CA2569018C - System and method for routing asynchronous signals - Google Patents

System and method for routing asynchronous signals Download PDF

Info

Publication number
CA2569018C
CA2569018C CA2569018A CA2569018A CA2569018C CA 2569018 C CA2569018 C CA 2569018C CA 2569018 A CA2569018 A CA 2569018A CA 2569018 A CA2569018 A CA 2569018A CA 2569018 C CA2569018 C CA 2569018C
Authority
CA
Canada
Prior art keywords
clock
signal
router
output
signals
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA2569018A
Other languages
English (en)
French (fr)
Other versions
CA2569018A1 (en
Inventor
Carl Christensen
David Lynn Bytheway
Lynn Howard Arbuckle
Randall Geovanny Redondo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CA2569018A1 publication Critical patent/CA2569018A1/en
Application granted granted Critical
Publication of CA2569018C publication Critical patent/CA2569018C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • 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)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Electronic Switches (AREA)
CA2569018A 2004-06-16 2005-06-01 System and method for routing asynchronous signals Expired - Fee Related CA2569018C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US58018804P 2004-06-16 2004-06-16
US58018904P 2004-06-16 2004-06-16
US60/580,188 2004-06-16
US60/580,189 2004-06-16
PCT/US2005/019115 WO2006009605A1 (en) 2004-06-16 2005-06-01 System and method for routing asynchronous signals

Publications (2)

Publication Number Publication Date
CA2569018A1 CA2569018A1 (en) 2006-01-26
CA2569018C true CA2569018C (en) 2013-12-10

Family

ID=34972785

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2569018A Expired - Fee Related CA2569018C (en) 2004-06-16 2005-06-01 System and method for routing asynchronous signals

Country Status (7)

Country Link
EP (1) EP1756988B1 (enExample)
JP (1) JP4650956B2 (enExample)
KR (1) KR101095832B1 (enExample)
CN (1) CN101095300B (enExample)
CA (1) CA2569018C (enExample)
DE (1) DE602005025761D1 (enExample)
WO (1) WO2006009605A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105376042B (zh) * 2015-10-27 2019-04-02 国家电网公司 一种zh-550时间同步系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322580A (en) * 1980-09-02 1982-03-30 Gte Automatic Electric Labs Inc. Clock selection circuit
GB8516609D0 (en) * 1985-07-01 1985-08-07 Bicc Plc Data network synchronisation
EP0530393B1 (de) * 1991-09-02 1994-12-07 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Synchronisation einer Takteinrichtung eines Fernmeldevermittlungssystems
US5479648A (en) * 1994-08-30 1995-12-26 Stratus Computer, Inc. Method and apparatus for switching clock signals in a fault-tolerant computer system
US6121816A (en) * 1999-04-23 2000-09-19 Semtech Corporation Slave clock generation system and method for synchronous telecommunications networks
US6658580B1 (en) * 2000-05-20 2003-12-02 Equipe Communications Corporation Redundant, synchronous central timing systems with constant master voltage controls and variable slave voltage controls
US7023442B2 (en) * 2000-06-28 2006-04-04 Sun Microsystems, Inc. Transferring a digital video stream through a series of hardware modules
US6999546B2 (en) * 2000-12-29 2006-02-14 Nokia, Inc. System and method for timing references for line interfaces
CN100583807C (zh) * 2002-06-21 2010-01-20 汤姆森特许公司 具有公共时钟的多机架广播路由器

Also Published As

Publication number Publication date
CA2569018A1 (en) 2006-01-26
JP4650956B2 (ja) 2011-03-16
DE602005025761D1 (de) 2011-02-17
JP2008503917A (ja) 2008-02-07
WO2006009605A1 (en) 2006-01-26
CN101095300B (zh) 2012-05-16
EP1756988B1 (en) 2011-01-05
CN101095300A (zh) 2007-12-26
EP1756988A1 (en) 2007-02-28
KR101095832B1 (ko) 2011-12-16
KR20070022756A (ko) 2007-02-27

Similar Documents

Publication Publication Date Title
JP3989932B2 (ja) マスタ−スレーブ分散通信システムにおけるローカル同期の方法および機構
US6636932B1 (en) Crossbar switch and control for data networks switching
EP1097511B1 (en) Slave clock generation system and method for synchronous telecommunications networks
EP2871550B1 (en) Clocking for pipelined routing
US6549046B1 (en) Method and apparatus for phase aligning two clock signals utilizing a programmable phase adjustment circuit
EP0841834B1 (en) Method and apparatus for a hitless switch-over between redundant signals
US20080244300A1 (en) Fault Tolerant Time Synchronization Mechanism in a Scaleable Multi-Processor Computer
JPH0697788A (ja) 可変遅延回路及び可変遅延回路を用いたクロック信号供給装置
CN101359302A (zh) 冗余时钟开关电路
KR100871205B1 (ko) 다중 클럭 위상 결정 시스템
US6856171B1 (en) Synchronization of programmable multiplexers and demultiplexers
US7308592B2 (en) Redundant oscillator distribution in a multi-processor server system
US7656215B2 (en) Clock generator circuit, clock selector circuit, and semiconductor integrated circuit
CA2569018C (en) System and method for routing asynchronous signals
US8116321B2 (en) System and method for routing asynchronous signals
US6518811B1 (en) Software programmable delay circuit
US20020080825A1 (en) Method and compensation module for the phase compensation of clock signals
US20050149775A1 (en) Redundant synchronous clock distribution method, a related clock module and a related clock slave device
US7221687B2 (en) Reference timing architecture
US20020196062A1 (en) Delay adjustment circuit for delay locked loop
KR0152226B1 (ko) 시스템 클럭 발생기
JP2901657B2 (ja) クロック信号供給装置
US7721133B2 (en) Systems and methods of synchronizing reference frequencies
JPH0897750A (ja) クロック受信分配システム
US7468991B2 (en) Methods and devices for synchronizing the timing of logic cards in a packet switching system without data loss

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180601