BE866168A - Base de temps - Google Patents

Base de temps

Info

Publication number
BE866168A
BE866168A BE1008851A BE1008851A BE866168A BE 866168 A BE866168 A BE 866168A BE 1008851 A BE1008851 A BE 1008851A BE 1008851 A BE1008851 A BE 1008851A BE 866168 A BE866168 A BE 866168A
Authority
BE
Belgium
Prior art keywords
time base
base
time
Prior art date
Application number
BE1008851A
Other languages
English (en)
French (fr)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BE866168A publication Critical patent/BE866168A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1604—Error detection or correction of the data by redundancy in hardware where the fault affects the clock signals of a processing unit and the redundancy is at or within the level of clock signal generation hardware
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/18—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
    • G06F11/187—Voting techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H03K5/15013—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L2007/047—Speed or phase control by synchronisation signals using special codes as synchronising signal using a sine signal or unmodulated carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Electric Clocks (AREA)
  • Inverter Devices (AREA)
BE1008851A 1977-05-10 1978-04-20 Base de temps BE866168A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7714184A FR2390856A1 (fr) 1977-05-10 1977-05-10 Base de temps

Publications (1)

Publication Number Publication Date
BE866168A true BE866168A (fr) 1978-10-20

Family

ID=9190587

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1008851A BE866168A (fr) 1977-05-10 1978-04-20 Base de temps

Country Status (17)

Country Link
US (1) US4164629A (it)
JP (1) JPS53139446A (it)
AU (1) AU518460B2 (it)
BE (1) BE866168A (it)
CA (1) CA1098324A (it)
CH (1) CH627595A5 (it)
DE (1) DE2819519C2 (it)
ES (1) ES469660A1 (it)
FI (1) FI67631C (it)
FR (1) FR2390856A1 (it)
GB (1) GB1593810A (it)
GR (1) GR64297B (it)
IE (1) IE46779B1 (it)
IT (1) IT1094446B (it)
NL (1) NL7804918A (it)
SE (1) SE431265B (it)
ZA (1) ZA782638B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519090A (en) * 1982-07-27 1985-05-21 General Electric Company Testable time delay
NL8203921A (nl) * 1982-10-11 1984-05-01 Philips Nv Multipel redundant kloksysteem, bevattende een aantal onderling synchroniserende klokken, en klokschakeling voor gebruik in zo een kloksysteem.
US4644498A (en) * 1983-04-04 1987-02-17 General Electric Company Fault-tolerant real time clock
FR2546691B1 (fr) * 1983-05-27 1985-07-05 Cit Alcatel Base de temps asservie
US4598257A (en) * 1983-05-31 1986-07-01 Siemens Corporate Research & Support, Inc. Clock pulse signal generator system
US4531210A (en) * 1983-06-22 1985-07-23 Gte Automatic Electric Incorporated Digital span reframing circuit
JPS60110002A (ja) * 1983-11-21 1985-06-15 Nippon Signal Co Ltd:The ３重系におけるクロツクパルス同期装置
FR2577089B1 (fr) * 1985-02-07 1987-03-06 Thomson Csf Mat Tel Dispositif de transmission d'un signal d'horloge accompagne d'un signal de synchronisation
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
US4712211A (en) * 1985-03-25 1987-12-08 Nissan Motor Company, Limited Network system utilizing an intermediate synchronizations signal and predetermined code string patterns
US4984241A (en) * 1989-01-23 1991-01-08 The Boeing Company Tightly synchronized fault tolerant clock
US4998075A (en) * 1989-10-26 1991-03-05 Western Digital Corporation Programmable multiple oscillator circuit
US5305451A (en) * 1990-09-05 1994-04-19 International Business Machines Corporation Single phase clock distribution circuit for providing clock signals to multiple chip integrated circuit systems
US6188286B1 (en) * 1999-03-30 2001-02-13 Infineon Technologies North America Corp. Method and system for synchronizing multiple subsystems using one voltage-controlled oscillator
DE10036827A1 (de) * 2000-07-28 2002-02-14 Alcatel Sa Taktversorgungseinheit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522455A (en) * 1967-07-27 1970-08-04 Bendix Corp Method and means of synchronizing timing pulses of a three channel triplicated system
FR2080251A5 (it) * 1970-02-27 1971-11-12 Lannionnais Electronique
IT1051350B (it) * 1975-12-09 1981-04-21 Cselt Centro Studi Lab Telecom Sistema di temporizzazione tripli to per impianti duplicati conte nenti circuiti logici

Also Published As

Publication number Publication date
FI67631C (fi) 1985-04-10
DE2819519C2 (de) 1986-09-18
IT1094446B (it) 1985-08-02
GB1593810A (en) 1981-07-22
SE7805261L (sv) 1978-11-11
CH627595A5 (it) 1982-01-15
ZA782638B (en) 1979-04-25
JPS53139446A (en) 1978-12-05
IT7822458A0 (it) 1978-04-19
AU3583278A (en) 1979-11-08
FR2390856B1 (it) 1982-08-27
IE46779B1 (en) 1983-09-21
SE431265B (sv) 1984-01-23
CA1098324A (fr) 1981-03-31
AU518460B2 (en) 1981-10-01
JPS6244447B2 (it) 1987-09-21
FI67631B (fi) 1984-12-31
FI781433A (fi) 1978-11-11
ES469660A1 (es) 1979-09-16
NL7804918A (nl) 1978-11-14
US4164629A (en) 1979-08-14
DE2819519A1 (de) 1978-11-16
FR2390856A1 (fr) 1978-12-08
GR64297B (en) 1980-03-03
IE780943L (en) 1978-11-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT

Effective date: 19910430