WO2005079402A3 - System and method for maintaining a common sense of time on a network segment - Google Patents
System and method for maintaining a common sense of time on a network segment Download PDFInfo
- Publication number
- WO2005079402A3 WO2005079402A3 PCT/US2005/004763 US2005004763W WO2005079402A3 WO 2005079402 A3 WO2005079402 A3 WO 2005079402A3 US 2005004763 W US2005004763 W US 2005004763W WO 2005079402 A3 WO2005079402 A3 WO 2005079402A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- time
- clock
- master
- maintaining
- network segment
- Prior art date
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
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0697—Synchronisation in a packet node
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C13/00—Driving mechanisms for clocks by master-clocks
- G04C13/08—Slave-clocks actuated intermittently
-
- 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
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
-
- 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
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
-
- 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
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0652—Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP]
- H04J3/0655—Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP] using timestamps
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800043294A CN1918940B (en) | 2004-02-18 | 2005-02-15 | System and method for maintaining a common sense of time on a network segment |
JP2006554164A JP4767178B2 (en) | 2004-02-18 | 2005-02-15 | System and method for maintaining a common sense of time on a network segment |
DE112005000406T DE112005000406T5 (en) | 2004-02-18 | 2005-02-15 | A system and method for maintaining a common clock and a network segment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/781,374 US7058089B2 (en) | 2004-02-18 | 2004-02-18 | System and method for maintaining a common sense of time on a network segment |
US10/781,374 | 2004-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005079402A2 WO2005079402A2 (en) | 2005-09-01 |
WO2005079402A3 true WO2005079402A3 (en) | 2005-11-03 |
Family
ID=34838724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/004763 WO2005079402A2 (en) | 2004-02-18 | 2005-02-15 | System and method for maintaining a common sense of time on a network segment |
Country Status (5)
Country | Link |
---|---|
US (1) | US7058089B2 (en) |
JP (1) | JP4767178B2 (en) |
CN (1) | CN1918940B (en) |
DE (1) | DE112005000406T5 (en) |
WO (1) | WO2005079402A2 (en) |
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US7809131B1 (en) * | 2004-12-23 | 2010-10-05 | Arcsight, Inc. | Adjusting sensor time in a network security system |
FI119164B (en) * | 2005-04-08 | 2008-08-15 | Tellabs Oy | Method and apparatus for regenerating a timing signal in digital communication |
US7539889B2 (en) * | 2005-12-30 | 2009-05-26 | Avega Systems Pty Ltd | Media data synchronization in a wireless network |
KR100735230B1 (en) * | 2006-05-02 | 2007-07-03 | 삼성전자주식회사 | Time synchronization in distributed system |
EP2132613A4 (en) * | 2007-03-01 | 2016-05-04 | Qulsar Sweden Ab | Electronic timer system, time control and generation of timing signals |
WO2008135975A2 (en) | 2007-05-02 | 2008-11-13 | Visonic Ltd. | Wireless communication system |
US8306174B2 (en) * | 2008-07-30 | 2012-11-06 | Texas Instruments Incorporated | Fractional interpolative timing advance and retard control in a transceiver |
JP4888741B2 (en) * | 2009-02-05 | 2012-02-29 | 横河電機株式会社 | Distributed control system |
US8560875B2 (en) * | 2009-09-17 | 2013-10-15 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Apparatus for clock calibrating a less precise second clock signal with a more precise first clock signal wherein the first clock signal is inactive during a sniff mode and the second clock signal is active during a sniff mode |
CN102035639B (en) | 2009-09-30 | 2014-09-17 | 华为技术有限公司 | Time synchronization method, device and system |
US20120096180A1 (en) * | 2010-10-14 | 2012-04-19 | Invensys Systems Inc. | Achieving Lossless Data Streaming in a Scan Based Industrial Process Control System |
CN101982959B (en) * | 2010-11-24 | 2013-02-13 | 电子科技大学 | Network demand time synchronization method |
CN102411344B (en) * | 2011-06-27 | 2013-08-21 | 北京日立控制系统有限公司 | Clock synchronization method for distributed control system |
EP2544388B1 (en) | 2011-07-08 | 2017-09-27 | Siemens Aktiengesellschaft | Method for cycle and time unit synchronisation in an automation network |
US8812466B2 (en) * | 2012-02-10 | 2014-08-19 | International Business Machines Corporation | Detecting and combating attack in protection system of an industrial control system |
CN104641589B (en) | 2012-09-11 | 2018-10-16 | 三菱电机株式会社 | Correction parameter computing device and time synchronization system and correction parameter computational methods |
EP2991364B1 (en) * | 2013-04-22 | 2018-12-26 | TLV Co., Ltd. | Terminal control system |
DE102013105517A1 (en) * | 2013-05-29 | 2014-12-18 | Weidmüller Interface GmbH & Co. KG | Method for detecting a transmitter local time in a receiver |
DE102014105211A1 (en) * | 2014-04-11 | 2015-10-15 | Beckhoff Automation Gmbh | Method for operating a subscriber of a communication network |
GB2525929B (en) * | 2014-05-09 | 2016-08-10 | Imagination Tech Ltd | Time stamp replication within a wireless network |
GB2560086B (en) * | 2015-09-09 | 2020-02-05 | Imagination Tech Ltd | Synchronising devices |
DE102015120242B3 (en) * | 2015-11-23 | 2017-02-09 | Beckhoff Automation Gmbh | Method for operating a communication network, communication network, control device and data processing device |
JP6846111B2 (en) * | 2016-02-26 | 2021-03-24 | オムロン株式会社 | Master device, slave device, information processing device, event log collection system, master device control method, slave device control method, and control program |
US10353424B2 (en) | 2016-07-01 | 2019-07-16 | Imagination Technologies Limited | Clock synchronisation |
US11018790B2 (en) * | 2017-11-06 | 2021-05-25 | Arris Enterprises Llc | Timing adjustment for distributed network architecture |
DE102017127766B3 (en) * | 2017-11-24 | 2018-10-18 | Beckhoff Automation Gmbh | BUS TERMINAL FOR AN AUTOMATION SYSTEM AND METHOD FOR MONITORING A SUPPLY POWER SUPPLY |
DE102017011458A1 (en) * | 2017-12-12 | 2019-06-13 | WAGO Verwaltungsgesellschaft mit beschränkter Haftung | Subscriber of a bus system, method of operation and a bus system |
EP3561621B1 (en) * | 2018-04-26 | 2023-01-04 | Siemens Aktiengesellschaft | Determination of an adapted leading value |
CN110768776A (en) * | 2018-07-25 | 2020-02-07 | 杭州万高科技股份有限公司 | Smart power grid timing synchronization method, system, equipment and computer medium |
DE102019200437A1 (en) * | 2019-01-16 | 2020-07-16 | Robert Bosch Gmbh | Synchronization of components by a control unit |
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US6535926B1 (en) * | 1999-09-30 | 2003-03-18 | Rockwell Automation Technologies, Inc. | Time synchronization system for industrial control network using global reference pulses |
US6539489B1 (en) * | 2000-03-31 | 2003-03-25 | Siemens Aktiengesellshaft | Apparatus, method and system for synchronizing slave system operations to master system clocking signals in a master-slave asynchronous communication system |
US6885717B2 (en) * | 2000-11-17 | 2005-04-26 | Siemens Aktiengesellschaft | Device and method for digitally generating equidistant synchronous frequency-multiplied clock pulses |
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-
2004
- 2004-02-18 US US10/781,374 patent/US7058089B2/en not_active Expired - Lifetime
-
2005
- 2005-02-15 CN CN2005800043294A patent/CN1918940B/en active Active
- 2005-02-15 WO PCT/US2005/004763 patent/WO2005079402A2/en active Application Filing
- 2005-02-15 DE DE112005000406T patent/DE112005000406T5/en active Pending
- 2005-02-15 JP JP2006554164A patent/JP4767178B2/en active Active
Patent Citations (3)
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US6535926B1 (en) * | 1999-09-30 | 2003-03-18 | Rockwell Automation Technologies, Inc. | Time synchronization system for industrial control network using global reference pulses |
US6539489B1 (en) * | 2000-03-31 | 2003-03-25 | Siemens Aktiengesellshaft | Apparatus, method and system for synchronizing slave system operations to master system clocking signals in a master-slave asynchronous communication system |
US6885717B2 (en) * | 2000-11-17 | 2005-04-26 | Siemens Aktiengesellschaft | Device and method for digitally generating equidistant synchronous frequency-multiplied clock pulses |
Also Published As
Publication number | Publication date |
---|---|
US20050180466A1 (en) | 2005-08-18 |
CN1918940B (en) | 2012-05-09 |
JP2007527667A (en) | 2007-09-27 |
WO2005079402A2 (en) | 2005-09-01 |
DE112005000406T5 (en) | 2007-02-22 |
JP4767178B2 (en) | 2011-09-07 |
CN1918940A (en) | 2007-02-21 |
US7058089B2 (en) | 2006-06-06 |
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