FR1244757A - Device for synchronizing a local generator of sinusoidal oscillations - Google Patents

Device for synchronizing a local generator of sinusoidal oscillations

Info

Publication number
FR1244757A
FR1244757A FR815107A FR815107A FR1244757A FR 1244757 A FR1244757 A FR 1244757A FR 815107 A FR815107 A FR 815107A FR 815107 A FR815107 A FR 815107A FR 1244757 A FR1244757 A FR 1244757A
Authority
FR
France
Prior art keywords
synchronizing
local generator
sinusoidal oscillations
oscillations
sinusoidal
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
FR815107A
Other languages
French (fr)
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 FR1244757A publication Critical patent/FR1244757A/en
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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/005—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/101—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR815107A 1959-01-09 1960-01-07 Device for synchronizing a local generator of sinusoidal oscillations Expired FR1244757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL235002 1959-01-09

Publications (1)

Publication Number Publication Date
FR1244757A true FR1244757A (en) 1960-10-28

Family

ID=19751507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815107A Expired FR1244757A (en) 1959-01-09 1960-01-07 Device for synchronizing a local generator of sinusoidal oscillations

Country Status (5)

Country Link
DE (1) DE1146526B (en)
ES (1) ES254785A1 (en)
FR (1) FR1244757A (en)
GB (1) GB899935A (en)
NL (2) NL235002A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155773A (en) * 1960-03-09 1964-11-03 Nat Res Dev System for synchronously detecting signals in the presence of noise
US3165709A (en) * 1959-12-24 1965-01-12 Autophon Ag Frequency selection circuit, particularly for call receivers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1041716A (en) * 1962-06-25 1966-09-07 Hitachi Ltd Automatic frequency and phase control system
US3460052A (en) * 1967-08-02 1969-08-05 Information Dev Corp Oscillator phase and frequency synchronizing circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965500C (en) * 1952-05-24 1957-06-13 Fernseh Gmbh Method for synchronizing a vibration generator
DE1804349U (en) * 1959-09-03 1960-01-21 Standard Elektrik Lorenz Ag LINE CATCH ARRANGEMENT FOR TELEVISION RECEIVERS.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165709A (en) * 1959-12-24 1965-01-12 Autophon Ag Frequency selection circuit, particularly for call receivers
US3155773A (en) * 1960-03-09 1964-11-03 Nat Res Dev System for synchronously detecting signals in the presence of noise

Also Published As

Publication number Publication date
ES254785A1 (en) 1960-03-01
NL235002A (en)
GB899935A (en) 1962-06-27
DE1146526B (en) 1963-04-04
NL113527C (en)

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