FR2275939A1 - Systeme de localisation de repeteurs - Google Patents

Systeme de localisation de repeteurs

Info

Publication number
FR2275939A1
FR2275939A1 FR7421694A FR7421694A FR2275939A1 FR 2275939 A1 FR2275939 A1 FR 2275939A1 FR 7421694 A FR7421694 A FR 7421694A FR 7421694 A FR7421694 A FR 7421694A FR 2275939 A1 FR2275939 A1 FR 2275939A1
Authority
FR
France
Prior art keywords
looping
repeater
relay
orders
supply line
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.)
Granted
Application number
FR7421694A
Other languages
English (en)
French (fr)
Other versions
FR2275939B1 (enExample
Inventor
Francois Boullier
Maurice Le Dor
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR7421694A priority Critical patent/FR2275939A1/fr
Publication of FR2275939A1 publication Critical patent/FR2275939A1/fr
Application granted granted Critical
Publication of FR2275939B1 publication Critical patent/FR2275939B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/40Monitoring; Testing of relay systems
    • H04B17/407Monitoring; Testing of relay systems without selective localization
    • H04B17/408Monitoring; Testing of relay systems without selective localization using successive loop-backs

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
FR7421694A 1974-06-21 1974-06-21 Systeme de localisation de repeteurs Granted FR2275939A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7421694A FR2275939A1 (fr) 1974-06-21 1974-06-21 Systeme de localisation de repeteurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7421694A FR2275939A1 (fr) 1974-06-21 1974-06-21 Systeme de localisation de repeteurs

Publications (2)

Publication Number Publication Date
FR2275939A1 true FR2275939A1 (fr) 1976-01-16
FR2275939B1 FR2275939B1 (enExample) 1978-03-31

Family

ID=9140385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421694A Granted FR2275939A1 (fr) 1974-06-21 1974-06-21 Systeme de localisation de repeteurs

Country Status (1)

Country Link
FR (1) FR2275939A1 (enExample)

Also Published As

Publication number Publication date
FR2275939B1 (enExample) 1978-03-31

Similar Documents

Publication Publication Date Title
SE7409189L (enExample)
US2296384A (en) Relay system monitor
FR2275939A1 (fr) Systeme de localisation de repeteurs
ES429478A1 (es) Perfeccionamientos en los sistemas para transmitir senales.
JPS52129218A (en) Fault test system of tdma terminal station
JPS5742248A (en) Switching device for communication system
JPS522133A (en) Connecting test control system in data communication system
JPS5466009A (en) Detection system for circuit fault of two-wire communication device
FI61770C (fi) Anordning foer informationsoeverfoering speciellt larmoeverfoering
US2249747A (en) Regulating system
JPS56161742A (en) Automatic detection method for faulty part in loop transmitting system
JPS5758439A (en) Data transmission device
JPS51127602A (en) Data communicating system
JPS52133541A (en) Indoor load controller utilizing interior power line
JPS5449707A (en) Automatic train control device
JPS5441002A (en) Data signal control system
FR2312898A1 (fr) Installation de reproduction de document
IT1138606B (it) Sistema per telelocalizzare ripetitori rigenerativi
JPS5379407A (en) Terminal equipment for serites type interface
JPS54157010A (en) Subscriber congestion detection unit
JPS5333010A (en) Trouble point detecting system of communication transmission line
JPS5654144A (en) Branch device for data communication
JPS622753B2 (enExample)
JPS5689151A (en) Loop transmission system
JPS533014A (en) Disturbance signal restraining system for radio receiver

Legal Events

Date Code Title Description
ST Notification of lapse