FR962280A - - Google Patents

Info

Publication number
FR962280A
FR962280A FR962280DA FR962280A FR 962280 A FR962280 A FR 962280A FR 962280D A FR962280D A FR 962280DA FR 962280 A FR962280 A FR 962280A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
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 FR962280A publication Critical patent/FR962280A/fr
Expired legal-status Critical Current

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
    • H03J7/06—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 using counters or frequency dividers
    • H03J7/065—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 using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
    • 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
    • H03J7/042—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 with reactance tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it
FR962280D 1946-05-31 Expired FR962280A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US673265A US2521070A (en) 1946-05-31 1946-05-31 Oscillation generator

Publications (1)

Publication Number Publication Date
FR962280A true FR962280A (fr) 1950-06-07

Family

ID=24701944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR962280D Expired FR962280A (fr) 1946-05-31

Country Status (4)

Country Link
US (1) US2521070A (fr)
CH (1) CH258158A (fr)
FR (1) FR962280A (fr)
GB (1) GB640919A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE485015A (fr) * 1947-09-26
BE484014A (fr) * 1947-09-26
US2568412A (en) * 1948-03-13 1951-09-18 Rca Corp Automatic wide range electrical wave generator of high stability
US2789223A (en) * 1951-05-01 1957-04-16 Rca Corp Automatic frequency control
US2798952A (en) * 1951-06-05 1957-07-09 Gertsch Products Inc Direct reading very-high-frequency meter and signal generator
US2786140A (en) * 1952-08-22 1957-03-19 Gen Radio Co Apparatus for frequency interpolation
DE962587C (de) * 1952-11-15 1957-04-25 Wilhelm Kengelbach Feuer-, Unfall- und Sicherheitsmeldeanlage
US2891157A (en) * 1952-11-24 1959-06-16 Servo Corp Of America Frequency control means
DE1023373B (de) * 1953-11-03 1958-01-23 Wilhelm Kengelbach Feuer-, Unfall- und Sicherheits-meldeanlage
DE1018111B (de) * 1953-11-05 1957-10-24 Phil Habil Oskar Vierling Dr Verfahren zur Frequenzmessung oder zur Frequenzstabilisierung
US2903894A (en) * 1954-01-22 1959-09-15 Legros Robert Guy Method and apparatus for the transmission and reception of radio signals on a large number of regularly spaced frequencies
CH321345A (de) * 1954-03-01 1957-04-30 Standard Telephon & Radio Ag Verfahren zur Trägerstabilisierung von Nachrichtensendern mit mehreren Hochfrequenzkanälen
US2808509A (en) * 1954-03-19 1957-10-01 Bell Telephone Labor Inc Frequency controlled variable oscillator
US2843739A (en) * 1954-12-02 1958-07-15 Rca Corp Frequency control system
DE1041108B (de) * 1956-04-18 1958-10-16 Siemens Ag Einrichtung zur Erzeugung nebenwellenfreier Harmonischer
US2938171A (en) * 1957-07-19 1960-05-24 Mackay Radio & Telegraph Co Stabilized low frequency wave generating circuit
US3398377A (en) * 1963-08-19 1968-08-20 Litton Systems Inc Multiple-frequency generators

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1847160A (en) * 1932-03-01 Frequency control
US1931873A (en) * 1931-09-30 1933-10-24 Bell Telephone Labor Inc Frequency control system
US2166805A (en) * 1936-04-28 1939-07-18 Gen Electric Control circuit
US2096881A (en) * 1936-06-09 1937-10-26 Wired Radio Inc Electronic synchronizing system
US2121735A (en) * 1936-12-21 1938-06-21 Rca Corp Automatic frequency control circuit
US2147509A (en) * 1937-03-01 1939-02-14 Hazeltine Corp Automatic frequency control circuits
US2210781A (en) * 1937-06-08 1940-08-06 Gen Electric Control circuit
US2177713A (en) * 1937-08-10 1939-10-31 Hazeltine Corp Frequency-selective network
US2230588A (en) * 1937-09-15 1941-02-04 Colonial Radio Corp Radio receiving apparatus
US2207934A (en) * 1938-04-12 1940-07-16 Rca Corp Automatic frequency control system
US2280139A (en) * 1941-01-23 1942-04-21 Hazeltine Corp Carrier-signal receiver
US2369663A (en) * 1942-02-28 1945-02-20 Bell Telephone Labor Inc Synchronizing system
US2425922A (en) * 1943-04-03 1947-08-19 Rca Corp Frequency discriminator circuit
US2407863A (en) * 1943-04-12 1946-09-17 Hartford Nat Bank & Trust Co Reception of frequency modulated waves
US2406125A (en) * 1943-12-17 1946-08-20 Hartford Nat Bank & Trust Co Frequency stabilizing system

Also Published As

Publication number Publication date
CH258158A (de) 1948-11-15
US2521070A (en) 1950-09-05
GB640919A (en) 1950-08-02

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