BE853944A - 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: BE853944A
Authority: BE; Belgium
Prior art keywords: telecommunications network; digital form; phase synchronization; synchronization; phase
Prior art date: 1976-04-27

Application number

BE177005A

Other languages

English (en)

French (fr)

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.)

1976-04-27

Filing date

1977-04-26

Publication date

1977-08-16

1977-04-26 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1977-08-16 Publication of BE853944A publication Critical patent/BE853944A/xx

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)

BE177005A 1976-04-27 1977-04-26 Dispositif de synchronisation de phase d'un reseau de telecommunications sous forme numerique BE853944A (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 (1)

Publication Number	Publication Date
BE853944A true BE853944A (fr)	1977-08-16

Family

ID=20327696

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE177005A BE853944A (fr)	1976-04-27	1977-04-26	Dispositif de synchronisation de phase d'un reseau de telecommunications sous forme numerique

Country Status (28)

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

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

1976
- 1976-04-27 SE SE7604797A patent/SE398698B/xx not_active IP Right Cessation
1977
- 1977-03-26 IN IN452/CAL/77A patent/IN147874B/en unknown
- 1977-03-28 US US05/782,043 patent/US4075428A/en not_active Expired - Lifetime
- 1977-03-30 DE DE19772714219 patent/DE2714219A1/de active Granted
- 1977-04-01 FI FI771016A patent/FI61257C/sv not_active IP Right Cessation
- 1977-04-04 AU AU23947/77A patent/AU500785B2/en not_active Expired
- 1977-04-12 HU HU77EI739A patent/HU176230B/hu unknown
- 1977-04-15 CH CH468477A patent/CH616540A5/de not_active IP Right Cessation
- 1977-04-16 EG EG219/77A patent/EG12839A/xx active
- 1977-04-20 CA CA276,507A patent/CA1101512A/en not_active Expired
- 1977-04-21 FR FR7712026A patent/FR2350012A1/fr active Granted
- 1977-04-21 GB GB16694/77A patent/GB1526637A/en not_active Expired
- 1977-04-25 AR AR267342A patent/AR210303A1/es active
- 1977-04-25 DD DD7700198590A patent/DD130980A5/xx unknown
- 1977-04-25 MX MX168886A patent/MX144361A/es unknown
- 1977-04-25 YU YU1077/77A patent/YU39800B/xx unknown
- 1977-04-25 PL PL1977197630A patent/PL115304B1/pl unknown
- 1977-04-26 ES ES458184A patent/ES458184A1/es not_active Expired
- 1977-04-26 NO NO771452A patent/NO143413C/no unknown
- 1977-04-26 SU SU772474805A patent/SU659111A3/ru active
- 1977-04-26 CS CS772748A patent/CS226167B2/cs unknown
- 1977-04-26 DK DK182377A patent/DK150436C/da not_active IP Right Cessation
- 1977-04-26 BE BE177005A patent/BE853944A/xx not_active IP Right Cessation
- 1977-04-26 JP JP52048337A patent/JPS6010468B2/ja not_active Expired
- 1977-04-26 BR BR7702620A patent/BR7702620A/pt unknown
- 1977-04-27 NL NLAANVRAGE7704612,A patent/NL188442C/xx not_active IP Right Cessation
- 1977-04-27 IT IT22851/77A patent/IT1075507B/it active
1980
- 1980-12-30 MY MY25/80A patent/MY8000025A/xx unknown

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
HU176230B (en)	1981-01-28
PL115304B1 (en)	1981-03-31
AU500785B2 (en)	1979-05-31
FI61257B (fi)	1982-02-26
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 (xx)	1980-07-26
DE2714219A1 (de)	1977-11-17
DE2714219C2 (xx)	1987-08-20
FR2350012B1 (xx)	1983-11-10
IT1075507B (it)	1985-04-22
AU2394777A (en)	1978-10-12
FI771016A (xx)	1977-10-28
CS226167B2 (en)	1984-03-19
CH616540A5 (xx)	1980-03-31
NO771452L (no)	1977-10-28
NO143413C (no)	1981-02-04
SE398698B (sv)	1978-01-09
NO143413B (no)	1980-10-27

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Legal Events

Date

Code

Title

Description

1997-01-01

RE20

Patent expired

Owner name: TELEFON-A.B. L M ERICSSON

Effective date: 19970426