FR2350012A1 - Dispositif de synchronisation de phase d'un reseau de telecommunications sous forme numerique - Google Patents

Dispositif de synchronisation de phase d'un reseau de telecommunications sous forme numerique

Info

Publication number
FR2350012A1
FR2350012A1 FR7712026A FR7712026A FR2350012A1 FR 2350012 A1 FR2350012 A1 FR 2350012A1 FR 7712026 A FR7712026 A FR 7712026A FR 7712026 A FR7712026 A FR 7712026A FR 2350012 A1 FR2350012 A1 FR 2350012A1
Authority
FR
France
Prior art keywords
telecommunications network
digital form
phase synchronization
synchronization
phase
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.)
Granted
Application number
FR7712026A
Other languages
English (en)
Other versions
FR2350012B1 (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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of FR2350012A1 publication Critical patent/FR2350012A1/fr
Application granted granted Critical
Publication of FR2350012B1 publication Critical patent/FR2350012B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0676—Mutual
    • 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
    • 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
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
FR7712026A 1976-04-27 1977-04-21 Dispositif de synchronisation de phase d'un reseau de telecommunications sous forme numerique Granted FR2350012A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7604797A SE398698B (sv) 1976-04-27 1976-04-27 Anordning for fassynkronisering av en formedlingsstation i ett digitalt telekommunikationsnet

Publications (2)

Publication Number Publication Date
FR2350012A1 true FR2350012A1 (fr) 1977-11-25
FR2350012B1 FR2350012B1 (fr) 1983-11-10

Family

ID=20327696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712026A Granted FR2350012A1 (fr) 1976-04-27 1977-04-21 Dispositif de synchronisation de phase d'un reseau de telecommunications sous forme numerique

Country Status (28)

Country Link
US (1) US4075428A (fr)
JP (1) JPS6010468B2 (fr)
AR (1) AR210303A1 (fr)
AU (1) AU500785B2 (fr)
BE (1) BE853944A (fr)
BR (1) BR7702620A (fr)
CA (1) CA1101512A (fr)
CH (1) CH616540A5 (fr)
CS (1) CS226167B2 (fr)
DD (1) DD130980A5 (fr)
DE (1) DE2714219A1 (fr)
DK (1) DK150436C (fr)
EG (1) EG12839A (fr)
ES (1) ES458184A1 (fr)
FI (1) FI61257C (fr)
FR (1) FR2350012A1 (fr)
GB (1) GB1526637A (fr)
HU (1) HU176230B (fr)
IN (1) IN147874B (fr)
IT (1) IT1075507B (fr)
MX (1) MX144361A (fr)
MY (1) MY8000025A (fr)
NL (1) NL188442C (fr)
NO (1) NO143413C (fr)
PL (1) PL115304B1 (fr)
SE (1) SE398698B (fr)
SU (1) SU659111A3 (fr)
YU (1) YU39800B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484104A1 (fr) * 1980-06-06 1981-12-11 Chomette Andre Boucle d'asservissement a microprocesseur

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1074199B (it) * 1976-12-23 1985-04-17 Italiana Telecomunicazioni Ora Memoria elastica per la soppressione del disturbo di fase (jitter)nei sistemi di trasmissione per segnali digitali
SE7714965L (sv) * 1977-12-30 1979-07-01 Ericsson Telefon Ab L M Anordning for att uppretthalla synkronism i ett digitalt telekommunikationsnet
SE430456B (sv) * 1982-03-10 1983-11-14 Ericsson Telefon Ab L M Sett och anordning for att fassynkronisera en formedlingstation i ett digitalt telekommunikationsnet
SE433282B (sv) * 1982-09-20 1984-05-14 Ellemtel Utvecklings Ab Synkroniseringssystem
CA1279909C (fr) * 1986-12-15 1991-02-05 Scott Marshall Dispositif et methode de synchronisation d'un systeme de communication
US6392578B1 (en) * 2000-04-20 2002-05-21 Analog Devices, Inc. Digital-to-analog converter and a method for facilitating outputting of an analog output of predetermined value from the digital-to-analog converter in response to a digital input code
FI121771B (fi) * 2009-01-16 2011-03-31 Tellabs Oy Menetelmä ja järjestely kellosignaalin säätämiseksi
FI123505B (fi) * 2011-03-14 2013-06-14 Tellabs Oy Menetelmä ja laite kellosignaalilähteen ohjaamiseksi

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311739A (en) * 1963-01-10 1967-03-28 Ibm Accumulative multiplier
US3579109A (en) * 1969-04-02 1971-05-18 Gen Dynamics Corp Automatic equalizer for digital data transmission systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504126A (en) * 1967-05-22 1970-03-31 Bell Telephone Labor Inc Network synchronization in a time division switching system
BE789775A (fr) * 1971-10-06 1973-04-06 Siemens Ag Dispositif de synchronisation mutuelle des oscillateurs de cadence de centraux d'un systeme de telecommunications pcm a multiplexage dans le temps
US4025720A (en) * 1975-05-30 1977-05-24 Gte Automatic Electric Laboratories Incorporated Digital bit rate converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311739A (en) * 1963-01-10 1967-03-28 Ibm Accumulative multiplier
US3579109A (en) * 1969-04-02 1971-05-18 Gen Dynamics Corp Automatic equalizer for digital data transmission systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484104A1 (fr) * 1980-06-06 1981-12-11 Chomette Andre Boucle d'asservissement a microprocesseur

Also Published As

Publication number Publication date
EG12839A (en) 1979-09-30
GB1526637A (en) 1978-09-27
JPS52151511A (en) 1977-12-16
YU39800B (en) 1985-04-30
FI771016A (fr) 1977-10-28
SE398698B (sv) 1978-01-09
IT1075507B (it) 1985-04-22
NL188442C (nl) 1992-06-16
DK182377A (da) 1977-10-28
AU500785B2 (en) 1979-05-31
SE7604797L (sv) 1977-10-28
YU107777A (en) 1982-05-31
BE853944A (fr) 1977-08-16
DE2714219A1 (de) 1977-11-17
SU659111A3 (ru) 1979-04-25
NL188442B (nl) 1992-01-16
NO143413C (no) 1981-02-04
JPS6010468B2 (ja) 1985-03-18
IN147874B (fr) 1980-07-26
MY8000025A (en) 1980-12-31
DD130980A5 (de) 1978-05-17
CA1101512A (fr) 1981-05-19
DK150436C (da) 1987-07-13
FR2350012B1 (fr) 1983-11-10
CH616540A5 (fr) 1980-03-31
NO771452L (no) 1977-10-28
DE2714219C2 (fr) 1987-08-20
NO143413B (no) 1980-10-27
NL7704612A (nl) 1977-10-31
MX144361A (es) 1981-10-05
DK150436B (da) 1987-02-23
FI61257B (fi) 1982-02-26
US4075428A (en) 1978-02-21
ES458184A1 (es) 1978-04-01
PL115304B1 (en) 1981-03-31
AR210303A1 (es) 1977-07-15
BR7702620A (pt) 1978-02-28
CS226167B2 (en) 1984-03-19
AU2394777A (en) 1978-10-12
HU176230B (en) 1981-01-28
FI61257C (fi) 1982-06-10

Similar Documents

Publication Publication Date Title
FR2344072A1 (fr) Systeme d'horloge de synchronisation
JPS5383561A (en) Phase synchronization loop system
FR2345032A1 (fr) Dispositif de synchronisation de television
FR2344198A1 (fr) Reseau de telecommunications
JPS5255451A (en) Digital device for synchronous data communication
JPS5354402A (en) Circuit for setting subscriber*s key telephone set
FR2463964B1 (fr) Dispositif d'affichage a interpolation, notamment pour un oscilloscope numerique
FR2411334B1 (fr) Dispositif de synchronisation et de verrouillage pour boites de vitesses a engrenages
BE853944A (fr) Dispositif de synchronisation de phase d'un reseau de telecommunications sous forme numerique
FR2454227B1 (fr) Generateur de retard numerique pour circuits de synchronisation
JPS5362450A (en) Device for synchronizing main oscillator
DK161357C (da) Fremgangsmaade til fasesynkronisering af en transitcentral i et digitalt telekommunikationsnet samt indretning til udoevelse af fremgangsmaaden
BE829555A (fr) Procede et dispositif pour la synchronisation des oscillateurs de cadence de centraux d'un reseau de tele-communications a multiplexage
FR2454730B1 (fr) Dispositif pour controler la synchronisation d'un recepteur
FR2319265A1 (fr) Montage pour la synchronisation des oscillateurs d'un reseau de telecommunications du type numerique, notamment par les oscillateurs d'un autre reseau de telecommunications
BE870770A (fr) Procede de synchronisation de generateurs d'horloge de bureau dans des centraux d'un reseau de telecommunication
BE842321A (fr) Procede et montage pour la synchronisation d'oscillateurs d'un reseau de telecommunications numeriques par des oscillateurs d'un autre reseau de telecommunications
IT1213391B (it) Circuito per la tempificazione in un apparato per la sincronizzazione di un anello ad aggancio di fase.
FR2275945A1 (fr) Systeme de synchronisation pour reseau de transmission numerique
FR2455822B1 (fr) Dispositif de synchronisation de multiplex dans un central de commutation temporelle
GB1546054A (en) Digital tdm telecommunications network
BE857348A (fr) Dispositif de synchronisation "trame"
FR2341069A1 (fr) Dispositif de synchronisation perfectionne
JPS523364A (en) Sweeping circuit for automatic phase synchronism
FR2354006A1 (fr) Reglage d'horloge pour reseau de transmission de caracteres binaires