DK140327B - Kobling til indbyrdes synkronisering af de paa et pcm-tidsmultipeksfjernmeldenets formidlingsplader forhaandenvaerende centraltaktoscillatorer - Google Patents
Kobling til indbyrdes synkronisering af de paa et pcm-tidsmultipeksfjernmeldenets formidlingsplader forhaandenvaerende centraltaktoscillatorerInfo
- Publication number
- DK140327B DK140327B DK528673AA DK528673A DK140327B DK 140327 B DK140327 B DK 140327B DK 528673A A DK528673A A DK 528673AA DK 528673 A DK528673 A DK 528673A DK 140327 B DK140327 B DK 140327B
- Authority
- DK
- Denmark
- Prior art keywords
- tactoscillators
- multipex
- connection
- mutual synchronization
- pcm time
- Prior art date
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
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
-
- 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
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
-
- 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
- H03L7/091—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector using a sampling device
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2247666A DE2247666C2 (de) | 1972-09-28 | 1972-09-28 | Schaltungsanordnung zur gegenseitigen Synchronisierung der In den Vermittlungsstellen eines PCM-Zeitmultlplex-FernmeMenetzes vorgesehenen Amtstaktoszillatoren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK140327B true DK140327B (da) | 1979-07-30 |
| DK140327C DK140327C (da) | 1979-12-17 |
Family
ID=5857665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK528673A DK140327C (da) | 1972-09-28 | 1973-09-27 | Kobling til indbyrdes synkronisering af de paa et pcm-tidsmultipleksfjernmeldenets formidlingspladser forhaandenvaerende centraltaktoscillatorer |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3920915A (da) |
| JP (1) | JPS4973011A (da) |
| AT (1) | AT329646B (da) |
| BE (1) | BE805474A (da) |
| CH (1) | CH577774A5 (da) |
| DE (1) | DE2247666C2 (da) |
| DK (1) | DK140327C (da) |
| FR (1) | FR2201594B1 (da) |
| GB (1) | GB1439497A (da) |
| IT (1) | IT993403B (da) |
| LU (1) | LU68512A1 (da) |
| NL (1) | NL167068C (da) |
| NO (1) | NO135617C (da) |
| PL (1) | PL91098B1 (da) |
| SE (1) | SE395098B (da) |
| SU (1) | SU812197A3 (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1148884B (it) * | 1980-07-09 | 1986-12-03 | Sits Soc It Telecom Siemens | Unita' di controllo della segnalazione di tipo multifrequenza, di particolare applicazione nelle centrali telefonichde transito di tipo numerico |
| IT8121477A0 (it) * | 1981-04-30 | 1981-04-30 | Italtel Spa | Disposizione circuitale atta ad allineare tra loro una pluralita'di fasci pcm coerenti che pervengono ad un nodo di comunicazione. |
| ATE33327T1 (de) * | 1983-06-10 | 1988-04-15 | Tocom | Haupt-/neben-umsetzersystem. |
| SE466474B (sv) * | 1990-07-10 | 1992-02-17 | Ericsson Telefon Ab L M | Faslaasningskrets foer jitterreducering i digitalt multiplexsystem |
| US5228138A (en) * | 1991-01-23 | 1993-07-13 | Massachusetts Institute Of Technology | Synchronization of hardware oscillators in a mesh-connected parallel processor |
| KR0174596B1 (ko) * | 1995-05-10 | 1999-04-01 | 김광호 | 교환시스템의 망동기제어를 위한 클럭수신회로 |
| FR2952197B1 (fr) * | 2009-10-29 | 2012-08-31 | Commissariat Energie Atomique | Dispositif de generation de signaux d'horloge a comparaison asymetrique d'erreurs de phase |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1081012A (en) * | 1964-11-18 | 1967-08-31 | Ferranti Ltd | Improvements relating to frequency stabilising systems |
| US3504125A (en) * | 1967-02-10 | 1970-03-31 | Bell Telephone Labor Inc | Network synchronization in a time division switching system |
| US3555194A (en) * | 1967-11-17 | 1971-01-12 | Nippon Electric Co | Interstation synchronization apparatus |
| JPS4943809B1 (da) * | 1968-10-25 | 1974-11-25 |
-
1972
- 1972-09-28 DE DE2247666A patent/DE2247666C2/de not_active Expired
-
1973
- 1973-08-31 CH CH1242973A patent/CH577774A5/xx not_active IP Right Cessation
- 1973-09-03 GB GB4130373A patent/GB1439497A/en not_active Expired
- 1973-09-18 AT AT805373A patent/AT329646B/de not_active IP Right Cessation
- 1973-09-20 US US399269A patent/US3920915A/en not_active Expired - Lifetime
- 1973-09-24 SU SU731963374A patent/SU812197A3/ru active
- 1973-09-25 IT IT29320/73A patent/IT993403B/it active
- 1973-09-25 FR FR7334314A patent/FR2201594B1/fr not_active Expired
- 1973-09-26 LU LU68512A patent/LU68512A1/xx unknown
- 1973-09-27 PL PL1973165472A patent/PL91098B1/pl unknown
- 1973-09-27 DK DK528673A patent/DK140327C/da active
- 1973-09-27 NO NO3782/73A patent/NO135617C/no unknown
- 1973-09-28 BE BE136181A patent/BE805474A/xx unknown
- 1973-09-28 NL NL7313423.A patent/NL167068C/xx not_active IP Right Cessation
- 1973-09-28 SE SE7313265A patent/SE395098B/xx unknown
- 1973-09-28 JP JP48110130A patent/JPS4973011A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1439497A (en) | 1976-06-16 |
| LU68512A1 (da) | 1973-12-07 |
| US3920915A (en) | 1975-11-18 |
| FR2201594B1 (da) | 1976-06-18 |
| NL7313423A (da) | 1974-04-01 |
| JPS4973011A (da) | 1974-07-15 |
| DE2247666A1 (de) | 1974-04-18 |
| ATA805373A (de) | 1975-08-15 |
| SE395098B (sv) | 1977-07-25 |
| FR2201594A1 (da) | 1974-04-26 |
| NL167068C (nl) | 1981-10-15 |
| NO135617C (da) | 1977-04-27 |
| NO135617B (da) | 1977-01-17 |
| BE805474A (fr) | 1974-03-28 |
| DE2247666B1 (de) | 1974-07-11 |
| DE2247666C2 (de) | 1975-02-20 |
| AT329646B (de) | 1976-05-25 |
| CH577774A5 (da) | 1976-07-15 |
| SU812197A3 (ru) | 1981-03-07 |
| IT993403B (it) | 1975-09-30 |
| DK140327C (da) | 1979-12-17 |
| PL91098B1 (da) | 1977-02-28 |
| NL167068B (nl) | 1981-05-15 |
| AU6041573A (en) | 1975-03-20 |
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