GB1270737A - Repeater monitoring device - Google Patents

Repeater monitoring device

Info

Publication number
GB1270737A
GB1270737A GB3801470A GB3801470A GB1270737A GB 1270737 A GB1270737 A GB 1270737A GB 3801470 A GB3801470 A GB 3801470A GB 3801470 A GB3801470 A GB 3801470A GB 1270737 A GB1270737 A GB 1270737A
Authority
GB
United Kingdom
Prior art keywords
repeater
contacts
relay
unit
loop
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
GB3801470A
Other languages
English (en)
Inventor
Patrice Desombre
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
CIT Compagnie Industrielle des Telecommunications SA
Nokia Inc
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 Compagnie Industrielle des Telecommunications SA, Nokia Inc filed Critical CIT Compagnie Industrielle des Telecommunications SA
Priority to GB3801470A priority Critical patent/GB1270737A/en
Priority to NL7011616A priority patent/NL7011616A/xx
Priority to DE19702039914 priority patent/DE2039914A1/de
Publication of GB1270737A publication Critical patent/GB1270737A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Interface Circuits In Exchanges (AREA)
GB3801470A 1970-08-06 1970-08-06 Repeater monitoring device Expired GB1270737A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3801470A GB1270737A (en) 1970-08-06 1970-08-06 Repeater monitoring device
NL7011616A NL7011616A (enrdf_load_stackoverflow) 1970-08-06 1970-08-06
DE19702039914 DE2039914A1 (de) 1970-08-06 1970-08-11 Vorrichtung zur Pruefung eines Verstaerkers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3801470A GB1270737A (en) 1970-08-06 1970-08-06 Repeater monitoring device

Publications (1)

Publication Number Publication Date
GB1270737A true GB1270737A (en) 1972-04-12

Family

ID=10400595

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3801470A Expired GB1270737A (en) 1970-08-06 1970-08-06 Repeater monitoring device

Country Status (3)

Country Link
DE (1) DE2039914A1 (enrdf_load_stackoverflow)
GB (1) GB1270737A (enrdf_load_stackoverflow)
NL (1) NL7011616A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959606A (en) * 1973-10-04 1976-05-25 Compagnie Industrielle Des Telecommunications Cit-Alcatel Installation for checking a repeater of a transmission route

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959606A (en) * 1973-10-04 1976-05-25 Compagnie Industrielle Des Telecommunications Cit-Alcatel Installation for checking a repeater of a transmission route

Also Published As

Publication number Publication date
DE2039914A1 (de) 1972-02-17
NL7011616A (enrdf_load_stackoverflow) 1972-02-08

Similar Documents

Publication Publication Date Title
GB1190804A (en) Improvements in or relating to Carrier Signal Transmission Systems
GB1270737A (en) Repeater monitoring device
GB1358910A (en) Transmission systems and methods of festing the same
GB1120455A (en) Remote-controlled alarm networks
GB1472505A (en) Remote sensing and/or control system
JPS5310912A (en) Two-way multiplex transmission control system
GB398812A (en) Improvements in or relating to telephone systems or the like
JPS5690655A (en) Wire transmission system
US3761635A (en) Trunk circuit identification
GB719121A (en) Improvements in road traffic signalling installations
GB1027726A (en) Improvements relating to conveyors
US3467784A (en) Automatic lockout party line telephone system
GB1329955A (en) Subscriver terminal-multiplex telecommunications systems
GB898917A (en) Improvements in or relating to electrical signalling systems
GB1065902A (en) Improvements to selection systems for circuits or electrical equipments
ES431772A1 (es) Un metodo de senalizacion para sistemas de intercomunica- cion telefonica en serie.
GB1344178A (en) Elecommunications exchange systems
JPS5379407A (en) Terminal equipment for serites type interface
GB1073662A (en) Control circuit for a tele-control system
GB1350111A (en) Telecommunications exchange systems
GB1139981A (en) A circuit for sequentially operating a series of devices connected to the circuit
JPS55127791A (en) Main wire outgoing and incoming trunk
FR2279286A1 (fr) Procede et dispositif de maintenance d'un reseau de connexion spatial
JPS52117005A (en) Signal sending/receiving
GB350814A (en) Improvements in or relating to annunciators