ATE10320T1 - Digitale uebertragungssysteme. - Google Patents

Digitale uebertragungssysteme.

Info

Publication number
ATE10320T1
ATE10320T1 AT81302381T AT81302381T ATE10320T1 AT E10320 T1 ATE10320 T1 AT E10320T1 AT 81302381 T AT81302381 T AT 81302381T AT 81302381 T AT81302381 T AT 81302381T AT E10320 T1 ATE10320 T1 AT E10320T1
Authority
AT
Austria
Prior art keywords
repeater
frequency modulation
digital transmission
interrogated
transmission systems
Prior art date
Application number
AT81302381T
Other languages
English (en)
Inventor
Peter Cochrane
James Alan Kitchen
Original Assignee
The Post Office
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 The Post Office filed Critical The Post Office
Application granted granted Critical
Publication of ATE10320T1 publication Critical patent/ATE10320T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • 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
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
AT81302381T 1980-06-16 1981-05-29 Digitale uebertragungssysteme. ATE10320T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8019610 1980-06-16
EP81302381A EP0042229B1 (de) 1980-06-16 1981-05-29 Digitale Übertragungssysteme

Publications (1)

Publication Number Publication Date
ATE10320T1 true ATE10320T1 (de) 1984-11-15

Family

ID=10514065

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81302381T ATE10320T1 (de) 1980-06-16 1981-05-29 Digitale uebertragungssysteme.

Country Status (6)

Country Link
US (1) US4393279A (de)
EP (1) EP0042229B1 (de)
JP (1) JPS5744358A (de)
AT (1) ATE10320T1 (de)
CA (1) CA1168311A (de)
DE (1) DE3167165D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2534428A1 (fr) * 1982-10-12 1984-04-13 Cit Alcatel Systeme d'exploitation et de maintenance d'equipements repartis le long d'une liaison de transmission numerique
JPS6033764A (ja) * 1983-08-04 1985-02-21 Kokusai Denshin Denwa Co Ltd <Kdd> 中継器監視方式
DE3330683A1 (de) * 1983-08-25 1985-03-14 Siemens AG, 1000 Berlin und 8000 München Uebertragungssystem fuer digitale signale hoher schrittgeschwindigkeit mit zusatzsignaluebertragung
GB8414517D0 (en) * 1984-06-07 1984-07-11 British Telecomm Signal timing circuits
JPH0211003Y2 (de) * 1986-10-31 1990-03-19
GB2212680B (en) * 1987-11-18 1992-05-20 Stc Plc Telecommunications repeater incorporating a phase modulator circuit
US5212713A (en) * 1989-08-09 1993-05-18 Tasman Cable Company Fault location arrangement for digital transmission systems
AU650584B2 (en) * 1989-08-09 1994-06-23 Tasman Cable Company Pty. Ltd. Fault location arrangement for digital transmission system
AU634261B2 (en) * 1989-08-09 1993-02-18 Tasman Cable Company Pty. Limited (Tcc) Fault location arrangement for digital transmission system
SE466474B (sv) * 1990-07-10 1992-02-17 Ericsson Telefon Ab L M Faslaasningskrets foer jitterreducering i digitalt multiplexsystem
EP0652613B1 (de) * 1991-11-08 1999-02-03 Mitsubishi Denki Kabushiki Kaisha Faseroptischer Verstärker
US5757872A (en) * 1994-11-30 1998-05-26 Lucent Technologies Inc. Clock recovery circuit
GB2302484B (en) * 1995-06-17 1999-08-04 Northern Telecom Ltd Optical tdm transmission system
US6101011A (en) 1997-05-29 2000-08-08 Ciena Corporation Modulation format adjusting optical transponders
US7123675B2 (en) * 2002-09-25 2006-10-17 Lucent Technologies Inc. Clock, data and time recovery using bit-resolved timing registers
JP3929458B2 (ja) 2004-01-26 2007-06-13 株式会社鈴木製作所 ミシンのパッカリング防止釜装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1090374A (en) * 1964-07-01 1967-11-08 Gen Electric Co Ltd Improvements in or relating to electric signal repeater circuits
JPS5122518B2 (de) * 1972-04-28 1976-07-10
GB1426831A (en) * 1973-06-14 1976-03-03 Standard Telephones Cables Ltd Testing repeaters
GB1571495A (en) * 1976-04-29 1980-07-16 Plessey Co Ltd Supervisory system for a data transmission system
US4079203A (en) * 1977-03-30 1978-03-14 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for transmitting auxiliary channel over digital communications system
JPS53144204A (en) * 1977-05-21 1978-12-15 Mitsubishi Electric Corp Transmitting system for optical communication circuit monitor/order signal
DE2902020C3 (de) * 1979-01-19 1982-08-26 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren und Schaltungsanordnung zur Übertragung von Fehlerortungsbefehlen in digitalen Übertragungssystemen
FR2454728A1 (fr) * 1979-04-19 1980-11-14 Telecommunications Sa Procede et dispositif de telesurveillance de liaisons numeriques ou analogique de telecommunications

Also Published As

Publication number Publication date
EP0042229A1 (de) 1981-12-23
CA1168311A (en) 1984-05-29
DE3167165D1 (en) 1984-12-20
JPS5744358A (en) 1982-03-12
EP0042229B1 (de) 1984-11-14
US4393279A (en) 1983-07-12
JPH0459816B2 (de) 1992-09-24

Similar Documents

Publication Publication Date Title
ATE10320T1 (de) Digitale uebertragungssysteme.
DE2964964D1 (en) System for transmitting signals over an optical link
FR2402975B1 (fr) Systeme de transmission de signaux de donnee a l&#39;aide d&#39;une onde porteuse a modulation angulaire et amplitude constante
SE7904293L (sv) Forfarande for utforande av signalaterforingstest
ATE83594T1 (de) Digitales nachrichtenuebertragungssystem und verfahren.
SE8301977L (sv) Sendare anordnad att utsenda frekvensmodulerade signaler
EP0105513A3 (en) Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
AU532276B2 (en) 2-wire data transmission
GB2036512B (en) Receivers for single side-band reduced carrier amplitude-modulation data transmission systems
ZA813229B (en) Frequency division communication system wherein conventional transmitter-transceiver can be used as or repeater or local base station
EP0115768A3 (de) Optisches Übertragungssystem
ATE19719T1 (de) Traegerfrequenzsystem fuer vierdrahtbetrieb.
DK110019C (da) Kommunikationsanlæg til overføring af informationssignaler og et pilotsignal over et overføringskabel.
DK399388A (da) Bitsynkronisering til optiske nedvaerk
DK10879A (da) Modtagersystem til transmission af information fra en mobil sender til en central station
ES442479A1 (es) Un aparato de comunicaciones sincrono mediante lineas de distribucion de corriente.
GB953727A (en) Apparatus for intensifying light
ES395123A1 (es) Una disposicion de supervision para sistema de repeticion de portadas.
DE3061939D1 (en) Method for locating troubles on a communication line without using addresses
GB1333951A (en) Electrical supervisory system
JPS57152737A (en) System for satellite data transmission
ATE70678T1 (de) Verbesserungen an uebertragungssystemen.
GB1064592A (en) Method to localise faults in carrier frequency systems
ES8308456A1 (es) Perfeccionamientos en los sistemas circuitales para la modu-lacion de la senal transmitida desde estaciones fijas.
JPS5437621A (en) Fault repeater locating system

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties