FI61257B - Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet - Google Patents
Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet Download PDFInfo
- 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
Links
- 238000012935 Averaging Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000012432 intermediate storage Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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)
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)
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)
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/fi 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 PL PL1977197630A patent/PL115304B1/pl unknown
- 1977-04-25 AR AR267342A patent/AR210303A1/es active
- 1977-04-25 MX MX168886A patent/MX144361A/es unknown
- 1977-04-25 YU YU1077/77A patent/YU39800B/xx unknown
- 1977-04-25 DD DD7700198590A patent/DD130980A5/xx 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 NO NO771452A patent/NO143413C/no unknown
- 1977-04-26 ES ES458184A patent/ES458184A1/es not_active Expired
- 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 IT IT22851/77A patent/IT1075507B/it active
- 1977-04-27 NL NLAANVRAGE7704612,A patent/NL188442C/xx not_active IP Right Cessation
-
1980
- 1980-12-30 MY MY25/80A patent/MY8000025A/xx unknown
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired | ||
MA | Patent expired |
Owner name: OY L M ERICSSON AB |