BE829996A - - Google Patents

Info

Publication number
BE829996A
BE829996A BE1006722A BE1006722A BE829996A BE 829996 A BE829996 A BE 829996A BE 1006722 A BE1006722 A BE 1006722A BE 1006722 A BE1006722 A BE 1006722A BE 829996 A BE829996 A BE 829996A
Authority
BE
Belgium
Application number
BE1006722A
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 filed Critical
Publication of BE829996A publication Critical patent/BE829996A/xx

Links

Classifications

    • 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
    • H04L1/24—Testing correct operation
    • H04L1/245—Testing correct operation by using the properties of transmission codes
    • H04L1/247—Testing correct operation by using the properties of transmission codes three-level transmission codes, e.g. ternary
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
BE1006722A 1974-06-28 1975-06-09 BE829996A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7422737A FR2276744A1 (fr) 1974-06-28 1974-06-28 Procede et dispositif de telesurveillance et telelocalisation de repeteurs-regenerateurs d'impulsions

Publications (1)

Publication Number Publication Date
BE829996A true BE829996A (ja) 1975-12-09

Family

ID=9140703

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1006722A BE829996A (ja) 1974-06-28 1975-06-09

Country Status (15)

Country Link
US (1) US3987395A (ja)
JP (1) JPS5821866B2 (ja)
BE (1) BE829996A (ja)
BR (1) BR7504068A (ja)
CA (1) CA1044828A (ja)
DE (1) DE2527593C2 (ja)
DK (1) DK292975A (ja)
FR (1) FR2276744A1 (ja)
GB (1) GB1497740A (ja)
IE (1) IE41390B1 (ja)
IT (1) IT1044609B (ja)
LU (1) LU72717A1 (ja)
NL (1) NL183621C (ja)
PL (1) PL94890B1 (ja)
SE (1) SE408987B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440661A2 (fr) * 1974-06-28 1980-05-30 Cit Alcatel Procede et dispositif de telesurveillance et telelocalisation de repeteurs-regenerateurs d'impulsions
US4301538A (en) * 1978-11-02 1981-11-17 Compagnie Industrielle Des Telecommunications Cit-Alcatel Remote surveillance and fault location unit for pulse regenerator repeaters
AU525766B2 (en) * 1978-11-15 1982-12-02 Australian Telecommunications Commission Noise assessment of pcm regenerator
FR2454728A1 (fr) * 1979-04-19 1980-11-14 Telecommunications Sa Procede et dispositif de telesurveillance de liaisons numeriques ou analogique de telecommunications
DE2949639C2 (de) * 1979-12-10 1985-10-10 Siemens AG, 1000 Berlin und 8000 München Überwachung von Übertragungsstrecken für digitale Signale mit höherer Übertragungsgeschwindigkeit
ATE7752T1 (de) * 1980-07-22 1984-06-15 Siemens Aktiengesellschaft Ueberwachungseinrichtung fuer einen pcm-regenerator mit coderegel-verletzungspruefer.
EP0044556B1 (de) * 1980-07-22 1984-11-14 Siemens Aktiengesellschaft Verfahren zur Überwachung von Zwischenregeneratoren
DE3027720A1 (de) * 1980-07-22 1982-02-11 Siemens AG, 1000 Berlin und 8000 München Verfahren zur ueberwachung von zwischenregeneratoren
DE3163492D1 (en) * 1980-07-22 1984-06-14 Siemens Ag Regenerator with tester for violation of the coding rule
JPS608667B2 (ja) * 1980-10-09 1985-03-05 株式会社明電舎 ル−プ式デ−タハイウエイシステム
DE3044401C2 (de) * 1980-11-26 1986-11-20 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur Überwachung und Fehlerortung von PCM-Übertragungssystemen
FR2537367B1 (fr) * 1982-12-06 1986-01-24 Cit Alcatel Procede et dispositif de telesurveillance sans interruption de trafic des equipements d'une liaison de transmission numerique
DE3245845A1 (de) * 1982-12-10 1984-06-14 Siemens AG, 1000 Berlin und 8000 München Cmi-decoder
ATE23086T1 (de) * 1983-03-15 1986-11-15 Bbc Brown Boveri & Cie Verfahren und vorrichtung zur ueberwachung von zwischenverstaerkern.
US4653070A (en) * 1985-09-11 1987-03-24 Nec Corporation Channel monitoring circuit for use in a repeater station over radio digital transmission
US4756005A (en) * 1986-05-27 1988-07-05 American Telephone And Telegraph Company At&T Bell Laboratories Digital signal regenerator arranged for fault location
JPH0650876B2 (ja) * 1987-03-27 1994-06-29 日本電気株式会社 中間中継装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1291781B (de) * 1965-12-22 1969-04-03 Siemens Ag UEberwachungseinrichtung fuer ein UEbertragungssystem mit Pulsmodulation
US3873775A (en) * 1973-01-25 1975-03-25 Int Standard Electric Corp Method and an arrangement to indicate deterioration of PCM transmission quality

Also Published As

Publication number Publication date
SE7507401L (sv) 1975-12-29
FR2276744B1 (ja) 1977-01-21
BR7504068A (pt) 1976-06-29
IE41390L (en) 1975-12-28
DK292975A (da) 1975-12-29
PL94890B1 (ja) 1977-09-30
JPS5821866B2 (ja) 1983-05-04
FR2276744A1 (fr) 1976-01-23
US3987395A (en) 1976-10-19
CA1044828A (fr) 1978-12-19
JPS5119431A (ja) 1976-02-16
NL183621B (nl) 1988-07-01
NL183621C (nl) 1988-12-01
DE2527593C2 (de) 1987-01-08
SE408987B (sv) 1979-07-16
DE2527593A1 (de) 1976-01-15
IE41390B1 (en) 1979-12-19
IT1044609B (it) 1980-04-21
NL7507773A (nl) 1975-12-30
LU72717A1 (ja) 1976-04-13
GB1497740A (en) 1978-01-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT

Effective date: 19910630