SE9503370D0 - Klockväljarsystem - Google Patents

Klockväljarsystem

Info

Publication number
SE9503370D0
SE9503370D0 SE9503370A SE9503370A SE9503370D0 SE 9503370 D0 SE9503370 D0 SE 9503370D0 SE 9503370 A SE9503370 A SE 9503370A SE 9503370 A SE9503370 A SE 9503370A SE 9503370 D0 SE9503370 D0 SE 9503370D0
Authority
SE
Sweden
Prior art keywords
clock signals
clock signal
clock
circuits
multiplexor
Prior art date
Application number
SE9503370A
Other languages
English (en)
Other versions
SE9503370L (sv
SE504920C2 (sv
Inventor
Peter Lund
Mats Wilhelmsson
Anders Bjenne
Original Assignee
Ellemtel Utvecklings 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 Ellemtel Utvecklings Ab filed Critical Ellemtel Utvecklings Ab
Priority to SE9503370A priority Critical patent/SE504920C2/sv
Publication of SE9503370D0 publication Critical patent/SE9503370D0/sv
Priority to TW085111772A priority patent/TW315577B/zh
Priority to EP96932912A priority patent/EP0852861A1/en
Priority to BR9610690A priority patent/BR9610690A/pt
Priority to CA002232472A priority patent/CA2232472A1/en
Priority to KR10-1998-0702365A priority patent/KR100370731B1/ko
Priority to JP9513360A priority patent/JPH11512898A/ja
Priority to CNB961984228A priority patent/CN1143477C/zh
Priority to AU71516/96A priority patent/AU711166B2/en
Priority to PCT/SE1996/001212 priority patent/WO1997012458A1/en
Publication of SE9503370L publication Critical patent/SE9503370L/sv
Publication of SE504920C2 publication Critical patent/SE504920C2/sv
Priority to NO981244A priority patent/NO981244L/no
Priority to MXPA/A/1998/002331A priority patent/MXPA98002331A/xx
Priority to US09/048,582 priority patent/US6310895B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0421—Circuit arrangements therefor
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
SE9503370A 1995-09-29 1995-09-29 Förfarande och system för redundant klockdistribution till telekommunikationsutrustningar i vilka byte av vald klocksignal bland de inkommande klocksignalerna ständigt sker SE504920C2 (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE9503370A SE504920C2 (sv) 1995-09-29 1995-09-29 Förfarande och system för redundant klockdistribution till telekommunikationsutrustningar i vilka byte av vald klocksignal bland de inkommande klocksignalerna ständigt sker
TW085111772A TW315577B (sv) 1995-09-29 1996-09-26
PCT/SE1996/001212 WO1997012458A1 (en) 1995-09-29 1996-09-27 Clock selector system
JP9513360A JPH11512898A (ja) 1995-09-29 1996-09-27 クロック選択器システム
BR9610690A BR9610690A (pt) 1995-09-29 1996-09-27 Processo para fornecer um sinal de relógio à subsistemas em um sistema eletrônico e rede ou instalação para processar informações e/ou para exucutar prcessos em diferentes estações e/ou para encaminhar informações entre estaçóes
CA002232472A CA2232472A1 (en) 1995-09-29 1996-09-27 Clock selector system
KR10-1998-0702365A KR100370731B1 (ko) 1995-09-29 1996-09-27 클럭선택기시스템
EP96932912A EP0852861A1 (en) 1995-09-29 1996-09-27 Clock selector system
CNB961984228A CN1143477C (zh) 1995-09-29 1996-09-27 时钟信号选择器系统
AU71516/96A AU711166B2 (en) 1995-09-29 1996-09-27 Clock selector system
NO981244A NO981244L (no) 1995-09-29 1998-03-19 Klokke-selektorsystem
MXPA/A/1998/002331A MXPA98002331A (en) 1995-09-29 1998-03-25 Re selector system
US09/048,582 US6310895B1 (en) 1995-09-29 1998-03-27 Clock selector system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503370A SE504920C2 (sv) 1995-09-29 1995-09-29 Förfarande och system för redundant klockdistribution till telekommunikationsutrustningar i vilka byte av vald klocksignal bland de inkommande klocksignalerna ständigt sker

Publications (3)

Publication Number Publication Date
SE9503370D0 true SE9503370D0 (sv) 1995-09-29
SE9503370L SE9503370L (sv) 1997-03-30
SE504920C2 SE504920C2 (sv) 1997-05-26

Family

ID=20399633

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9503370A SE504920C2 (sv) 1995-09-29 1995-09-29 Förfarande och system för redundant klockdistribution till telekommunikationsutrustningar i vilka byte av vald klocksignal bland de inkommande klocksignalerna ständigt sker

Country Status (12)

Country Link
US (1) US6310895B1 (sv)
EP (1) EP0852861A1 (sv)
JP (1) JPH11512898A (sv)
KR (1) KR100370731B1 (sv)
CN (1) CN1143477C (sv)
AU (1) AU711166B2 (sv)
BR (1) BR9610690A (sv)
CA (1) CA2232472A1 (sv)
NO (1) NO981244L (sv)
SE (1) SE504920C2 (sv)
TW (1) TW315577B (sv)
WO (1) WO1997012458A1 (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0982888A1 (de) * 1998-08-28 2000-03-01 Siemens Aktiengesellschaft Telekommunikationssystem sowie Verfahren zum Synchronisieren desselben und zum Senden von Daten
US6674772B1 (en) * 1999-10-28 2004-01-06 Velio Communicaitons, Inc. Data communications circuit with multi-stage multiplexing
JP3946050B2 (ja) * 2002-01-28 2007-07-18 株式会社ルネサステクノロジ データ・クロック・リカバリ回路
US7230468B2 (en) * 2004-03-10 2007-06-12 Hewlett-Packard Development Company, L.P. Systems and methods for providing distributed control signal redundancy among electronic circuits
US7453968B2 (en) * 2004-05-18 2008-11-18 Altera Corporation Dynamic phase alignment methods and apparatus
US7818603B2 (en) 2007-03-28 2010-10-19 Microsoft Corporation Deriving accurate media position information
CN101695188B (zh) * 2009-10-15 2012-01-04 上海华为技术有限公司 校正本地时间的方法以及时钟服务器
WO2012106929A1 (zh) * 2011-07-26 2012-08-16 华为技术有限公司 计算机系统及其配置时钟的方法
KR20160121947A (ko) * 2015-04-13 2016-10-21 에스케이하이닉스 주식회사 반도체 장치

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105900A (en) 1977-02-16 1978-08-08 The Boeing Company Signal selection apparatus for redundant signal sources
US4185245A (en) 1978-05-15 1980-01-22 International Telephone And Telegraph Corporation Fault-tolerant clock signal distribution arrangement
US4239982A (en) 1978-06-14 1980-12-16 The Charles Stark Draper Laboratory, Inc. Fault-tolerant clock system
FR2513471A1 (fr) 1981-09-18 1983-03-25 Cit Alcatel Dispositif de distribution de signaux pour autocommutateur temporel
US4598257A (en) * 1983-05-31 1986-07-01 Siemens Corporate Research & Support, Inc. Clock pulse signal generator system
JPS60225982A (ja) 1984-04-24 1985-11-11 Japanese National Railways<Jnr> ３重系におけるクロツクパルス同期装置
FR2577088B1 (fr) * 1985-02-07 1987-03-06 Thomson Csf Mat Tel Repeteur pour distribution d'horloge tripliquee
FR2577087B1 (fr) * 1985-02-07 1987-03-06 Thomson Csf Mat Tel Dispositif de distribution d'horloge tripliquee, chaque signal d'horloge comportant un signal de synchronisation
US4672299A (en) * 1986-05-23 1987-06-09 American Telephone And Telegraph Co. Clock control circuit for phase control
US4788670A (en) * 1987-08-18 1988-11-29 Siemens Aktiengesellschaft Clock voltage supply
JPH0797328B2 (ja) 1988-10-25 1995-10-18 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン フオールト・トレラント同期システム
US5008636A (en) 1988-10-28 1991-04-16 Apollo Computer, Inc. Apparatus for low skew system clock distribution and generation of 2X frequency clocks
EP0394725B1 (de) 1989-04-28 1996-02-14 Siemens Aktiengesellschaft Taktverteilereinrichtung
US5249206A (en) * 1989-08-11 1993-09-28 International Business Machines Corporation Fault-tolerant clock for multicomputer complex
SE501156C2 (sv) 1993-04-21 1994-11-28 Ellemtel Utvecklings Ab Referenssignal sammansatt av klocksignal och synkroniseringssignal, anordning och förfarande för synkronisering m.h.a. referenssignal
US5642069A (en) * 1994-04-26 1997-06-24 Unisys Corporation Clock signal loss detection and recovery apparatus in multiple clock signal system
US5515403A (en) * 1994-06-21 1996-05-07 Dsc Communications Corporation Apparatus and method for clock alignment and switching
US5748569A (en) * 1996-12-19 1998-05-05 Dsc Telecom L.P. Apparatus and method for clock alignment and switching

Also Published As

Publication number Publication date
CN1143477C (zh) 2004-03-24
KR19990063893A (ko) 1999-07-26
NO981244D0 (no) 1998-03-19
AU711166B2 (en) 1999-10-07
WO1997012458A1 (en) 1997-04-03
SE9503370L (sv) 1997-03-30
EP0852861A1 (en) 1998-07-15
CN1202996A (zh) 1998-12-23
TW315577B (sv) 1997-09-11
NO981244L (no) 1998-05-26
AU7151696A (en) 1997-04-17
KR100370731B1 (ko) 2003-04-11
BR9610690A (pt) 1999-07-06
SE504920C2 (sv) 1997-05-26
MX9802331A (es) 1998-08-30
CA2232472A1 (en) 1997-04-03
JPH11512898A (ja) 1999-11-02
US6310895B1 (en) 2001-10-30

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Legal Events

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