ES413869A1 - A system of supervision for system of transmission of electric signals. (Machine-translation by Google Translate, not legally binding) - Google Patents

A system of supervision for system of transmission of electric signals. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES413869A1
ES413869A1 ES413869A ES413869A ES413869A1 ES 413869 A1 ES413869 A1 ES 413869A1 ES 413869 A ES413869 A ES 413869A ES 413869 A ES413869 A ES 413869A ES 413869 A1 ES413869 A1 ES 413869A1
Authority
ES
Spain
Prior art keywords
supervision
repeaters
signals
translation
machine
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
Application number
ES413869A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES413869A1 publication Critical patent/ES413869A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

A monitoring system in or for an electrical information signal transmission system having signal repeaters inserted along the transmission path. The monitoring system comprises a supervising transmitting station, a receiving station and various supervisory repeaters. The monitoring station is arranged to transmit along the path, in one direction, interrogation signals outside the frequency band of the electrical signal. The supervision repeaters are associated with their respective electrical signal repeaters and arranged to repeat the band signals of the interrogation frequency and transmit, in the opposite direction, the supervision signals in the interrogation and/or electrical signal bands produced in response to the question marks. The supervision signals are representative of the value of one or more parameters of the associated repeater. (Machine-translation by Google Translate, not legally binding)
ES413869A 1972-04-20 1973-04-18 A system of supervision for system of transmission of electric signals. (Machine-translation by Google Translate, not legally binding) Expired ES413869A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1840372 1972-04-20

Publications (1)

Publication Number Publication Date
ES413869A1 true ES413869A1 (en) 1976-01-16

Family

ID=10111862

Family Applications (1)

Application Number Title Priority Date Filing Date
ES413869A Expired ES413869A1 (en) 1972-04-20 1973-04-18 A system of supervision for system of transmission of electric signals. (Machine-translation by Google Translate, not legally binding)

Country Status (2)

Country Link
BE (1) BE798497A (en)
ES (1) ES413869A1 (en)

Also Published As

Publication number Publication date
BE798497A (en) 1973-10-22

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