GB1449240A - Phase synchronization circuitry - Google Patents

Phase synchronization circuitry

Info

Publication number
GB1449240A
GB1449240A GB5154173A GB5154173A GB1449240A GB 1449240 A GB1449240 A GB 1449240A GB 5154173 A GB5154173 A GB 5154173A GB 5154173 A GB5154173 A GB 5154173A GB 1449240 A GB1449240 A GB 1449240A
Authority
GB
United Kingdom
Prior art keywords
phase synchronization
synchronization circuitry
phase
nov
synchronism
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
GB5154173A
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of GB1449240A publication Critical patent/GB1449240A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

1449240 Phase detection FUJITSO Ltd 6 Nov 1973 [6 Nov 1972] 51541/73 Heading H3A A circuit for detecting phase synchronism between two signal comprises a phase comparator whose output is applied to a threshold circuit which exhibits hysterisis. The arrangement is used to indicate synchronism in an a.f.c. system.
GB5154173A 1972-11-06 1973-11-06 Phase synchronization circuitry Expired GB1449240A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47110962A JPS4968647A (en) 1972-11-06 1972-11-06

Publications (1)

Publication Number Publication Date
GB1449240A true GB1449240A (en) 1976-09-15

Family

ID=14548915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5154173A Expired GB1449240A (en) 1972-11-06 1973-11-06 Phase synchronization circuitry

Country Status (5)

Country Link
JP (1) JPS4968647A (en)
DE (1) DE2354749A1 (en)
FR (1) FR2205776B1 (en)
GB (1) GB1449240A (en)
IT (1) IT999096B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2812377C2 (en) * 1978-03-21 1983-06-30 Siemens AG, 1000 Berlin und 8000 München Phase-controlled oscillator
DE3130711C2 (en) * 1981-08-03 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Phase-controlled oscillator
JPS5839122A (en) * 1981-08-31 1983-03-07 Fujitsu Ltd Detecting circuit for step-out of synchronism

Also Published As

Publication number Publication date
FR2205776A1 (en) 1974-05-31
DE2354749A1 (en) 1974-05-16
JPS4968647A (en) 1974-07-03
FR2205776B1 (en) 1976-10-01
IT999096B (en) 1976-02-20

Similar Documents

Publication Publication Date Title
AU5819173A (en) Detection system
JPS53111240A (en) Sensor for detecting existence of interval between fed documents
CA1026865A (en) Error detection systems
CA976273A (en) Circuit for accurately detecting the time of occurrence of a waveform
CA921573A (en) Signal detection circuit
CA1005579A (en) Signal transition detection circuit
CA950568A (en) Ranging system using phase detection
ES413520A1 (en) Detector circuits with self-referenced bias
ES409445A1 (en) System and device to compare the phase and frequency between electrical signals
CA937983A (en) Self-powered signal buoy
GB1449240A (en) Phase synchronization circuitry
CA937670A (en) Sub-carrier signal generating system having phase compensator
CA929465A (en) Detail boundary detection systems
GB1439055A (en) Detection system
CA953005A (en) Condensate sensing system
GB1249556A (en) Phase comparator and pulse synchronization system using the same
CA931639A (en) Signal gating circuit
GB1258804A (en)
CA925584A (en) Means for, and method of, measuring or detecting mechanical displacements
ES414190A1 (en) Detection of phase interruption in a polyphase system
CA873990A (en) Batteryless data receiver having power supply isolation between detection circuits and signal output
CA833777A (en) Electronic detection system
CA838858A (en) Object detection system
GB1461515A (en) Phase detectors
AU6017469A (en) Improvements in or relating to synchronous timing system having failure detection feature

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee