ES461988A1 - Un sistema para controlar el funcionamiento estable de repe-tidores. - Google Patents

Un sistema para controlar el funcionamiento estable de repe-tidores.

Info

Publication number
ES461988A1
ES461988A1 ES461988A ES461988A ES461988A1 ES 461988 A1 ES461988 A1 ES 461988A1 ES 461988 A ES461988 A ES 461988A ES 461988 A ES461988 A ES 461988A ES 461988 A1 ES461988 A1 ES 461988A1
Authority
ES
Spain
Prior art keywords
repeaters
translation
machine
control
legally binding
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
ES461988A
Other languages
English (en)
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 ES461988A1 publication Critical patent/ES461988A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/40Monitoring; Testing of relay systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Radio Relay Systems (AREA)
  • Amplifiers (AREA)
ES461988A 1976-08-31 1977-08-31 Un sistema para controlar el funcionamiento estable de repe-tidores. Expired ES461988A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762639136 DE2639136C2 (de) 1976-08-31 1976-08-31 System zum Überwachen der stabilen Arbeitsweise von Verstärkern

Publications (1)

Publication Number Publication Date
ES461988A1 true ES461988A1 (es) 1978-05-16

Family

ID=5986773

Family Applications (1)

Application Number Title Priority Date Filing Date
ES461988A Expired ES461988A1 (es) 1976-08-31 1977-08-31 Un sistema para controlar el funcionamiento estable de repe-tidores.

Country Status (10)

Country Link
AR (1) AR213321A1 (de)
AT (1) AT357610B (de)
BE (1) BE858257R (de)
BR (1) BR7704403A (de)
CH (1) CH619574A5 (de)
DE (1) DE2639136C2 (de)
DK (1) DK378377A (de)
ES (1) ES461988A1 (de)
FR (1) FR2363953A1 (de)
IT (1) IT1085679B (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690213A (en) * 1926-12-30 1928-11-06 Western Electric Co Automatic system for testing repeaters
GB1464085A (en) * 1974-04-22 1977-02-09 Int Standard Electric Corp Compensating circuit for electronic switches
DE2419357C3 (de) * 1974-04-22 1982-02-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur Entdämpfung von elektronischen Schaltern, insbesondere von Halbleiterkoppelelementen einer Fernsprechvermittlungsstelle

Also Published As

Publication number Publication date
BE858257R (fr) 1978-02-28
FR2363953A1 (fr) 1978-03-31
ATA612377A (de) 1979-12-15
BR7704403A (pt) 1978-05-16
AT357610B (de) 1980-07-25
AR213321A1 (es) 1979-01-15
DE2639136A1 (de) 1978-03-09
DK378377A (da) 1978-03-01
CH619574A5 (en) 1980-09-30
DE2639136C2 (de) 1986-01-30
IT1085679B (it) 1985-05-28

Similar Documents

Publication Publication Date Title
ES374096A1 (es) Mejoras en las redes de traslacion de senales.
SE8304113L (sv) Testbar optiskt isolerad styrkrets
GB845504A (en) A new or improved method of and apparatus for detection and location of discontinuities in electric cables
SE8005459L (sv) Stromkrets for signaltekniskt seker relestyrning
US3344348A (en) Apparatus to monitor splice impedance and connection polarities including means to provide continuous signal transmission during cable transfer operations
GB1223053A (en) Improvements in or relating to balanced to unbalanced coupling circuits
US3424874A (en) Wire identifier
GB787824A (en) Improvements in or relating to circuits including electric signal transmission linesin communication systems
US2500141A (en) Intercommunication system
GB1300436A (en) Electronic component tester
JPS6324682Y2 (de)
GB786079A (en) Improvements in or relating to monitoring devices used in carrier-wave telephone systems
GB792420A (en) Improvements in modulating circuits for carrier frequency signal transmission systems
JPS5347221A (en) Gain monitoring system for relay amplifier
GB971308A (en) Improvements in or relating to a differential amplifier
JPS6121683Y2 (de)
SU907864A1 (ru) Устройство проверки коммутационного пол
SU397893A1 (ru) УСТРОЙСТВО дл ОПРЕДЕЛЕНИЯ ФУНКЦИЙ
NO146077C (no) Koblingsanordning til aa fastslaa og lokalisere feil i et overfoeringssystem for pulskode-modulerte signaler
JPS56117435A (en) Intermediate frequency injection synchronous amplifier
GB732798A (en) Improvements in or relating to telecommunication systems and apparatus
JPS53138261A (en) Integrated circuit device
GB928331A (en) Frequency-(or phase)-modulation diversity reception systems
NO147931C (no) Apparat til overvaakning av et inngangssignal.
GB1490713A (en) Pulse code modulation data transmission systems