BE775050A - Systeme de transmission comportant des repeteurs et des filtresle long d'un trajet de transmission - Google Patents

Systeme de transmission comportant des repeteurs et des filtresle long d'un trajet de transmission

Info

Publication number
BE775050A
BE775050A BE775050A BE775050A BE775050A BE 775050 A BE775050 A BE 775050A BE 775050 A BE775050 A BE 775050A BE 775050 A BE775050 A BE 775050A BE 775050 A BE775050 A BE 775050A
Authority
BE
Belgium
Prior art keywords
system including
transmission
filters along
transmission system
transmission path
Prior art date
Application number
BE775050A
Other languages
English (en)
French (fr)
Inventor
T L Maione
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE775050A publication Critical patent/BE775050A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters

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)
BE775050A 1970-11-10 1971-11-08 Systeme de transmission comportant des repeteurs et des filtresle long d'un trajet de transmission BE775050A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8829770A 1970-11-10 1970-11-10

Publications (1)

Publication Number Publication Date
BE775050A true BE775050A (fr) 1972-03-01

Family

ID=22210555

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775050A BE775050A (fr) 1970-11-10 1971-11-08 Systeme de transmission comportant des repeteurs et des filtresle long d'un trajet de transmission

Country Status (7)

Country Link
US (1) US3651284A (OSRAM)
JP (1) JPS5124325B1 (OSRAM)
BE (1) BE775050A (OSRAM)
DE (1) DE2155610B2 (OSRAM)
FR (1) FR2113880B1 (OSRAM)
GB (1) GB1358910A (OSRAM)
SE (1) SE369462B (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369062A (en) * 1971-01-29 1974-10-02 Sits Soc It Telecom Siemens Fault location system for use in the location of faults in both a pcm link between two terminal stations
US3864528A (en) * 1973-08-22 1975-02-04 Bell Northern Research Ltd Fault locating system for a digital transmission system
US3909563A (en) * 1973-11-06 1975-09-30 Wescom Procedure and apparatus for locating faults in digital repeatered lines
DE2436373C3 (de) * 1974-07-27 1983-02-24 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Fehlerortungsverfahren für Vierdraht-Trägerfrequenzsysteme
US3917916A (en) * 1974-08-29 1975-11-04 Wescom Method and means for interrogation of digital repeatered lines
JPH0632517B2 (ja) * 1985-07-19 1994-04-27 ホーチキ株式会社 異常監視装置
US5323145A (en) * 1992-03-02 1994-06-21 Alcatel Network Systems, Inc. Alarm collection architecture with redundant bus
KR0143113B1 (ko) * 1995-08-18 1998-08-01 김광호 중계 전송로에서 급전 불 평형 감지회로

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2315434A (en) * 1940-07-03 1943-03-30 Bell Telephone Labor Inc Transmission system

Also Published As

Publication number Publication date
DE2155610B2 (de) 1973-10-25
SE369462B (OSRAM) 1974-08-26
FR2113880B1 (OSRAM) 1976-12-03
FR2113880A1 (OSRAM) 1972-06-30
US3651284A (en) 1972-03-21
JPS5124325B1 (OSRAM) 1976-07-23
DE2155610A1 (de) 1972-05-18
GB1358910A (en) 1974-07-03

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