FI61257B - Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet - Google Patents

Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet Download PDF

Info

Publication number
FI61257B
FI61257B FI771016A FI771016A FI61257B FI 61257 B FI61257 B FI 61257B FI 771016 A FI771016 A FI 771016A FI 771016 A FI771016 A FI 771016A FI 61257 B FI61257 B FI 61257B
Authority
FI
Finland
Prior art keywords
output
phase
input
signals
controlled oscillator
Prior art date
Application number
FI771016A
Other languages
English (en)
Swedish (sv)
Other versions
FI61257C (fi
FI771016A (fi
Inventor
Walter Ghisler
Aleksander Marlevi
Johan Olof Aonaes
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI771016A publication Critical patent/FI771016A/fi
Publication of FI61257B publication Critical patent/FI61257B/fi
Application granted granted Critical
Publication of FI61257C publication Critical patent/FI61257C/fi

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0676Mutual
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093Details 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0685Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0688Change 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)
FI771016A 1976-04-27 1977-04-01 Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet FI61257C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7604797 1976-04-27
SE7604797A SE398698B (sv) 1976-04-27 1976-04-27 Anordning for fassynkronisering av en formedlingsstation i ett digitalt telekommunikationsnet

Publications (3)

Publication Number Publication Date
FI771016A FI771016A (fi) 1977-10-28
FI61257B true FI61257B (fi) 1982-02-26
FI61257C FI61257C (fi) 1982-06-10

Family

ID=20327696

Family Applications (1)

Application Number Title Priority Date Filing Date
FI771016A FI61257C (fi) 1976-04-27 1977-04-01 Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet

Country Status (28)

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

Families Citing this family (9)

* 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
FR2484104A1 (fr) * 1980-06-06 1981-12-11 Chomette Andre Boucle d'asservissement a microprocesseur
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 (en) * 1986-12-15 1991-02-05 Scott Marshall Apparatus and method for synchronizing a communication system
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

Family Cites Families (5)

* 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
US3504126A (en) * 1967-05-22 1970-03-31 Bell Telephone Labor Inc Network synchronization in a time division switching system
US3579109A (en) * 1969-04-02 1971-05-18 Gen Dynamics Corp Automatic equalizer for digital data transmission systems
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

Also Published As

Publication number Publication date
DK150436C (da) 1987-07-13
DK150436B (da) 1987-02-23
DK182377A (da) 1977-10-28
NL188442C (nl) 1992-06-16
MX144361A (es) 1981-10-05
BE853944A (fr) 1977-08-16
HU176230B (en) 1981-01-28
PL115304B1 (en) 1981-03-31
AU500785B2 (en) 1979-05-31
US4075428A (en) 1978-02-21
GB1526637A (en) 1978-09-27
MY8000025A (en) 1980-12-31
NL188442B (nl) 1992-01-16
EG12839A (en) 1979-09-30
NL7704612A (nl) 1977-10-31
SU659111A3 (ru) 1979-04-25
CA1101512A (en) 1981-05-19
YU107777A (en) 1982-05-31
ES458184A1 (es) 1978-04-01
FR2350012A1 (fr) 1977-11-25
JPS52151511A (en) 1977-12-16
FI61257C (fi) 1982-06-10
YU39800B (en) 1985-04-30
BR7702620A (pt) 1978-02-28
JPS6010468B2 (ja) 1985-03-18
DD130980A5 (de) 1978-05-17
AR210303A1 (es) 1977-07-15
SE7604797L (sv) 1977-10-28
IN147874B (fi) 1980-07-26
DE2714219A1 (de) 1977-11-17
DE2714219C2 (fi) 1987-08-20
FR2350012B1 (fi) 1983-11-10
IT1075507B (it) 1985-04-22
AU2394777A (en) 1978-10-12
FI771016A (fi) 1977-10-28
CS226167B2 (en) 1984-03-19
CH616540A5 (fi) 1980-03-31
NO771452L (no) 1977-10-28
NO143413C (no) 1981-02-04
SE398698B (sv) 1978-01-09
NO143413B (no) 1980-10-27

Similar Documents

Publication Publication Date Title
FI61257B (fi) Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet
US3961138A (en) Asynchronous bit-serial data receiver
US3893033A (en) Apparatus for producing timing signals that are synchronized with asynchronous data signals
GB2068683A (en) Device for switching digital data
GB1282444A (en) Irregular-to-smooth pulse train converter
GB960511A (en) Improvements to pulse transmission system
US3594733A (en) Digital pulse stretcher
IE44278L (en) Demultiplexers
US4006302A (en) Switching arrangement for extending the receiver stop pulse length in time division multiplex transmission
US3651416A (en) Digital parallax discriminator system
US4187403A (en) Voice-protected, frequency-selective signal receiver
SU1158968A1 (ru) Устройство дл коррекции сигналов времени
RU2037958C1 (ru) Делитель частоты
SU1626432A1 (ru) Устройство циклового фазировани аппаратуры передачи дискретной информации
SU439807A1 (ru) Устройство дл умножени чисел, представленных фазо-импульсными кодами
US3171895A (en) Automatic communication system
SU1188886A1 (ru) Делитель частоты следовани импульсов с переменным коэффициентом делени
US3629839A (en) Time division multiplex switching system
SU1666970A1 (ru) Дискретное фазосдвигающее устройство
SU762202A1 (ru) Многоканальный счетчик импульсов 1
US2828910A (en) Electronic pulse-counting system
SU1367153A1 (ru) Делитель частоты с дробным коэффициентом делени
SU1166127A1 (ru) Устройство дл опроса абонентов
US3875562A (en) Electronic selector having a number of inlets and an equal number of outlets for exchange of analog or digital signals
SU951711A1 (ru) Цифровой делитель частоты следовани импульсов

Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: OY L M ERICSSON AB