BE517827A - - Google Patents

Info

Publication number
BE517827A
BE517827A BE517827DA BE517827A BE 517827 A BE517827 A BE 517827A BE 517827D A BE517827D A BE 517827DA BE 517827 A BE517827 A BE 517827A
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 BE517827A publication Critical patent/BE517827A/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
    • 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
    • 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
BE517827D 1952-02-21 BE517827A (un)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR724942X 1952-02-21

Publications (1)

Publication Number Publication Date
BE517827A true BE517827A (un)

Family

ID=9109800

Family Applications (1)

Application Number Title Priority Date Filing Date
BE517827D BE517827A (un) 1952-02-21

Country Status (6)

Country Link
US (1) US2870330A (un)
BE (1) BE517827A (un)
DE (1) DE948169C (un)
FR (2) FR1051017A (un)
GB (1) GB724942A (un)
NL (2) NL92291C (un)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968714C (de) * 1954-06-24 1958-03-20 Schomandl K G Verfahren zur Frequenzsteuerung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972720A (en) * 1957-09-24 1961-02-21 Westinghouse Electric Corp Automatic frequency control apparatus
US3155919A (en) * 1961-01-03 1964-11-03 Collins Radio Co A. f. c. spectrum lock-in circuit
DE1194463B (de) * 1961-09-05 1965-06-10 Siemens Ag Frequenzregelschaltung
US3249886A (en) * 1963-11-27 1966-05-03 Gen Time Corp Frequency multiplying synchronous oscillator controlled by time overlap between synchronous pulses and the oscillator output
GB2294599B (en) * 1994-10-28 1999-04-14 Marconi Instruments Ltd A frequency synthesiser

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295615A (en) * 1941-07-15 1942-09-15 Tucker Dundas Preble Frequency measurement and control
US2438425A (en) * 1942-11-26 1948-03-23 Rca Corp Computing device
US2406125A (en) * 1943-12-17 1946-08-20 Hartford Nat Bank & Trust Co Frequency stabilizing system
BE469203A (un) * 1945-09-20
US2706251A (en) * 1945-12-11 1955-04-12 Carl M Russell Multichannel communication system
US2550519A (en) * 1946-06-12 1951-04-24 Fr Des Telecomm Soc Radio transmitter-receiver station with automatic frequency control
BE484964A (un) * 1947-09-23
BE504213A (un) * 1950-06-27
US2704329A (en) * 1951-07-25 1955-03-15 Rca Corp Frequency control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968714C (de) * 1954-06-24 1958-03-20 Schomandl K G Verfahren zur Frequenzsteuerung

Also Published As

Publication number Publication date
FR1051017A (fr) 1954-01-12
US2870330A (en) 1959-01-20
GB724942A (en) 1955-02-23
NL176205B (nl)
DE948169C (de) 1956-08-30
FR64154E (fr) 1955-10-21
NL92291C (un)

Similar Documents

Publication Publication Date Title
IT615592A (un)
FR999002A (un)
BE520063A (un)
BE520268A (un)
BE533768A (un)
BE526566A (un)
NL92291C (un)
BE523457A (un)
BE521975A (un)
BE519667A (un)
BE518377A (un)
BE518329A (un)
BE517643A (un)
BE517285A (un)
BE515702A (un)
BE514829A (un)
BE521251A (un)
BE520933A (un)
BE520886A (un)
BE520711A (un)
BE520639A (un)
BE520495A (un)
BE520056A (un)
BE519943A (un)
BE519905A (un)