07 Circuit for keeping the mean frequency of a frequency-modulated high-frequency oscillator constant.

Country Status (5)

Country Link
US (1) US2456763A (en)
CH (1) CH265358A (en)
DE (1) DE809818C (en)
FR (1) FR957704A (en)
NL (1) NL69105C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717359A (en) * 1947-01-10 1955-09-06 Honeywell Regulator Co Measuring apparatus
US2653243A (en) * 1948-08-17 1953-09-22 Westinghouse Electric Corp Automatic tuning of resonant circuits
US2584780A (en) * 1948-10-28 1952-02-05 Rca Corp Frequency control circuit
US2593395A (en) * 1950-03-17 1952-04-15 Rca Corp High-frequency amplitude modulated transmitter
NL80426C (en) * 1950-04-11
US3078752A (en) * 1951-12-26 1963-02-26 Rca Corp Circuit for simulating vibrato effect by amplitude modulation of tone by sawtooth waveform
US2778999A (en) * 1952-11-15 1957-01-22 Gen Precision Lab Inc Automatic frequency control for frequency modulated generators
US2848610A (en) * 1953-05-25 1958-08-19 Vitro Corp Of America Oscillator frequency control apparatus
DE1023797B (en) * 1956-03-21 1958-02-06 Siemens Ag Circuit for electrical locking of a tunable oscillator
US3289096A (en) * 1964-09-21 1966-11-29 Jr Robert Noel Longuemare Crystal oscillator frequency stabilization system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1847160A (en) * 1932-03-01 Frequency control
US2279659A (en) * 1937-04-13 1942-04-14 Rca Corp Frequency modulator
US2315050A (en) * 1940-09-26 1943-03-30 Rca Corp Frequency modulation system
USRE22587E (en) * 1940-11-20 1945-01-02 Fixed frequency difference
US2285044A (en) * 1941-03-11 1942-06-02 Rca Corp Wave length modulation system
US2354827A (en) * 1941-05-23 1944-08-01 Rca Corp Frequency control
US2377327A (en) * 1942-09-29 1945-06-05 Rca Corp Automatic frequency control system

Also Published As

Publication number Publication date
DE809818C (en) 1951-08-02
US2456763A (en) 1948-12-21
NL69105C (en)
FR957704A (en) 1950-02-24

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