FR990584A - Discriminateur de fréquence - Google Patents

Discriminateur de fréquence

Info

Publication number
FR990584A
FR990584A FR990584DA FR990584A FR 990584 A FR990584 A FR 990584A FR 990584D A FR990584D A FR 990584DA FR 990584 A FR990584 A FR 990584A
Authority
FR
France
Prior art keywords
frequency discriminator
discriminator
frequency
Prior art date
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
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR990584A publication Critical patent/FR990584A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
    • H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • 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
    • 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
    • H03L7/08—Details of the phase-locked loop

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Ac-Ac Conversion (AREA)
FR990584D 1948-07-16 1949-07-13 Discriminateur de fréquence Expired FR990584A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2570013X 1948-07-16

Publications (1)

Publication Number Publication Date
FR990584A true FR990584A (fr) 1951-09-24

Family

ID=19874801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990584D Expired FR990584A (fr) 1948-07-16 1949-07-13 Discriminateur de fréquence

Country Status (4)

Country Link
US (1) US2570013A (fr)
BE (1) BE490173A (fr)
FR (1) FR990584A (fr)
NL (1) NL76306C (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE522627A (fr) * 1952-09-08
DE976528C (de) * 1953-02-22 1963-10-31 Fernseh Gmbh Verfahren zur Frequenzregelung eines Impulsgenerators
US2896074A (en) * 1953-07-31 1959-07-21 Gen Precision Lab Inc Frequency tracker with fixedly-spaced local oscillations equally offset from unknown frequency
US2940052A (en) * 1954-03-08 1960-06-07 Edgar W Van Winkle Frequency control and synchronizing circuit
GB916033A (en) * 1958-07-21 1963-01-16 Solartron Electronic Group Improvements in and relating to electrical oscillation generators
NL280340A (fr) * 1961-06-29 1900-01-01
US3195068A (en) * 1962-11-19 1965-07-13 W W Henry Company Automatic frequency control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2335265A (en) * 1942-07-22 1943-11-30 Scophony Corp Of America Phase discriminator
US2391776A (en) * 1943-05-29 1945-12-25 Rca Corp Intelligence transmission system

Also Published As

Publication number Publication date
US2570013A (en) 1951-10-02
NL76306C (fr)
BE490173A (fr)

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