NL183621C - Digitaal telecommunicatie-transmissiestelsel. - Google Patents

Digitaal telecommunicatie-transmissiestelsel.

Info

Publication number
NL183621C
NL183621C NLAANVRAGE7507773,A NL7507773A NL183621C NL 183621 C NL183621 C NL 183621C NL 7507773 A NL7507773 A NL 7507773A NL 183621 C NL183621 C NL 183621C
Authority
NL
Netherlands
Prior art keywords
transmission system
digital telecommunications
telecommunications transmission
digital
transmission
Prior art date
Application number
NLAANVRAGE7507773,A
Other languages
English (en)
Other versions
NL183621B (nl
NL7507773A (nl
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 NL7507773A publication Critical patent/NL7507773A/nl
Publication of NL183621B publication Critical patent/NL183621B/nl
Application granted granted Critical
Publication of NL183621C publication Critical patent/NL183621C/nl

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)
NLAANVRAGE7507773,A 1974-06-28 1975-06-30 Digitaal telecommunicatie-transmissiestelsel. NL183621C (nl)

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 (3)

Publication Number Publication Date
NL7507773A NL7507773A (nl) 1975-12-30
NL183621B NL183621B (nl) 1988-07-01
NL183621C true NL183621C (nl) 1988-12-01

Family

ID=9140703

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7507773,A NL183621C (nl) 1974-06-28 1975-06-30 Digitaal telecommunicatie-transmissiestelsel.

Country Status (15)

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

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
DE3167188D1 (en) * 1980-07-22 1984-12-20 Siemens Ag Method of monitoring repeating regenerators
EP0044554B1 (de) * 1980-07-22 1984-05-30 Siemens Aktiengesellschaft Überwachungseinrichtung für einen PCM-Regenerator mit Coderegel-Verletzungsprüfer
DE3027720A1 (de) * 1980-07-22 1982-02-11 Siemens AG, 1000 Berlin und 8000 München Verfahren zur ueberwachung von zwischenregeneratoren
ATE7441T1 (de) * 1980-07-22 1984-05-15 Siemens Aktiengesellschaft Regenerator mit coderegel-verletzungspruefer.
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
EP0121666B1 (de) * 1983-03-15 1986-10-22 BBC Aktiengesellschaft Brown, Boveri & Cie. Verfahren und Vorrichtung zur Ueberwachung von Zwischenverstärkern
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
US3987395A (en) 1976-10-19
IT1044609B (it) 1980-04-21
BE829996A (nl) 1975-12-09
BR7504068A (pt) 1976-06-29
FR2276744A1 (fr) 1976-01-23
DE2527593A1 (de) 1976-01-15
NL183621B (nl) 1988-07-01
FR2276744B1 (nl) 1977-01-21
JPS5821866B2 (ja) 1983-05-04
DE2527593C2 (de) 1987-01-08
SE7507401L (sv) 1975-12-29
PL94890B1 (nl) 1977-09-30
CA1044828A (fr) 1978-12-19
GB1497740A (en) 1978-01-12
SE408987B (sv) 1979-07-16
LU72717A1 (nl) 1976-04-13
IE41390L (en) 1975-12-28
DK292975A (da) 1975-12-29
IE41390B1 (en) 1979-12-19
JPS5119431A (nl) 1976-02-16
NL7507773A (nl) 1975-12-30

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee