DE3751571D1 - Verfahren zur Synchronisation der Echtzeituhren in einem Datenübertragungssystem. - Google Patents

Verfahren zur Synchronisation der Echtzeituhren in einem Datenübertragungssystem.

Info

Publication number
DE3751571D1
DE3751571D1 DE3751571T DE3751571T DE3751571D1 DE 3751571 D1 DE3751571 D1 DE 3751571D1 DE 3751571 T DE3751571 T DE 3751571T DE 3751571 T DE3751571 T DE 3751571T DE 3751571 D1 DE3751571 D1 DE 3751571D1
Authority
DE
Germany
Prior art keywords
data transmission
transmission system
time clocks
synchronizing real
synchronizing
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
DE3751571T
Other languages
English (en)
Other versions
DE3751571T2 (de
Inventor
Torao Mitsubishi Denk Yamanaka
Teruhisa Mitsubishi De Shoyama
Nobuo Mitsubishi Denki Teraji
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
Priority claimed from JP11566286A external-priority patent/JPH065309B2/ja
Priority claimed from JP61142780A external-priority patent/JPH0618364B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3751571D1 publication Critical patent/DE3751571D1/de
Application granted granted Critical
Publication of DE3751571T2 publication Critical patent/DE3751571T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/546—Combination of signalling, telemetering, protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5408—Methods of transmitting or receiving signals via power distribution lines using protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5433—Remote metering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5495—Systems for power line communications having measurements and testing channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Selective Calling Equipment (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE3751571T 1986-05-20 1987-05-16 Verfahren zur Synchronisation der Echtzeituhren in einem Datenübertragungssystem. Expired - Fee Related DE3751571T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11566286A JPH065309B2 (ja) 1986-05-20 1986-05-20 時刻同期方法
JP61142780A JPH0618364B2 (ja) 1986-06-20 1986-06-20 デ−タ伝送システムの時刻同期方法

Publications (2)

Publication Number Publication Date
DE3751571D1 true DE3751571D1 (de) 1995-11-30
DE3751571T2 DE3751571T2 (de) 1996-04-11

Family

ID=26454139

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751571T Expired - Fee Related DE3751571T2 (de) 1986-05-20 1987-05-16 Verfahren zur Synchronisation der Echtzeituhren in einem Datenübertragungssystem.

Country Status (3)

Country Link
US (1) US4807259A (de)
EP (1) EP0253096B1 (de)
DE (1) DE3751571T2 (de)

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US5042053A (en) * 1990-08-16 1991-08-20 Honeywell Inc. Zero-sync-time apparatus for encoding and decoding
US5206857A (en) * 1991-04-29 1993-04-27 At&T Bell Laboratories Apparatus and method for timing distribution over an asynchronous ring
US5455935A (en) * 1991-05-31 1995-10-03 Tandem Computers Incorporated Clock synchronization system
US5327468A (en) * 1992-06-19 1994-07-05 Westinghouse Electric Corp. Synchronization of time-of-day clocks in a distributed processing network system
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GB2271251B (en) * 1992-10-01 1996-08-14 Digital Equipment Int Timer synchronisation system
JP3057934B2 (ja) * 1992-10-30 2000-07-04 日本電気株式会社 共有バス調停機構
US5870427A (en) * 1993-04-14 1999-02-09 Qualcomm Incorporated Method for multi-mode handoff using preliminary time alignment of a mobile station operating in analog mode
US5509035A (en) * 1993-04-14 1996-04-16 Qualcomm Incorporated Mobile station operating in an analog mode and for subsequent handoff to another system
KR960009539B1 (en) * 1993-12-27 1996-07-20 Hyundai Electronics Ind Apparatus for synchronizing time using satellite
US6334219B1 (en) * 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
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US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
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JPH0964874A (ja) * 1995-08-28 1997-03-07 Sony Corp データ伝送方法およびデータ伝送システム
US6027195A (en) * 1996-11-12 2000-02-22 Varis Corporation System and method for synchronizing the piezoelectric clock sources of a plurality of ink jet printheads
US6421326B1 (en) * 1997-07-24 2002-07-16 Innomedia Pte Ltd Wireless communications system and method
JP3424901B2 (ja) 1997-12-05 2003-07-07 株式会社日立製作所 多重系制御装置の同期方式および同期方法
US6373834B1 (en) 1997-12-19 2002-04-16 Telefonaktiebolaget Lm Ericsson Synchronization for cellular telecommunications network
US6128318A (en) * 1998-01-23 2000-10-03 Philips Electronics North America Corporation Method for synchronizing a cycle master node to a cycle slave node using synchronization information from an external network or sub-network which is supplied to the cycle slave node
SG81231A1 (en) * 1998-05-25 2001-06-19 Nanyang Polytechnic Wireless synchronous clock system
US6279058B1 (en) * 1998-07-02 2001-08-21 Advanced Micro Devices, Inc. Master isochronous clock structure having a clock controller coupling to a CPU and two data buses
US6236623B1 (en) * 1998-10-16 2001-05-22 Moore Industries System and method for synchronizing clocks in a plurality of devices across a communication channel
AU758059B2 (en) * 1999-05-04 2003-03-13 Two Way Media Limited Interactive applications
US6611538B1 (en) 1999-05-27 2003-08-26 3Com Corporation Data transmission synchronization system
US6646953B1 (en) 2000-07-06 2003-11-11 Rambus Inc. Single-clock, strobeless signaling system
US6643787B1 (en) 1999-10-19 2003-11-04 Rambus Inc. Bus system optimization
US6502141B1 (en) * 1999-12-14 2002-12-31 International Business Machines Corporation Method and system for approximate, monotonic time synchronization for a multiple node NUMA system
US6614862B1 (en) * 1999-12-30 2003-09-02 Sun Microsystems, Inc. Encoded clocks to distribute multiple clock signals to multiple devices in a computer system
US7068746B1 (en) * 2000-03-01 2006-06-27 Lucent Technologies Inc. Base station transceiver to radio network controller synchronization filtering function
GB2359960B (en) * 2000-03-03 2004-06-16 Mitel Corp Embedded loop delay compensation circuit for multi-channel transceiver
JP2002049605A (ja) * 2000-08-02 2002-02-15 Fujitsu Ltd タイマ調整システム
US6577872B1 (en) 2000-08-08 2003-06-10 Telefonaktiebolaget Lm Ericsson (Publ) Base station oscillator regulation independent of transport network clocks in cellular telecommunications network
JP3674533B2 (ja) * 2001-04-24 2005-07-20 日本電気株式会社 波長多重システムにおけるｏｓｃ信号のクロック同期監視方法
US7007106B1 (en) * 2001-05-22 2006-02-28 Rockwell Automation Technologies, Inc. Protocol and method for multi-chassis configurable time synchronization
US7818457B1 (en) * 2001-05-22 2010-10-19 Rockwell Automation Technologies, Inc. Apparatus for multi-chassis configurable time synchronization
US7080274B2 (en) * 2001-08-23 2006-07-18 Xerox Corporation System architecture and method for synchronization of real-time clocks in a document processing system
US7337344B2 (en) * 2003-01-31 2008-02-26 Point Grey Research Inc. Methods and apparatus for synchronizing devices on different serial data buses
JP2004266477A (ja) * 2003-02-28 2004-09-24 Orion Denki Kk 映像受信装置
WO2007032756A1 (en) * 2005-09-09 2007-03-22 Sensormatic Electronics Corporation Eas system providing synchronized transmission
US7787580B2 (en) * 2005-10-06 2010-08-31 Aviom, Inc. Methods and systems for jitter management and latency compensation in a packet-based system
JP4726956B2 (ja) * 2006-06-22 2011-07-20 サンリツオートメイション株式会社 Ｉ／ｏ装置によるネットワークシステムの通信方法
US7680154B2 (en) * 2007-12-31 2010-03-16 Intel Corporation Methods and apparatus for synchronizing networked audio devices
US20120027146A1 (en) * 2009-02-24 2012-02-02 Telefonaktiebolaget Lm Ericsson (Publ) Clock recovery in a communications network
CN102035639B (zh) 2009-09-30 2014-09-17 华为技术有限公司 时间同步方法、装置和系统
JP2012186746A (ja) * 2011-03-08 2012-09-27 Sony Corp 映像送信装置、映像送信装置の制御方法、映像受信装置および映像受信装置の制御方法
FR2979506B1 (fr) * 2011-08-30 2013-08-30 Bull Sas Procede de synchronisation d'une grappe de serveurs et grappe de serveurs mettant en oeuvre ce procede
US9778679B2 (en) * 2013-07-10 2017-10-03 Tlv Co., Ltd. Time synchronization system
CN104202137A (zh) * 2014-07-09 2014-12-10 北京东土科技股份有限公司 一种基于e1链路的ieee1588时钟同步方法、系统及装置
WO2018068180A1 (zh) * 2016-10-10 2018-04-19 海能达通信股份有限公司 主节点、从节点以及同步信息自校正方法
CN109981418B (zh) * 2019-04-11 2020-08-04 广东电网有限责任公司 一种通信质量感知系统
CN110572234A (zh) * 2019-10-22 2019-12-13 深圳震有科技股份有限公司 一种基于串口实现时钟同步的方法、智能终端及存储介质

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US4142069A (en) * 1977-06-20 1979-02-27 The United States Of America As Represented By The Secretary Of The Army Time reference distribution technique
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US4357701A (en) * 1980-09-12 1982-11-02 Bell Telephone Laboratories, Incorporated Digital concentrator terminal synchronization
JPS5769496A (en) * 1980-10-16 1982-04-28 Mitsubishi Electric Corp Remote controller
US4473889A (en) * 1981-09-11 1984-09-25 Leeds & Northrup Company Remote correlation of sequence of events
JPH0668799B2 (ja) * 1987-03-02 1994-08-31 三菱電機株式会社 遠方監視制御方式

Also Published As

Publication number Publication date
EP0253096B1 (de) 1995-10-25
EP0253096A2 (de) 1988-01-20
DE3751571T2 (de) 1996-04-11
EP0253096A3 (en) 1990-05-02
US4807259A (en) 1989-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee