BE697853A - - Google Patents

Info

Publication number
BE697853A
BE697853A BE697853A BE697853A BE697853A BE 697853 A BE697853 A BE 697853A BE 697853 A BE697853 A BE 697853A BE 697853 A BE697853 A BE 697853A BE 697853 A BE697853 A BE 697853A
Authority
BE
Belgium
Application number
BE697853A
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
Priority claimed from NL6605881A external-priority patent/NL6605881A/xx
Application filed filed Critical
Publication of BE697853A publication Critical patent/BE697853A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/40Monitoring; Testing of relay systems
    • H04B17/401Monitoring; Testing of relay systems with selective localization
    • H04B17/402Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404Monitoring; 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)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
BE697853A 1966-04-30 1967-04-28 BE697853A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6605881A NL6605881A (cs) 1965-11-02 1966-04-30

Publications (1)

Publication Number Publication Date
BE697853A true BE697853A (cs) 1967-10-30

Family

ID=19796458

Family Applications (1)

Application Number Title Priority Date Filing Date
BE697853A BE697853A (cs) 1966-04-30 1967-04-28

Country Status (6)

Country Link
US (1) US3500202A (cs)
AT (1) AT278101B (cs)
BE (1) BE697853A (cs)
DE (1) DE1512357A1 (cs)
DK (1) DK118675B (cs)
SE (1) SE359995B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721958A (en) * 1971-04-30 1973-03-20 Gen Electric Testing arrangement for a data communication system
JPS51107707A (en) * 1975-03-18 1976-09-24 Nippon Electric Co Pcm chukeishogaitansakuhoshiki oyobi fugohatsuseisochi
US5636203A (en) * 1995-06-07 1997-06-03 Mci Corporation Method and system for identifying fault locations in a communications network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699496A (en) * 1952-04-03 1955-01-11 Motorola Inc Microwave relay test system
US3202976A (en) * 1959-12-03 1965-08-24 Scully Signal Co Supervisory system with failure discrimination

Also Published As

Publication number Publication date
DK118675B (da) 1970-09-21
DE1512357A1 (de) 1969-08-14
SE359995B (cs) 1973-09-10
US3500202A (en) 1970-03-10
DK118675C (cs) 1975-06-16
AT278101B (de) 1970-01-26

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